id	sid	tid	token	lemma	pos
cord-252871-qfrpuy3t	1	1	key	key	JJ
cord-252871-qfrpuy3t	2	1	:	:	:
cord-252871-qfrpuy3t	2	2	cord-252871-qfrpuy3	cord-252871-qfrpuy3	NNP
cord-252871-qfrpuy3t	2	3	t	t	NNP
cord-252871-qfrpuy3t	2	4	authors	author	NNS
cord-252871-qfrpuy3t	2	5	:	:	:
cord-252871-qfrpuy3t	2	6	Nasir	Nasir	NNP
cord-252871-qfrpuy3t	2	7	,	,	,
cord-252871-qfrpuy3t	2	8	Arshan	Arshan	NNP
cord-252871-qfrpuy3t	2	9	;	;	:
cord-252871-qfrpuy3t	2	10	Romero	Romero	NNP
cord-252871-qfrpuy3t	2	11	-	-	HYPH
cord-252871-qfrpuy3t	2	12	Severson	Severson	NNP
cord-252871-qfrpuy3t	2	13	,	,	,
cord-252871-qfrpuy3t	2	14	Ethan	Ethan	NNP
cord-252871-qfrpuy3t	2	15	;	;	:
cord-252871-qfrpuy3t	2	16	Claverie	Claverie	NNP
cord-252871-qfrpuy3t	2	17	,	,	,
cord-252871-qfrpuy3t	2	18	Jean	Jean	NNP
cord-252871-qfrpuy3t	2	19	-	-	HYPH
cord-252871-qfrpuy3t	2	20	Michel	Michel	NNP
cord-252871-qfrpuy3t	2	21	title	title	NN
cord-252871-qfrpuy3t	2	22	:	:	:
cord-252871-qfrpuy3t	3	1	Investigating	investigate	VBG
cord-252871-qfrpuy3t	3	2	the	the	DT
cord-252871-qfrpuy3t	3	3	Concept	Concept	NNP
cord-252871-qfrpuy3t	3	4	and	and	CC
cord-252871-qfrpuy3t	3	5	Origin	Origin	NNP
cord-252871-qfrpuy3t	3	6	of	of	IN
cord-252871-qfrpuy3t	3	7	Viruses	Viruses	NNPS
cord-252871-qfrpuy3t	3	8	date	date	NN
cord-252871-qfrpuy3t	4	1	:	:	:
cord-252871-qfrpuy3t	4	2	2020	2020	CD
cord-252871-qfrpuy3t	4	3	-	-	HYPH
cord-252871-qfrpuy3t	4	4	11	11	CD
cord-252871-qfrpuy3t	4	5	-	-	HYPH
cord-252871-qfrpuy3t	4	6	03	03	CD
cord-252871-qfrpuy3t	4	7	journal	journal	NN
cord-252871-qfrpuy3t	4	8	:	:	:
cord-252871-qfrpuy3t	5	1	Trends	trend	NNS
cord-252871-qfrpuy3t	6	1	Microbiol	Microbiol	NNP
cord-252871-qfrpuy3t	6	2	DOI	DOI	NNP
cord-252871-qfrpuy3t	6	3	:	:	:
cord-252871-qfrpuy3t	7	1	10.1016	10.1016	CD
cord-252871-qfrpuy3t	7	2	/	/	SYM
cord-252871-qfrpuy3t	7	3	j.tim.2020.08.003	j.tim.2020.08.003	NNP
cord-252871-qfrpuy3t	7	4	sha	sha	NNP
cord-252871-qfrpuy3t	7	5	:	:	:
cord-252871-qfrpuy3t	8	1	a5394c55c49c72b888165697a34864faf87c81c1	a5394c55c49c72b888165697a34864faf87c81c1	NNP
cord-252871-qfrpuy3t	8	2	doc_id	doc_id	NNPS
cord-252871-qfrpuy3t	8	3	:	:	:
cord-252871-qfrpuy3t	8	4	252871	252871	CD
cord-252871-qfrpuy3t	9	1	cord_uid	cord_uid	NN
cord-252871-qfrpuy3t	9	2	:	:	:
cord-252871-qfrpuy3t	10	1	qfrpuy3	qfrpuy3	NNP
cord-252871-qfrpuy3t	10	2	t	t	NNP
cord-252871-qfrpuy3t	11	1	The	the	DT
cord-252871-qfrpuy3t	11	2	ongoing	ongoing	JJ
cord-252871-qfrpuy3t	11	3	COVID-19	covid-19	JJ
cord-252871-qfrpuy3t	11	4	pandemic	pandemic	NN
cord-252871-qfrpuy3t	11	5	has	have	VBZ
cord-252871-qfrpuy3t	11	6	piqued	pique	VBN
cord-252871-qfrpuy3t	11	7	public	public	JJ
cord-252871-qfrpuy3t	11	8	interest	interest	NN
cord-252871-qfrpuy3t	11	9	in	in	IN
cord-252871-qfrpuy3t	11	10	the	the	DT
cord-252871-qfrpuy3t	11	11	properties	property	NNS
cord-252871-qfrpuy3t	11	12	,	,	,
cord-252871-qfrpuy3t	11	13	evolution	evolution	NN
cord-252871-qfrpuy3t	11	14	,	,	,
cord-252871-qfrpuy3t	11	15	and	and	CC
cord-252871-qfrpuy3t	11	16	emergence	emergence	NN
cord-252871-qfrpuy3t	11	17	of	of	IN
cord-252871-qfrpuy3t	11	18	viruses	virus	NNS
cord-252871-qfrpuy3t	11	19	.	.	.
cord-252871-qfrpuy3t	12	1	Here	here	RB
cord-252871-qfrpuy3t	12	2	,	,	,
cord-252871-qfrpuy3t	12	3	we	-PRON-	PRP
cord-252871-qfrpuy3t	12	4	discuss	discuss	VBP
cord-252871-qfrpuy3t	12	5	how	how	WRB
cord-252871-qfrpuy3t	12	6	these	these	DT
cord-252871-qfrpuy3t	12	7	basic	basic	JJ
cord-252871-qfrpuy3t	12	8	questions	question	NNS
cord-252871-qfrpuy3t	12	9	have	have	VBP
cord-252871-qfrpuy3t	12	10	surprisingly	surprisingly	RB
cord-252871-qfrpuy3t	12	11	remained	remain	VBN
cord-252871-qfrpuy3t	12	12	disputed	dispute	VBN
cord-252871-qfrpuy3t	12	13	despite	despite	IN
cord-252871-qfrpuy3t	12	14	being	be	VBG
cord-252871-qfrpuy3t	12	15	increasingly	increasingly	RB
cord-252871-qfrpuy3t	12	16	within	within	IN
cord-252871-qfrpuy3t	12	17	the	the	DT
cord-252871-qfrpuy3t	12	18	reach	reach	NN
cord-252871-qfrpuy3t	12	19	of	of	IN
cord-252871-qfrpuy3t	12	20	scientific	scientific	JJ
cord-252871-qfrpuy3t	12	21	analysis	analysis	NN
cord-252871-qfrpuy3t	12	22	.	.	.
cord-252871-qfrpuy3t	13	1	We	-PRON-	PRP
cord-252871-qfrpuy3t	13	2	review	review	VBP
cord-252871-qfrpuy3t	13	3	recent	recent	JJ
cord-252871-qfrpuy3t	13	4	data	datum	NNS
cord-252871-qfrpuy3t	13	5	-	-	HYPH
cord-252871-qfrpuy3t	13	6	driven	drive	VBN
cord-252871-qfrpuy3t	13	7	efforts	effort	NNS
cord-252871-qfrpuy3t	13	8	that	that	WDT
cord-252871-qfrpuy3t	13	9	shed	shed	VBD
cord-252871-qfrpuy3t	13	10	light	light	NN
cord-252871-qfrpuy3t	13	11	into	into	IN
cord-252871-qfrpuy3t	13	12	the	the	DT
cord-252871-qfrpuy3t	13	13	origin	origin	NN
cord-252871-qfrpuy3t	13	14	and	and	CC
cord-252871-qfrpuy3t	13	15	evolution	evolution	NN
cord-252871-qfrpuy3t	13	16	of	of	IN
cord-252871-qfrpuy3t	13	17	viruses	virus	NNS
cord-252871-qfrpuy3t	13	18	and	and	CC
cord-252871-qfrpuy3t	13	19	explain	explain	VB
cord-252871-qfrpuy3t	13	20	factors	factor	NNS
cord-252871-qfrpuy3t	13	21	that	that	WDT
cord-252871-qfrpuy3t	13	22	resist	resist	VBP
cord-252871-qfrpuy3t	13	23	the	the	DT
cord-252871-qfrpuy3t	13	24	widespread	widespread	JJ
cord-252871-qfrpuy3t	13	25	acceptance	acceptance	NN
cord-252871-qfrpuy3t	13	26	of	of	IN
cord-252871-qfrpuy3t	13	27	new	new	JJ
cord-252871-qfrpuy3t	13	28	views	view	NNS
cord-252871-qfrpuy3t	13	29	and	and	CC
cord-252871-qfrpuy3t	13	30	insights	insight	NNS
cord-252871-qfrpuy3t	13	31	.	.	.
cord-252871-qfrpuy3t	14	1	We	-PRON-	PRP
cord-252871-qfrpuy3t	14	2	propose	propose	VBP
cord-252871-qfrpuy3t	14	3	a	a	DT
cord-252871-qfrpuy3t	14	4	new	new	JJ
cord-252871-qfrpuy3t	14	5	definition	definition	NN
cord-252871-qfrpuy3t	14	6	of	of	IN
cord-252871-qfrpuy3t	14	7	viruses	virus	NNS
cord-252871-qfrpuy3t	14	8	that	that	WDT
cord-252871-qfrpuy3t	14	9	is	be	VBZ
cord-252871-qfrpuy3t	14	10	not	not	RB
cord-252871-qfrpuy3t	14	11	restricted	restrict	VBN
cord-252871-qfrpuy3t	14	12	to	to	IN
cord-252871-qfrpuy3t	14	13	the	the	DT
cord-252871-qfrpuy3t	14	14	presence	presence	NN
cord-252871-qfrpuy3t	14	15	or	or	CC
cord-252871-qfrpuy3t	14	16	absence	absence	NN
cord-252871-qfrpuy3t	14	17	of	of	IN
cord-252871-qfrpuy3t	14	18	any	any	DT
cord-252871-qfrpuy3t	14	19	genetic	genetic	JJ
cord-252871-qfrpuy3t	14	20	or	or	CC
cord-252871-qfrpuy3t	14	21	physical	physical	JJ
cord-252871-qfrpuy3t	14	22	feature	feature	NN
cord-252871-qfrpuy3t	14	23	,	,	,
cord-252871-qfrpuy3t	14	24	detail	detail	VBP
cord-252871-qfrpuy3t	14	25	a	a	DT
cord-252871-qfrpuy3t	14	26	scenario	scenario	NN
cord-252871-qfrpuy3t	14	27	for	for	IN
cord-252871-qfrpuy3t	14	28	how	how	WRB
cord-252871-qfrpuy3t	14	29	viruses	virus	NNS
cord-252871-qfrpuy3t	14	30	likely	likely	RB
cord-252871-qfrpuy3t	14	31	originated	originate	VBD
cord-252871-qfrpuy3t	14	32	from	from	IN
cord-252871-qfrpuy3t	14	33	ancient	ancient	JJ
cord-252871-qfrpuy3t	14	34	cells	cell	NNS
cord-252871-qfrpuy3t	14	35	,	,	,
cord-252871-qfrpuy3t	14	36	and	and	CC
cord-252871-qfrpuy3t	14	37	explain	explain	VB
cord-252871-qfrpuy3t	14	38	technical	technical	JJ
cord-252871-qfrpuy3t	14	39	and	and	CC
cord-252871-qfrpuy3t	14	40	conceptual	conceptual	JJ
cord-252871-qfrpuy3t	14	41	biases	bias	NNS
cord-252871-qfrpuy3t	14	42	that	that	WDT
cord-252871-qfrpuy3t	14	43	limit	limit	VBP
cord-252871-qfrpuy3t	14	44	our	-PRON-	PRP$
cord-252871-qfrpuy3t	14	45	understanding	understanding	NN
cord-252871-qfrpuy3t	14	46	of	of	IN
cord-252871-qfrpuy3t	14	47	virus	virus	NN
cord-252871-qfrpuy3t	14	48	evolution	evolution	NN
cord-252871-qfrpuy3t	14	49	.	.	.
cord-252871-qfrpuy3t	15	1	We	-PRON-	PRP
cord-252871-qfrpuy3t	15	2	note	note	VBP
cord-252871-qfrpuy3t	15	3	that	that	IN
cord-252871-qfrpuy3t	15	4	the	the	DT
cord-252871-qfrpuy3t	15	5	philosophical	philosophical	JJ
cord-252871-qfrpuy3t	15	6	aspects	aspect	NNS
cord-252871-qfrpuy3t	15	7	of	of	IN
cord-252871-qfrpuy3t	15	8	virus	virus	NN
cord-252871-qfrpuy3t	15	9	evolution	evolution	NN
cord-252871-qfrpuy3t	15	10	also	also	RB
cord-252871-qfrpuy3t	15	11	impact	impact	VBP
cord-252871-qfrpuy3t	15	12	the	the	DT
cord-252871-qfrpuy3t	15	13	way	way	NN
cord-252871-qfrpuy3t	15	14	we	-PRON-	PRP
cord-252871-qfrpuy3t	15	15	might	may	MD
cord-252871-qfrpuy3t	15	16	prepare	prepare	VB
cord-252871-qfrpuy3t	15	17	for	for	IN
cord-252871-qfrpuy3t	15	18	future	future	JJ
cord-252871-qfrpuy3t	15	19	outbreaks	outbreak	NNS
cord-252871-qfrpuy3t	15	20	.	.	.
cord-252871-qfrpuy3t	16	1	Arshan	Arshan	NNP
cord-252871-qfrpuy3t	16	2	Nasir	Nasir	NNP
cord-252871-qfrpuy3t	16	3	,	,	,
cord-252871-qfrpuy3t	16	4	1	1	CD
cord-252871-qfrpuy3t	16	5	,	,	,
cord-252871-qfrpuy3t	16	6	*	*	NFP
cord-252871-qfrpuy3t	16	7	Ethan	Ethan	NNP
cord-252871-qfrpuy3t	16	8	Romero	Romero	NNP
cord-252871-qfrpuy3t	16	9	-	-	HYPH
cord-252871-qfrpuy3t	16	10	Severson	Severson	NNP
cord-252871-qfrpuy3t	16	11	,	,	,
cord-252871-qfrpuy3t	16	12	1	1	CD
cord-252871-qfrpuy3t	16	13	and	and	CC
cord-252871-qfrpuy3t	16	14	Jean	Jean	NNP
cord-252871-qfrpuy3t	16	15	-	-	HYPH
cord-252871-qfrpuy3t	16	16	Michel	Michel	NNP
cord-252871-qfrpuy3t	16	17	Claverie	Claverie	NNP
cord-252871-qfrpuy3t	16	18	2	2	CD
cord-252871-qfrpuy3t	17	1	The	the	DT
cord-252871-qfrpuy3t	17	2	ongoing	ongoing	JJ
cord-252871-qfrpuy3t	17	3	COVID-19	covid-19	JJ
cord-252871-qfrpuy3t	17	4	pandemic	pandemic	NN
cord-252871-qfrpuy3t	17	5	has	have	VBZ
cord-252871-qfrpuy3t	17	6	piqued	pique	VBN
cord-252871-qfrpuy3t	17	7	public	public	JJ
cord-252871-qfrpuy3t	17	8	interest	interest	NN
cord-252871-qfrpuy3t	17	9	in	in	IN
cord-252871-qfrpuy3t	17	10	the	the	DT
cord-252871-qfrpuy3t	17	11	properties	property	NNS
cord-252871-qfrpuy3t	17	12	,	,	,
cord-252871-qfrpuy3t	17	13	evolution	evolution	NN
cord-252871-qfrpuy3t	17	14	,	,	,
cord-252871-qfrpuy3t	17	15	and	and	CC
cord-252871-qfrpuy3t	17	16	emergence	emergence	NN
cord-252871-qfrpuy3t	17	17	of	of	IN
cord-252871-qfrpuy3t	17	18	viruses	virus	NNS
cord-252871-qfrpuy3t	17	19	.	.	.
cord-252871-qfrpuy3t	18	1	Here	here	RB
cord-252871-qfrpuy3t	18	2	,	,	,
cord-252871-qfrpuy3t	18	3	we	-PRON-	PRP
cord-252871-qfrpuy3t	18	4	discuss	discuss	VBP
cord-252871-qfrpuy3t	18	5	how	how	WRB
cord-252871-qfrpuy3t	18	6	these	these	DT
cord-252871-qfrpuy3t	18	7	basic	basic	JJ
cord-252871-qfrpuy3t	18	8	questions	question	NNS
cord-252871-qfrpuy3t	18	9	have	have	VBP
cord-252871-qfrpuy3t	18	10	surprisingly	surprisingly	RB
cord-252871-qfrpuy3t	18	11	remained	remain	VBN
cord-252871-qfrpuy3t	18	12	disputed	dispute	VBN
cord-252871-qfrpuy3t	18	13	despite	despite	IN
cord-252871-qfrpuy3t	18	14	being	be	VBG
cord-252871-qfrpuy3t	18	15	increasingly	increasingly	RB
cord-252871-qfrpuy3t	18	16	within	within	IN
cord-252871-qfrpuy3t	18	17	the	the	DT
cord-252871-qfrpuy3t	18	18	reach	reach	NN
cord-252871-qfrpuy3t	18	19	of	of	IN
cord-252871-qfrpuy3t	18	20	scientific	scientific	JJ
cord-252871-qfrpuy3t	18	21	analysis	analysis	NN
cord-252871-qfrpuy3t	18	22	.	.	.
cord-252871-qfrpuy3t	19	1	We	-PRON-	PRP
cord-252871-qfrpuy3t	19	2	review	review	VBP
cord-252871-qfrpuy3t	19	3	recent	recent	JJ
cord-252871-qfrpuy3t	19	4	data	datum	NNS
cord-252871-qfrpuy3t	19	5	-	-	HYPH
cord-252871-qfrpuy3t	19	6	driven	drive	VBN
cord-252871-qfrpuy3t	19	7	efforts	effort	NNS
cord-252871-qfrpuy3t	19	8	that	that	WDT
cord-252871-qfrpuy3t	19	9	shed	shed	VBD
cord-252871-qfrpuy3t	19	10	light	light	NN
cord-252871-qfrpuy3t	19	11	into	into	IN
cord-252871-qfrpuy3t	19	12	the	the	DT
cord-252871-qfrpuy3t	19	13	origin	origin	NN
cord-252871-qfrpuy3t	19	14	and	and	CC
cord-252871-qfrpuy3t	19	15	evolution	evolution	NN
cord-252871-qfrpuy3t	19	16	of	of	IN
cord-252871-qfrpuy3t	19	17	viruses	virus	NNS
cord-252871-qfrpuy3t	19	18	and	and	CC
cord-252871-qfrpuy3t	19	19	explain	explain	VB
cord-252871-qfrpuy3t	19	20	factors	factor	NNS
cord-252871-qfrpuy3t	19	21	that	that	WDT
cord-252871-qfrpuy3t	19	22	resist	resist	VBP
cord-252871-qfrpuy3t	19	23	the	the	DT
cord-252871-qfrpuy3t	19	24	widespread	widespread	JJ
cord-252871-qfrpuy3t	19	25	acceptance	acceptance	NN
cord-252871-qfrpuy3t	19	26	of	of	IN
cord-252871-qfrpuy3t	19	27	new	new	JJ
cord-252871-qfrpuy3t	19	28	views	view	NNS
cord-252871-qfrpuy3t	19	29	and	and	CC
cord-252871-qfrpuy3t	19	30	insights	insight	NNS
cord-252871-qfrpuy3t	19	31	.	.	.
cord-252871-qfrpuy3t	20	1	We	-PRON-	PRP
cord-252871-qfrpuy3t	20	2	propose	propose	VBP
cord-252871-qfrpuy3t	20	3	a	a	DT
cord-252871-qfrpuy3t	20	4	new	new	JJ
cord-252871-qfrpuy3t	20	5	definition	definition	NN
cord-252871-qfrpuy3t	20	6	of	of	IN
cord-252871-qfrpuy3t	20	7	viruses	virus	NNS
cord-252871-qfrpuy3t	20	8	that	that	WDT
cord-252871-qfrpuy3t	20	9	is	be	VBZ
cord-252871-qfrpuy3t	20	10	not	not	RB
cord-252871-qfrpuy3t	20	11	restricted	restrict	VBN
cord-252871-qfrpuy3t	20	12	to	to	IN
cord-252871-qfrpuy3t	20	13	the	the	DT
cord-252871-qfrpuy3t	20	14	presence	presence	NN
cord-252871-qfrpuy3t	20	15	or	or	CC
cord-252871-qfrpuy3t	20	16	absence	absence	NN
cord-252871-qfrpuy3t	20	17	of	of	IN
cord-252871-qfrpuy3t	20	18	any	any	DT
cord-252871-qfrpuy3t	20	19	genetic	genetic	JJ
cord-252871-qfrpuy3t	20	20	or	or	CC
cord-252871-qfrpuy3t	20	21	physical	physical	JJ
cord-252871-qfrpuy3t	20	22	feature	feature	NN
cord-252871-qfrpuy3t	20	23	,	,	,
cord-252871-qfrpuy3t	20	24	detail	detail	VBP
cord-252871-qfrpuy3t	20	25	a	a	DT
cord-252871-qfrpuy3t	20	26	scenario	scenario	NN
cord-252871-qfrpuy3t	20	27	for	for	IN
cord-252871-qfrpuy3t	20	28	how	how	WRB
cord-252871-qfrpuy3t	20	29	viruses	virus	NNS
cord-252871-qfrpuy3t	20	30	likely	likely	RB
cord-252871-qfrpuy3t	20	31	originated	originate	VBD
cord-252871-qfrpuy3t	20	32	from	from	IN
cord-252871-qfrpuy3t	20	33	ancient	ancient	JJ
cord-252871-qfrpuy3t	20	34	cells	cell	NNS
cord-252871-qfrpuy3t	20	35	,	,	,
cord-252871-qfrpuy3t	20	36	and	and	CC
cord-252871-qfrpuy3t	20	37	explain	explain	VB
cord-252871-qfrpuy3t	20	38	technical	technical	JJ
cord-252871-qfrpuy3t	20	39	and	and	CC
cord-252871-qfrpuy3t	20	40	conceptual	conceptual	JJ
cord-252871-qfrpuy3t	20	41	biases	bias	NNS
cord-252871-qfrpuy3t	20	42	that	that	WDT
cord-252871-qfrpuy3t	20	43	limit	limit	VBP
cord-252871-qfrpuy3t	20	44	our	-PRON-	PRP$
cord-252871-qfrpuy3t	20	45	understanding	understanding	NN
cord-252871-qfrpuy3t	20	46	of	of	IN
cord-252871-qfrpuy3t	20	47	virus	virus	NN
cord-252871-qfrpuy3t	20	48	evolution	evolution	NN
cord-252871-qfrpuy3t	20	49	.	.	.
cord-252871-qfrpuy3t	21	1	We	-PRON-	PRP
cord-252871-qfrpuy3t	21	2	note	note	VBP
cord-252871-qfrpuy3t	21	3	that	that	IN
cord-252871-qfrpuy3t	21	4	the	the	DT
cord-252871-qfrpuy3t	21	5	philosophical	philosophical	JJ
cord-252871-qfrpuy3t	21	6	aspects	aspect	NNS
cord-252871-qfrpuy3t	21	7	of	of	IN
cord-252871-qfrpuy3t	21	8	virus	virus	NN
cord-252871-qfrpuy3t	21	9	evolution	evolution	NN
cord-252871-qfrpuy3t	21	10	also	also	RB
cord-252871-qfrpuy3t	21	11	impact	impact	VBP
cord-252871-qfrpuy3t	21	12	the	the	DT
cord-252871-qfrpuy3t	21	13	way	way	NN
cord-252871-qfrpuy3t	21	14	we	-PRON-	PRP
cord-252871-qfrpuy3t	21	15	might	may	MD
cord-252871-qfrpuy3t	21	16	prepare	prepare	VB
cord-252871-qfrpuy3t	21	17	for	for	IN
cord-252871-qfrpuy3t	21	18	future	future	JJ
cord-252871-qfrpuy3t	21	19	outbreaks	outbreak	NNS
cord-252871-qfrpuy3t	21	20	.	.	.
cord-252871-qfrpuy3t	22	1	The	the	DT
cord-252871-qfrpuy3t	22	2	COVID-19	COVID-19	NNP
cord-252871-qfrpuy3t	22	3	pandemic	pandemic	NN
cord-252871-qfrpuy3t	22	4	exemplifies	exemplify	VBZ
cord-252871-qfrpuy3t	22	5	the	the	DT
cord-252871-qfrpuy3t	22	6	constant	constant	JJ
cord-252871-qfrpuy3t	22	7	threat	threat	NN
cord-252871-qfrpuy3t	22	8	and	and	CC
cord-252871-qfrpuy3t	22	9	pressure	pressure	NN
cord-252871-qfrpuy3t	22	10	exerted	exert	VBN
cord-252871-qfrpuy3t	22	11	by	by	IN
cord-252871-qfrpuy3t	22	12	viruses	virus	NNS
cord-252871-qfrpuy3t	22	13	on	on	IN
cord-252871-qfrpuy3t	22	14	human	human	JJ
cord-252871-qfrpuy3t	22	15	health	health	NN
cord-252871-qfrpuy3t	22	16	and	and	CC
cord-252871-qfrpuy3t	22	17	the	the	DT
cord-252871-qfrpuy3t	22	18	global	global	JJ
cord-252871-qfrpuy3t	22	19	economy	economy	NN
cord-252871-qfrpuy3t	22	20	.	.	.
cord-252871-qfrpuy3t	23	1	The	the	DT
cord-252871-qfrpuy3t	23	2	pandemic	pandemic	NN
cord-252871-qfrpuy3t	23	3	has	have	VBZ
cord-252871-qfrpuy3t	23	4	triggered	trigger	VBN
cord-252871-qfrpuy3t	23	5	an	an	DT
cord-252871-qfrpuy3t	23	6	aggressive	aggressive	JJ
cord-252871-qfrpuy3t	23	7	international	international	JJ
cord-252871-qfrpuy3t	23	8	response	response	NN
cord-252871-qfrpuy3t	23	9	to	to	TO
cord-252871-qfrpuy3t	23	10	contain	contain	VB
cord-252871-qfrpuy3t	23	11	virus	virus	NN
cord-252871-qfrpuy3t	23	12	spread	spread	VBN
cord-252871-qfrpuy3t	23	13	,	,	,
cord-252871-qfrpuy3t	23	14	cure	cure	VB
cord-252871-qfrpuy3t	23	15	the	the	DT
cord-252871-qfrpuy3t	23	16	disease	disease	NN
cord-252871-qfrpuy3t	23	17	,	,	,
cord-252871-qfrpuy3t	23	18	and	and	CC
cord-252871-qfrpuy3t	23	19	prevent	prevent	VB
cord-252871-qfrpuy3t	23	20	future	future	JJ
cord-252871-qfrpuy3t	23	21	infections	infection	NNS
cord-252871-qfrpuy3t	23	22	.	.	.
cord-252871-qfrpuy3t	24	1	In	in	IN
cord-252871-qfrpuy3t	24	2	parallel	parallel	NN
cord-252871-qfrpuy3t	24	3	,	,	,
cord-252871-qfrpuy3t	24	4	it	-PRON-	PRP
cord-252871-qfrpuy3t	24	5	has	have	VBZ
cord-252871-qfrpuy3t	24	6	rekindled	rekindle	VBN
cord-252871-qfrpuy3t	24	7	public	public	JJ
cord-252871-qfrpuy3t	24	8	curiosity	curiosity	NN
cord-252871-qfrpuy3t	24	9	in	in	IN
cord-252871-qfrpuy3t	24	10	virus	virus	NN
cord-252871-qfrpuy3t	24	11	definitions	definition	NNS
cord-252871-qfrpuy3t	24	12	,	,	,
cord-252871-qfrpuy3t	24	13	origins	origin	NNS
cord-252871-qfrpuy3t	24	14	,	,	,
cord-252871-qfrpuy3t	24	15	evolution	evolution	NN
cord-252871-qfrpuy3t	24	16	,	,	,
cord-252871-qfrpuy3t	24	17	and	and	CC
cord-252871-qfrpuy3t	24	18	their	-PRON-	PRP$
cord-252871-qfrpuy3t	24	19	various	various	JJ
cord-252871-qfrpuy3t	24	20	modes	mode	NNS
cord-252871-qfrpuy3t	24	21	of	of	IN
cord-252871-qfrpuy3t	24	22	emergence	emergence	NN
cord-252871-qfrpuy3t	24	23	.	.	.
cord-252871-qfrpuy3t	25	1	For	for	IN
cord-252871-qfrpuy3t	25	2	example	example	NN
cord-252871-qfrpuy3t	25	3	,	,	,
cord-252871-qfrpuy3t	25	4	Google	Google	NNP
cord-252871-qfrpuy3t	25	5	search	search	NN
cord-252871-qfrpuy3t	25	6	for	for	IN
cord-252871-qfrpuy3t	25	7	'	'	''
cord-252871-qfrpuy3t	25	8	what	what	WP
cord-252871-qfrpuy3t	25	9	is	be	VBZ
cord-252871-qfrpuy3t	25	10	a	a	DT
cord-252871-qfrpuy3t	25	11	virus	virus	NN
cord-252871-qfrpuy3t	25	12	'	'	``
cord-252871-qfrpuy3t	25	13	reached	reach	VBN
cord-252871-qfrpuy3t	25	14	peak	peak	NN
cord-252871-qfrpuy3t	25	15	popularity	popularity	NN
cord-252871-qfrpuy3t	25	16	in	in	IN
cord-252871-qfrpuy3t	25	17	March	March	NNP
cord-252871-qfrpuy3t	25	18	2020	2020	CD
cord-252871-qfrpuy3t	25	19	coinciding	coincide	VBG
cord-252871-qfrpuy3t	25	20	with	with	IN
cord-252871-qfrpuy3t	25	21	the	the	DT
cord-252871-qfrpuy3t	25	22	global	global	JJ
cord-252871-qfrpuy3t	25	23	rise	rise	NN
cord-252871-qfrpuy3t	25	24	in	in	IN
cord-252871-qfrpuy3t	25	25	COVID-19	covid-19	JJ
cord-252871-qfrpuy3t	25	26	cases	case	NNS
cord-252871-qfrpuy3t	25	27	.	.	.
cord-252871-qfrpuy3t	26	1	Surprisingly	surprisingly	RB
cord-252871-qfrpuy3t	26	2	,	,	,
cord-252871-qfrpuy3t	26	3	such	such	JJ
cord-252871-qfrpuy3t	26	4	fundamental	fundamental	JJ
cord-252871-qfrpuy3t	26	5	questions	question	NNS
cord-252871-qfrpuy3t	26	6	have	have	VBP
cord-252871-qfrpuy3t	26	7	remained	remain	VBN
cord-252871-qfrpuy3t	26	8	unsettled	unsettled	JJ
cord-252871-qfrpuy3t	26	9	even	even	RB
cord-252871-qfrpuy3t	26	10	among	among	IN
cord-252871-qfrpuy3t	26	11	evolutionary	evolutionary	JJ
cord-252871-qfrpuy3t	26	12	virologists	virologist	NNS
cord-252871-qfrpuy3t	26	13	[	[	-LRB-
cord-252871-qfrpuy3t	26	14	1	1	CD
cord-252871-qfrpuy3t	26	15	]	]	-RRB-
cord-252871-qfrpuy3t	26	16	[	[	-LRB-
cord-252871-qfrpuy3t	26	17	2	2	CD
cord-252871-qfrpuy3t	26	18	]	]	-RRB-
cord-252871-qfrpuy3t	26	19	[	[	-LRB-
cord-252871-qfrpuy3t	26	20	3	3	CD
cord-252871-qfrpuy3t	26	21	]	]	-RRB-
cord-252871-qfrpuy3t	26	22	[	[	-LRB-
cord-252871-qfrpuy3t	26	23	4	4	CD
cord-252871-qfrpuy3t	26	24	]	]	-RRB-
cord-252871-qfrpuy3t	26	25	[	[	-LRB-
cord-252871-qfrpuy3t	26	26	5	5	CD
cord-252871-qfrpuy3t	26	27	]	]	-RRB-
cord-252871-qfrpuy3t	26	28	and	and	CC
cord-252871-qfrpuy3t	26	29	cause	cause	VB
cord-252871-qfrpuy3t	26	30	confusion	confusion	NN
cord-252871-qfrpuy3t	26	31	in	in	IN
cord-252871-qfrpuy3t	26	32	the	the	DT
cord-252871-qfrpuy3t	26	33	media	medium	NNS
cord-252871-qfrpuy3t	26	34	portrayal	portrayal	NN
cord-252871-qfrpuy3t	26	35	and	and	CC
cord-252871-qfrpuy3t	26	36	public	public	JJ
cord-252871-qfrpuy3t	26	37	perception	perception	NN
cord-252871-qfrpuy3t	26	38	.	.	.
cord-252871-qfrpuy3t	27	1	For	for	IN
cord-252871-qfrpuy3t	27	2	instance	instance	NN
cord-252871-qfrpuy3t	27	3	,	,	,
cord-252871-qfrpuy3t	27	4	despite	despite	IN
cord-252871-qfrpuy3t	27	5	overwhelming	overwhelming	JJ
cord-252871-qfrpuy3t	27	6	scientific	scientific	JJ
cord-252871-qfrpuy3t	27	7	evidence	evidence	NN
cord-252871-qfrpuy3t	27	8	supporting	support	VBG
cord-252871-qfrpuy3t	27	9	a	a	DT
cord-252871-qfrpuy3t	27	10	natural	natural	JJ
cord-252871-qfrpuy3t	27	11	zoonotic	zoonotic	JJ
cord-252871-qfrpuy3t	27	12	transmission	transmission	NN
cord-252871-qfrpuy3t	27	13	of	of	IN
cord-252871-qfrpuy3t	27	14	SARS	SARS	NNP
cord-252871-qfrpuy3t	27	15	-	-	HYPH
cord-252871-qfrpuy3t	27	16	CoV-2	CoV-2	NNP
cord-252871-qfrpuy3t	27	17	from	from	IN
cord-252871-qfrpuy3t	27	18	animals	animal	NNS
cord-252871-qfrpuy3t	27	19	to	to	IN
cord-252871-qfrpuy3t	27	20	humans	human	NNS
cord-252871-qfrpuy3t	27	21	[	[	-LRB-
cord-252871-qfrpuy3t	27	22	6	6	CD
cord-252871-qfrpuy3t	27	23	]	]	-RRB-
cord-252871-qfrpuy3t	27	24	,	,	,
cord-252871-qfrpuy3t	27	25	many	many	JJ
cord-252871-qfrpuy3t	27	26	still	still	RB
cord-252871-qfrpuy3t	27	27	suspect	suspect	VBP
cord-252871-qfrpuy3t	27	28	that	that	IN
cord-252871-qfrpuy3t	27	29	the	the	DT
cord-252871-qfrpuy3t	27	30	virus	virus	NN
cord-252871-qfrpuy3t	27	31	was	be	VBD
cord-252871-qfrpuy3t	27	32	purposefully	purposefully	RB
cord-252871-qfrpuy3t	27	33	engineered	engineer	VBN
cord-252871-qfrpuy3t	27	34	in	in	IN
cord-252871-qfrpuy3t	27	35	laboratories	laboratory	NNS
cord-252871-qfrpuy3t	27	36	.	.	.
cord-252871-qfrpuy3t	28	1	Similarly	similarly	RB
cord-252871-qfrpuy3t	28	2	,	,	,
cord-252871-qfrpuy3t	28	3	viruses	virus	NNS
cord-252871-qfrpuy3t	28	4	are	be	VBP
cord-252871-qfrpuy3t	28	5	generalized	generalize	VBN
cord-252871-qfrpuy3t	28	6	as	as	IN
cord-252871-qfrpuy3t	28	7	noxious	noxious	JJ
cord-252871-qfrpuy3t	28	8	pathogens	pathogen	NNS
cord-252871-qfrpuy3t	28	9	in	in	IN
cord-252871-qfrpuy3t	28	10	common	common	JJ
cord-252871-qfrpuy3t	28	11	discussions	discussion	NNS
cord-252871-qfrpuy3t	28	12	and	and	CC
cord-252871-qfrpuy3t	28	13	this	this	DT
cord-252871-qfrpuy3t	28	14	focus	focus	NN
cord-252871-qfrpuy3t	28	15	greatly	greatly	RB
cord-252871-qfrpuy3t	28	16	underestimates	underestimate	VBZ
cord-252871-qfrpuy3t	28	17	the	the	DT
cord-252871-qfrpuy3t	28	18	many	many	JJ
cord-252871-qfrpuy3t	28	19	beneficial	beneficial	JJ
cord-252871-qfrpuy3t	28	20	roles	role	NNS
cord-252871-qfrpuy3t	28	21	they	-PRON-	PRP
cord-252871-qfrpuy3t	28	22	play	play	VBP
cord-252871-qfrpuy3t	28	23	in	in	IN
cord-252871-qfrpuy3t	28	24	the	the	DT
cord-252871-qfrpuy3t	28	25	biosphere	biosphere	NN
cord-252871-qfrpuy3t	28	26	[	[	-LRB-
cord-252871-qfrpuy3t	28	27	7	7	CD
cord-252871-qfrpuy3t	28	28	,	,	,
cord-252871-qfrpuy3t	28	29	8	8	CD
cord-252871-qfrpuy3t	28	30	]	]	-RRB-
cord-252871-qfrpuy3t	28	31	and	and	CC
cord-252871-qfrpuy3t	28	32	as	as	IN
cord-252871-qfrpuy3t	28	33	mutualistic	mutualistic	JJ
cord-252871-qfrpuy3t	28	34	symbionts	symbiont	NNS
cord-252871-qfrpuy3t	28	35	of	of	IN
cord-252871-qfrpuy3t	28	36	many	many	JJ
cord-252871-qfrpuy3t	28	37	hosts	host	NNS
cord-252871-qfrpuy3t	28	38	(	(	-LRB-
cord-252871-qfrpuy3t	28	39	reviewed	review	VBN
cord-252871-qfrpuy3t	28	40	in	in	IN
cord-252871-qfrpuy3t	28	41	[	[	-LRB-
cord-252871-qfrpuy3t	28	42	9	9	CD
cord-252871-qfrpuy3t	28	43	,	,	,
cord-252871-qfrpuy3t	28	44	10	10	CD
cord-252871-qfrpuy3t	28	45	]	]	-RRB-
cord-252871-qfrpuy3t	28	46	)	)	-RRB-
cord-252871-qfrpuy3t	28	47	.	.	.
cord-252871-qfrpuy3t	29	1	In	in	IN
cord-252871-qfrpuy3t	29	2	this	this	DT
cord-252871-qfrpuy3t	29	3	article	article	NN
cord-252871-qfrpuy3t	29	4	,	,	,
cord-252871-qfrpuy3t	29	5	we	-PRON-	PRP
cord-252871-qfrpuy3t	29	6	revisit	revisit	VBP
cord-252871-qfrpuy3t	29	7	fundamental	fundamental	JJ
cord-252871-qfrpuy3t	29	8	questions	question	NNS
cord-252871-qfrpuy3t	29	9	about	about	IN
cord-252871-qfrpuy3t	29	10	the	the	DT
cord-252871-qfrpuy3t	29	11	nature	nature	NN
cord-252871-qfrpuy3t	29	12	,	,	,
cord-252871-qfrpuy3t	29	13	origins	origin	NNS
cord-252871-qfrpuy3t	29	14	,	,	,
cord-252871-qfrpuy3t	29	15	and	and	CC
cord-252871-qfrpuy3t	29	16	evolution	evolution	NN
cord-252871-qfrpuy3t	29	17	of	of	IN
cord-252871-qfrpuy3t	29	18	viruses	virus	NNS
cord-252871-qfrpuy3t	29	19	during	during	IN
cord-252871-qfrpuy3t	29	20	a	a	DT
cord-252871-qfrpuy3t	29	21	time	time	NN
cord-252871-qfrpuy3t	29	22	when	when	WRB
cord-252871-qfrpuy3t	29	23	public	public	JJ
cord-252871-qfrpuy3t	29	24	interest	interest	NN
cord-252871-qfrpuy3t	29	25	in	in	IN
cord-252871-qfrpuy3t	29	26	virus	virus	NN
cord-252871-qfrpuy3t	29	27	biology	biology	NN
cord-252871-qfrpuy3t	29	28	is	be	VBZ
cord-252871-qfrpuy3t	29	29	at	at	IN
cord-252871-qfrpuy3t	29	30	its	-PRON-	PRP$
cord-252871-qfrpuy3t	29	31	peak	peak	NN
cord-252871-qfrpuy3t	29	32	.	.	.
cord-252871-qfrpuy3t	30	1	We	-PRON-	PRP
cord-252871-qfrpuy3t	30	2	emphasize	emphasize	VBP
cord-252871-qfrpuy3t	30	3	the	the	DT
cord-252871-qfrpuy3t	30	4	need	need	NN
cord-252871-qfrpuy3t	30	5	to	to	TO
cord-252871-qfrpuy3t	30	6	rethink	rethink	VB
cord-252871-qfrpuy3t	30	7	viruses	virus	NNS
cord-252871-qfrpuy3t	30	8	in	in	IN
cord-252871-qfrpuy3t	30	9	the	the	DT
cord-252871-qfrpuy3t	30	10	light	light	NN
cord-252871-qfrpuy3t	30	11	of	of	IN
cord-252871-qfrpuy3t	30	12	new	new	JJ
cord-252871-qfrpuy3t	30	13	discoveries	discovery	NNS
cord-252871-qfrpuy3t	30	14	[	[	-LRB-
cord-252871-qfrpuy3t	30	15	2	2	CD
cord-252871-qfrpuy3t	30	16	]	]	-RRB-
cord-252871-qfrpuy3t	30	17	and	and	CC
cord-252871-qfrpuy3t	30	18	call	call	VB
cord-252871-qfrpuy3t	30	19	for	for	IN
cord-252871-qfrpuy3t	30	20	broader	broad	JJR
cord-252871-qfrpuy3t	30	21	acceptance	acceptance	NN
cord-252871-qfrpuy3t	30	22	of	of	IN
cord-252871-qfrpuy3t	30	23	new	new	JJ
cord-252871-qfrpuy3t	30	24	views	view	NNS
cord-252871-qfrpuy3t	30	25	that	that	WDT
cord-252871-qfrpuy3t	30	26	are	be	VBP
cord-252871-qfrpuy3t	30	27	resisted	resist	VBN
cord-252871-qfrpuy3t	30	28	by	by	IN
cord-252871-qfrpuy3t	30	29	(	(	-LRB-
cord-252871-qfrpuy3t	30	30	sometimes	sometimes	RB
cord-252871-qfrpuy3t	30	31	)	)	-RRB-
cord-252871-qfrpuy3t	30	32	century	century	NN
cord-252871-qfrpuy3t	30	33	-	-	HYPH
cord-252871-qfrpuy3t	30	34	old	old	JJ
cord-252871-qfrpuy3t	30	35	concepts	concept	NNS
cord-252871-qfrpuy3t	30	36	established	establish	VBN
cord-252871-qfrpuy3t	30	37	in	in	IN
cord-252871-qfrpuy3t	30	38	early	early	JJ
cord-252871-qfrpuy3t	30	39	virology	virology	NN
cord-252871-qfrpuy3t	30	40	research	research	NN
cord-252871-qfrpuy3t	30	41	(	(	-LRB-
cord-252871-qfrpuy3t	30	42	reviewed	review	VBN
cord-252871-qfrpuy3t	30	43	in	in	IN
cord-252871-qfrpuy3t	30	44	[	[	-LRB-
cord-252871-qfrpuy3t	30	45	11	11	CD
cord-252871-qfrpuy3t	30	46	]	]	-RRB-
cord-252871-qfrpuy3t	30	47	)	)	-RRB-
cord-252871-qfrpuy3t	30	48	.	.	.
cord-252871-qfrpuy3t	31	1	Defining	define	VBG
cord-252871-qfrpuy3t	31	2	viruses	virus	NNS
cord-252871-qfrpuy3t	31	3	is	be	VBZ
cord-252871-qfrpuy3t	31	4	surprisingly	surprisingly	RB
cord-252871-qfrpuy3t	31	5	controversial	controversial	JJ
cord-252871-qfrpuy3t	31	6	.	.	.
cord-252871-qfrpuy3t	32	1	This	this	DT
cord-252871-qfrpuy3t	32	2	is	be	VBZ
cord-252871-qfrpuy3t	32	3	largely	largely	RB
cord-252871-qfrpuy3t	32	4	because	because	IN
cord-252871-qfrpuy3t	32	5	of	of	IN
cord-252871-qfrpuy3t	32	6	the	the	DT
cord-252871-qfrpuy3t	32	7	seemingly	seemingly	RB
cord-252871-qfrpuy3t	32	8	split	split	VBN
cord-252871-qfrpuy3t	32	9	nature	nature	NN
cord-252871-qfrpuy3t	32	10	of	of	IN
cord-252871-qfrpuy3t	32	11	the	the	DT
cord-252871-qfrpuy3t	32	12	virus	virus	NN
cord-252871-qfrpuy3t	32	13	reproduction	reproduction	NN
cord-252871-qfrpuy3t	32	14	cycle	cycle	NN
cord-252871-qfrpuy3t	32	15	into	into	IN
cord-252871-qfrpuy3t	32	16	two	two	CD
cord-252871-qfrpuy3t	32	17	distinct	distinct	JJ
cord-252871-qfrpuy3t	32	18	stages	stage	NNS
cord-252871-qfrpuy3t	32	19	:	:	:
cord-252871-qfrpuy3t	32	20	(	(	-LRB-
cord-252871-qfrpuy3t	32	21	i	i	NN
cord-252871-qfrpuy3t	32	22	)	)	-RRB-
cord-252871-qfrpuy3t	32	23	an	an	DT
cord-252871-qfrpuy3t	32	24	intracellular	intracellular	JJ
cord-252871-qfrpuy3t	32	25	stage	stage	NN
cord-252871-qfrpuy3t	32	26	during	during	IN
cord-252871-qfrpuy3t	32	27	which	which	WDT
cord-252871-qfrpuy3t	32	28	the	the	DT
cord-252871-qfrpuy3t	32	29	virus	virus	NN
cord-252871-qfrpuy3t	32	30	reprograms	reprogram	VBZ
cord-252871-qfrpuy3t	32	31	the	the	DT
cord-252871-qfrpuy3t	32	32	infected	infected	JJ
cord-252871-qfrpuy3t	32	33	cell	cell	NN
cord-252871-qfrpuy3t	32	34	to	to	TO
cord-252871-qfrpuy3t	32	35	produce	produce	VB
cord-252871-qfrpuy3t	32	36	viral	viral	JJ
cord-252871-qfrpuy3t	32	37	particles	particle	NNS
cord-252871-qfrpuy3t	32	38	or	or	CC
cord-252871-qfrpuy3t	32	39	virions	virion	NNS
cord-252871-qfrpuy3t	32	40	(	(	-LRB-
cord-252871-qfrpuy3t	32	41	see	see	VB
cord-252871-qfrpuy3t	32	42	Glossary	Glossary	NNP
cord-252871-qfrpuy3t	32	43	)	)	-RRB-
cord-252871-qfrpuy3t	32	44	,	,	,
cord-252871-qfrpuy3t	32	45	and	and	CC
cord-252871-qfrpuy3t	32	46	(	(	-LRB-
cord-252871-qfrpuy3t	32	47	ii	ii	NN
cord-252871-qfrpuy3t	32	48	)	)	-RRB-
cord-252871-qfrpuy3t	32	49	an	an	DT
cord-252871-qfrpuy3t	32	50	extracellular	extracellular	JJ
cord-252871-qfrpuy3t	32	51	stage	stage	NN
cord-252871-qfrpuy3t	32	52	during	during	IN
cord-252871-qfrpuy3t	32	53	which	which	WDT
cord-252871-qfrpuy3t	32	54	virions	virion	NNS
cord-252871-qfrpuy3t	32	55	escape	escape	VBP
cord-252871-qfrpuy3t	32	56	the	the	DT
cord-252871-qfrpuy3t	32	57	infected	infected	JJ
cord-252871-qfrpuy3t	32	58	cells	cell	NNS
cord-252871-qfrpuy3t	32	59	and	and	CC
cord-252871-qfrpuy3t	32	60	persist	persist	VB
cord-252871-qfrpuy3t	32	61	in	in	IN
cord-252871-qfrpuy3t	32	62	the	the	DT
cord-252871-qfrpuy3t	32	63	external	external	JJ
cord-252871-qfrpuy3t	32	64	environment	environment	NN
cord-252871-qfrpuy3t	32	65	(	(	-LRB-
cord-252871-qfrpuy3t	32	66	similar	similar	JJ
cord-252871-qfrpuy3t	32	67	to	to	TO
cord-252871-qfrpuy3t	32	68	plant	plant	NN
cord-252871-qfrpuy3t	32	69	seeds	seed	NNS
cord-252871-qfrpuy3t	32	70	[	[	-LRB-
cord-252871-qfrpuy3t	32	71	12	12	CD
cord-252871-qfrpuy3t	32	72	]	]	-RRB-
cord-252871-qfrpuy3t	32	73	)	)	-RRB-
cord-252871-qfrpuy3t	32	74	.	.	.
cord-252871-qfrpuy3t	33	1	1	1	LS
cord-252871-qfrpuy3t	34	1	Both	both	DT
cord-252871-qfrpuy3t	34	2	stages	stage	NNS
cord-252871-qfrpuy3t	34	3	,	,	,
cord-252871-qfrpuy3t	34	4	when	when	WRB
cord-252871-qfrpuy3t	34	5	considered	consider	VBN
cord-252871-qfrpuy3t	34	6	separately	separately	RB
cord-252871-qfrpuy3t	34	7	,	,	,
cord-252871-qfrpuy3t	34	8	provide	provide	VB
cord-252871-qfrpuy3t	34	9	dramatically	dramatically	RB
cord-252871-qfrpuy3t	34	10	contrasting	contrast	VBG
cord-252871-qfrpuy3t	34	11	views	view	NNS
cord-252871-qfrpuy3t	34	12	about	about	IN
cord-252871-qfrpuy3t	34	13	the	the	DT
cord-252871-qfrpuy3t	34	14	nature	nature	NN
cord-252871-qfrpuy3t	34	15	and	and	CC
cord-252871-qfrpuy3t	34	16	roles	role	NNS
cord-252871-qfrpuy3t	34	17	of	of	IN
cord-252871-qfrpuy3t	34	18	viruses	virus	NNS
cord-252871-qfrpuy3t	34	19	.	.	.
cord-252871-qfrpuy3t	35	1	For	for	IN
cord-252871-qfrpuy3t	35	2	example	example	NN
cord-252871-qfrpuy3t	35	3	,	,	,
cord-252871-qfrpuy3t	35	4	virions	virion	NNS
cord-252871-qfrpuy3t	35	5	are	be	VBP
cord-252871-qfrpuy3t	35	6	metabolically	metabolically	RB
cord-252871-qfrpuy3t	35	7	The	the	DT
cord-252871-qfrpuy3t	35	8	distinctions	distinction	NNS
cord-252871-qfrpuy3t	35	9	between	between	IN
cord-252871-qfrpuy3t	35	10	virions	virion	NNS
cord-252871-qfrpuy3t	35	11	and	and	CC
cord-252871-qfrpuy3t	35	12	viruses	virus	NNS
cord-252871-qfrpuy3t	35	13	and	and	CC
cord-252871-qfrpuy3t	35	14	modern	modern	JJ
cord-252871-qfrpuy3t	35	15	and	and	CC
cord-252871-qfrpuy3t	35	16	ancient	ancient	JJ
cord-252871-qfrpuy3t	35	17	cells	cell	NNS
cord-252871-qfrpuy3t	35	18	are	be	VBP
cord-252871-qfrpuy3t	35	19	crucial	crucial	JJ
cord-252871-qfrpuy3t	35	20	to	to	TO
cord-252871-qfrpuy3t	35	21	understand	understand	VB
cord-252871-qfrpuy3t	35	22	virus	virus	NN
cord-252871-qfrpuy3t	35	23	origins	origin	NNS
cord-252871-qfrpuy3t	35	24	and	and	CC
cord-252871-qfrpuy3t	35	25	evolution	evolution	NN
cord-252871-qfrpuy3t	35	26	.	.	.
cord-252871-qfrpuy3t	36	1	Viruses	virus	NNS
cord-252871-qfrpuy3t	36	2	can	can	MD
cord-252871-qfrpuy3t	36	3	be	be	VB
cord-252871-qfrpuy3t	36	4	better	well	RBR
cord-252871-qfrpuy3t	36	5	defined	define	VBN
cord-252871-qfrpuy3t	36	6	by	by	IN
cord-252871-qfrpuy3t	36	7	their	-PRON-	PRP$
cord-252871-qfrpuy3t	36	8	generic	generic	JJ
cord-252871-qfrpuy3t	36	9	features	feature	NNS
cord-252871-qfrpuy3t	36	10	of	of	IN
cord-252871-qfrpuy3t	36	11	genome	genome	NN
cord-252871-qfrpuy3t	36	12	propagation	propagation	NN
cord-252871-qfrpuy3t	36	13	and	and	CC
cord-252871-qfrpuy3t	36	14	dissemination	dissemination	NN
cord-252871-qfrpuy3t	36	15	rather	rather	RB
cord-252871-qfrpuy3t	36	16	than	than	IN
cord-252871-qfrpuy3t	36	17	physical	physical	JJ
cord-252871-qfrpuy3t	36	18	or	or	CC
cord-252871-qfrpuy3t	36	19	biological	biological	JJ
cord-252871-qfrpuy3t	36	20	properties	property	NNS
cord-252871-qfrpuy3t	36	21	of	of	IN
cord-252871-qfrpuy3t	36	22	their	-PRON-	PRP$
cord-252871-qfrpuy3t	36	23	virions	virion	NNS
cord-252871-qfrpuy3t	36	24	or	or	CC
cord-252871-qfrpuy3t	36	25	hosts	host	NNS
cord-252871-qfrpuy3t	36	26	.	.	.
cord-252871-qfrpuy3t	37	1	Virus	virus	NN
cord-252871-qfrpuy3t	37	2	genomes	genome	NNS
cord-252871-qfrpuy3t	37	3	are	be	VBP
cord-252871-qfrpuy3t	37	4	characterized	characterize	VBN
cord-252871-qfrpuy3t	37	5	by	by	IN
cord-252871-qfrpuy3t	37	6	the	the	DT
cord-252871-qfrpuy3t	37	7	abundance	abundance	NN
cord-252871-qfrpuy3t	37	8	of	of	IN
cord-252871-qfrpuy3t	37	9	virus	virus	NN
cord-252871-qfrpuy3t	37	10	-	-	HYPH
cord-252871-qfrpuy3t	37	11	specific	specific	JJ
cord-252871-qfrpuy3t	37	12	genes	gene	NNS
cord-252871-qfrpuy3t	37	13	that	that	WDT
cord-252871-qfrpuy3t	37	14	lack	lack	VBP
cord-252871-qfrpuy3t	37	15	detectable	detectable	JJ
cord-252871-qfrpuy3t	37	16	cellular	cellular	JJ
cord-252871-qfrpuy3t	37	17	homologs	homolog	NNS
cord-252871-qfrpuy3t	37	18	.	.	.
cord-252871-qfrpuy3t	38	1	Despite	despite	IN
cord-252871-qfrpuy3t	38	2	their	-PRON-	PRP$
cord-252871-qfrpuy3t	38	3	abundance	abundance	NN
cord-252871-qfrpuy3t	38	4	,	,	,
cord-252871-qfrpuy3t	38	5	virus	virus	NN
cord-252871-qfrpuy3t	38	6	-	-	HYPH
cord-252871-qfrpuy3t	38	7	specific	specific	JJ
cord-252871-qfrpuy3t	38	8	genes	gene	NNS
cord-252871-qfrpuy3t	38	9	are	be	VBP
cord-252871-qfrpuy3t	38	10	rarely	rarely	RB
cord-252871-qfrpuy3t	38	11	discussed	discuss	VBN
cord-252871-qfrpuy3t	38	12	in	in	IN
cord-252871-qfrpuy3t	38	13	the	the	DT
cord-252871-qfrpuy3t	38	14	models	model	NNS
cord-252871-qfrpuy3t	38	15	of	of	IN
cord-252871-qfrpuy3t	38	16	virus	virus	NN
cord-252871-qfrpuy3t	38	17	origin	origin	NN
cord-252871-qfrpuy3t	38	18	and	and	CC
cord-252871-qfrpuy3t	38	19	evolution	evolution	NN
cord-252871-qfrpuy3t	38	20	.	.	.
cord-252871-qfrpuy3t	39	1	The	the	DT
cord-252871-qfrpuy3t	39	2	alignment	alignment	NN
cord-252871-qfrpuy3t	39	3	-	-	HYPH
cord-252871-qfrpuy3t	39	4	based	base	VBN
cord-252871-qfrpuy3t	39	5	methods	method	NNS
cord-252871-qfrpuy3t	39	6	are	be	VBP
cord-252871-qfrpuy3t	39	7	illsuited	illsuite	VBN
cord-252871-qfrpuy3t	39	8	for	for	IN
cord-252871-qfrpuy3t	39	9	the	the	DT
cord-252871-qfrpuy3t	39	10	origins	origin	NNS
cord-252871-qfrpuy3t	39	11	of	of	IN
cord-252871-qfrpuy3t	39	12	life	life	NN
cord-252871-qfrpuy3t	39	13	research	research	NN
cord-252871-qfrpuy3t	39	14	,	,	,
cord-252871-qfrpuy3t	39	15	especially	especially	RB
cord-252871-qfrpuy3t	39	16	when	when	WRB
cord-252871-qfrpuy3t	39	17	the	the	DT
cord-252871-qfrpuy3t	39	18	objective	objective	NN
cord-252871-qfrpuy3t	39	19	is	be	VBZ
cord-252871-qfrpuy3t	39	20	to	to	TO
cord-252871-qfrpuy3t	39	21	place	place	VB
cord-252871-qfrpuy3t	39	22	fast	fast	RB
cord-252871-qfrpuy3t	39	23	-	-	HYPH
cord-252871-qfrpuy3t	39	24	evolving	evolve	VBG
cord-252871-qfrpuy3t	39	25	organisms	organism	NNS
cord-252871-qfrpuy3t	39	26	or	or	CC
cord-252871-qfrpuy3t	39	27	viruses	virus	NNS
cord-252871-qfrpuy3t	39	28	in	in	IN
cord-252871-qfrpuy3t	39	29	the	the	DT
cord-252871-qfrpuy3t	39	30	tree	tree	NN
cord-252871-qfrpuy3t	39	31	of	of	IN
cord-252871-qfrpuy3t	39	32	life	life	NN
cord-252871-qfrpuy3t	39	33	.	.	.
cord-252871-qfrpuy3t	40	1	Protein	protein	NN
cord-252871-qfrpuy3t	40	2	structures	structure	NNS
cord-252871-qfrpuy3t	40	3	may	may	MD
cord-252871-qfrpuy3t	40	4	provide	provide	VB
cord-252871-qfrpuy3t	40	5	a	a	DT
cord-252871-qfrpuy3t	40	6	better	well	JJR
cord-252871-qfrpuy3t	40	7	alternative	alternative	NN
cord-252871-qfrpuy3t	40	8	to	to	TO
cord-252871-qfrpuy3t	40	9	resolve	resolve	VB
cord-252871-qfrpuy3t	40	10	the	the	DT
cord-252871-qfrpuy3t	40	11	very	very	RB
cord-252871-qfrpuy3t	40	12	deep	deep	JJ
cord-252871-qfrpuy3t	40	13	branches	branch	NNS
cord-252871-qfrpuy3t	40	14	in	in	IN
cord-252871-qfrpuy3t	40	15	the	the	DT
cord-252871-qfrpuy3t	40	16	tree	tree	NN
cord-252871-qfrpuy3t	40	17	of	of	IN
cord-252871-qfrpuy3t	40	18	life	life	NN
cord-252871-qfrpuy3t	40	19	.	.	.
cord-252871-qfrpuy3t	41	1	inert	inert	JJ
cord-252871-qfrpuy3t	41	2	infectious	infectious	JJ
cord-252871-qfrpuy3t	41	3	particles	particle	NNS
cord-252871-qfrpuy3t	41	4	that	that	WDT
cord-252871-qfrpuy3t	41	5	do	do	VBP
cord-252871-qfrpuy3t	41	6	not	not	RB
cord-252871-qfrpuy3t	41	7	meet	meet	VB
cord-252871-qfrpuy3t	41	8	any	any	DT
cord-252871-qfrpuy3t	41	9	of	of	IN
cord-252871-qfrpuy3t	41	10	the	the	DT
cord-252871-qfrpuy3t	41	11	criteria	criterion	NNS
cord-252871-qfrpuy3t	41	12	we	-PRON-	PRP
cord-252871-qfrpuy3t	41	13	may	may	MD
cord-252871-qfrpuy3t	41	14	use	use	VB
cord-252871-qfrpuy3t	41	15	to	to	TO
cord-252871-qfrpuy3t	41	16	define	define	VB
cord-252871-qfrpuy3t	41	17	'	'	``
cord-252871-qfrpuy3t	41	18	life	life	NN
cord-252871-qfrpuy3t	41	19	'	'	''
cord-252871-qfrpuy3t	41	20	or	or	CC
cord-252871-qfrpuy3t	41	21	living	live	VBG
cord-252871-qfrpuy3t	41	22	organisms	organism	NNS
cord-252871-qfrpuy3t	41	23	[	[	-LRB-
cord-252871-qfrpuy3t	41	24	2	2	CD
cord-252871-qfrpuy3t	41	25	]	]	-RRB-
cord-252871-qfrpuy3t	41	26	.	.	.
cord-252871-qfrpuy3t	42	1	However	however	RB
cord-252871-qfrpuy3t	42	2	,	,	,
cord-252871-qfrpuy3t	42	3	since	since	IN
cord-252871-qfrpuy3t	42	4	they	-PRON-	PRP
cord-252871-qfrpuy3t	42	5	can	can	MD
cord-252871-qfrpuy3t	42	6	be	be	VB
cord-252871-qfrpuy3t	42	7	purified	purify	VBN
cord-252871-qfrpuy3t	42	8	,	,	,
cord-252871-qfrpuy3t	42	9	counted	count	VBN
cord-252871-qfrpuy3t	42	10	,	,	,
cord-252871-qfrpuy3t	42	11	and	and	CC
cord-252871-qfrpuy3t	42	12	visualized	visualize	VBN
cord-252871-qfrpuy3t	42	13	under	under	IN
cord-252871-qfrpuy3t	42	14	the	the	DT
cord-252871-qfrpuy3t	42	15	microscope	microscope	NN
cord-252871-qfrpuy3t	42	16	,	,	,
cord-252871-qfrpuy3t	42	17	their	-PRON-	PRP$
cord-252871-qfrpuy3t	42	18	physical	physical	JJ
cord-252871-qfrpuy3t	42	19	and	and	CC
cord-252871-qfrpuy3t	42	20	biochemical	biochemical	JJ
cord-252871-qfrpuy3t	42	21	properties	property	NNS
cord-252871-qfrpuy3t	42	22	(	(	-LRB-
cord-252871-qfrpuy3t	42	23	e.g.	e.g.	RB
cord-252871-qfrpuy3t	42	24	,	,	,
cord-252871-qfrpuy3t	42	25	size	size	NN
cord-252871-qfrpuy3t	42	26	,	,	,
cord-252871-qfrpuy3t	42	27	shape	shape	NN
cord-252871-qfrpuy3t	42	28	,	,	,
cord-252871-qfrpuy3t	42	29	metabolic	metabolic	JJ
cord-252871-qfrpuy3t	42	30	capabilities	capability	NNS
cord-252871-qfrpuy3t	42	31	,	,	,
cord-252871-qfrpuy3t	42	32	capsid	capsid	NN
cord-252871-qfrpuy3t	42	33	)	)	-RRB-
cord-252871-qfrpuy3t	42	34	along	along	IN
cord-252871-qfrpuy3t	42	35	with	with	IN
cord-252871-qfrpuy3t	42	36	host	host	NN
cord-252871-qfrpuy3t	42	37	/	/	SYM
cord-252871-qfrpuy3t	42	38	tissue	tissue	NN
cord-252871-qfrpuy3t	42	39	specificity	specificity	NN
cord-252871-qfrpuy3t	42	40	have	have	VBP
cord-252871-qfrpuy3t	42	41	become	become	VBN
cord-252871-qfrpuy3t	42	42	popular	popular	JJ
cord-252871-qfrpuy3t	42	43	in	in	IN
cord-252871-qfrpuy3t	42	44	the	the	DT
cord-252871-qfrpuy3t	42	45	description	description	NN
cord-252871-qfrpuy3t	42	46	,	,	,
cord-252871-qfrpuy3t	42	47	illustration	illustration	NN
cord-252871-qfrpuy3t	42	48	,	,	,
cord-252871-qfrpuy3t	42	49	and	and	CC
cord-252871-qfrpuy3t	42	50	naming	naming	NN
cord-252871-qfrpuy3t	42	51	of	of	IN
cord-252871-qfrpuy3t	42	52	viruses	virus	NNS
cord-252871-qfrpuy3t	42	53	(	(	-LRB-
cord-252871-qfrpuy3t	42	54	e.g.	e.g.	RB
cord-252871-qfrpuy3t	42	55	,	,	,
cord-252871-qfrpuy3t	42	56	human	human	JJ
cord-252871-qfrpuy3t	42	57	immunodeficiency	immunodeficiency	NN
cord-252871-qfrpuy3t	42	58	virus	virus	NN
cord-252871-qfrpuy3t	42	59	)	)	-RRB-
cord-252871-qfrpuy3t	42	60	.	.	.
cord-252871-qfrpuy3t	43	1	These	these	DT
cord-252871-qfrpuy3t	43	2	,	,	,
cord-252871-qfrpuy3t	43	3	in	in	IN
cord-252871-qfrpuy3t	43	4	turn	turn	NN
cord-252871-qfrpuy3t	43	5	,	,	,
cord-252871-qfrpuy3t	43	6	have	have	VBP
cord-252871-qfrpuy3t	43	7	shaped	shape	VBN
cord-252871-qfrpuy3t	43	8	our	-PRON-	PRP$
cord-252871-qfrpuy3t	43	9	perceptions	perception	NNS
cord-252871-qfrpuy3t	43	10	about	about	IN
cord-252871-qfrpuy3t	43	11	viruses	virus	NNS
cord-252871-qfrpuy3t	43	12	as	as	IN
cord-252871-qfrpuy3t	43	13	nonliving	nonlive	VBG
cord-252871-qfrpuy3t	43	14	inanimate	inanimate	JJ
cord-252871-qfrpuy3t	43	15	biological	biological	JJ
cord-252871-qfrpuy3t	43	16	objects	object	NNS
cord-252871-qfrpuy3t	43	17	that	that	WDT
cord-252871-qfrpuy3t	43	18	are	be	VBP
cord-252871-qfrpuy3t	43	19	,	,	,
cord-252871-qfrpuy3t	43	20	paradoxically	paradoxically	RB
cord-252871-qfrpuy3t	43	21	,	,	,
cord-252871-qfrpuy3t	43	22	infectious	infectious	JJ
cord-252871-qfrpuy3t	43	23	.	.	.
cord-252871-qfrpuy3t	44	1	Treating	treat	VBG
cord-252871-qfrpuy3t	44	2	virions	virion	NNS
cord-252871-qfrpuy3t	44	3	as	as	IN
cord-252871-qfrpuy3t	44	4	viruses	virus	NNS
cord-252871-qfrpuy3t	44	5	is	be	VBZ
cord-252871-qfrpuy3t	44	6	a	a	DT
cord-252871-qfrpuy3t	44	7	conceptual	conceptual	JJ
cord-252871-qfrpuy3t	44	8	mistake	mistake	NN
cord-252871-qfrpuy3t	44	9	[	[	-LRB-
cord-252871-qfrpuy3t	44	10	2	2	CD
cord-252871-qfrpuy3t	44	11	,	,	,
cord-252871-qfrpuy3t	44	12	[	[	-LRB-
cord-252871-qfrpuy3t	44	13	12	12	CD
cord-252871-qfrpuy3t	44	14	]	]	-RRB-
cord-252871-qfrpuy3t	44	15	[	[	-LRB-
cord-252871-qfrpuy3t	44	16	13	13	CD
cord-252871-qfrpuy3t	44	17	]	]	-RRB-
cord-252871-qfrpuy3t	44	18	[	[	-LRB-
cord-252871-qfrpuy3t	44	19	14	14	CD
cord-252871-qfrpuy3t	44	20	]	]	-RRB-
cord-252871-qfrpuy3t	44	21	[	[	-LRB-
cord-252871-qfrpuy3t	44	22	15	15	CD
cord-252871-qfrpuy3t	44	23	]	]	-RRB-
cord-252871-qfrpuy3t	44	24	[	[	-LRB-
cord-252871-qfrpuy3t	44	25	16	16	CD
cord-252871-qfrpuy3t	44	26	]	]	-RRB-
cord-252871-qfrpuy3t	44	27	that	that	WDT
cord-252871-qfrpuy3t	44	28	overlooks	overlook	VBZ
cord-252871-qfrpuy3t	44	29	the	the	DT
cord-252871-qfrpuy3t	44	30	dramatic	dramatic	JJ
cord-252871-qfrpuy3t	44	31	changes	change	NNS
cord-252871-qfrpuy3t	44	32	viruses	virus	NNS
cord-252871-qfrpuy3t	44	33	introduce	introduce	VBP
cord-252871-qfrpuy3t	44	34	inside	inside	IN
cord-252871-qfrpuy3t	44	35	infected	infected	JJ
cord-252871-qfrpuy3t	44	36	cells	cell	NNS
cord-252871-qfrpuy3t	44	37	.	.	.
cord-252871-qfrpuy3t	45	1	A	a	DT
cord-252871-qfrpuy3t	45	2	virus	virus	NN
cord-252871-qfrpuy3t	45	3	-	-	HYPH
cord-252871-qfrpuy3t	45	4	infected	infect	VBN
cord-252871-qfrpuy3t	45	5	cell	cell	NN
cord-252871-qfrpuy3t	45	6	can	can	MD
cord-252871-qfrpuy3t	45	7	effectively	effectively	RB
cord-252871-qfrpuy3t	45	8	be	be	VB
cord-252871-qfrpuy3t	45	9	transformed	transform	VBN
cord-252871-qfrpuy3t	45	10	into	into	IN
cord-252871-qfrpuy3t	45	11	a	a	DT
cord-252871-qfrpuy3t	45	12	'	'	``
cord-252871-qfrpuy3t	45	13	hot	hot	JJ
cord-252871-qfrpuy3t	45	14	spot	spot	NN
cord-252871-qfrpuy3t	45	15	'	'	''
cord-252871-qfrpuy3t	45	16	for	for	IN
cord-252871-qfrpuy3t	45	17	virion	virion	NN
cord-252871-qfrpuy3t	45	18	production	production	NN
cord-252871-qfrpuy3t	45	19	[	[	-LRB-
cord-252871-qfrpuy3t	45	20	17	17	CD
cord-252871-qfrpuy3t	45	21	]	]	-RRB-
cord-252871-qfrpuy3t	45	22	and	and	CC
cord-252871-qfrpuy3t	45	23	can	can	MD
cord-252871-qfrpuy3t	45	24	practically	practically	RB
cord-252871-qfrpuy3t	45	25	lose	lose	VB
cord-252871-qfrpuy3t	45	26	its	-PRON-	PRP$
cord-252871-qfrpuy3t	45	27	identity	identity	NN
cord-252871-qfrpuy3t	45	28	(	(	-LRB-
cord-252871-qfrpuy3t	45	29	i.e.	i.e.	FW
cord-252871-qfrpuy3t	45	30	,	,	,
cord-252871-qfrpuy3t	45	31	it	-PRON-	PRP
cord-252871-qfrpuy3t	45	32	now	now	RB
cord-252871-qfrpuy3t	45	33	produces	produce	VBZ
cord-252871-qfrpuy3t	45	34	virions	virion	NNS
cord-252871-qfrpuy3t	45	35	rather	rather	RB
cord-252871-qfrpuy3t	45	36	than	than	IN
cord-252871-qfrpuy3t	45	37	two	two	CD
cord-252871-qfrpuy3t	45	38	daughter	daughter	NN
cord-252871-qfrpuy3t	45	39	cells	cell	NNS
cord-252871-qfrpuy3t	45	40	)	)	-RRB-
cord-252871-qfrpuy3t	45	41	[	[	-LRB-
cord-252871-qfrpuy3t	45	42	18	18	CD
cord-252871-qfrpuy3t	45	43	]	]	-RRB-
cord-252871-qfrpuy3t	45	44	.	.	.
cord-252871-qfrpuy3t	46	1	In	in	IN
cord-252871-qfrpuy3t	46	2	some	some	DT
cord-252871-qfrpuy3t	46	3	viral	viral	JJ
cord-252871-qfrpuy3t	46	4	infections	infection	NNS
cord-252871-qfrpuy3t	46	5	,	,	,
cord-252871-qfrpuy3t	46	6	large	large	JJ
cord-252871-qfrpuy3t	46	7	cell	cell	NN
cord-252871-qfrpuy3t	46	8	-	-	HYPH
cord-252871-qfrpuy3t	46	9	like	like	JJ
cord-252871-qfrpuy3t	46	10	'	'	''
cord-252871-qfrpuy3t	46	11	virion	virion	NN
cord-252871-qfrpuy3t	46	12	factories	factory	NNS
cord-252871-qfrpuy3t	46	13	'	'	''
cord-252871-qfrpuy3t	46	14	are	be	VBP
cord-252871-qfrpuy3t	46	15	clearly	clearly	RB
cord-252871-qfrpuy3t	46	16	visible	visible	JJ
cord-252871-qfrpuy3t	46	17	[	[	-LRB-
cord-252871-qfrpuy3t	46	18	19	19	CD
cord-252871-qfrpuy3t	46	19	]	]	-RRB-
cord-252871-qfrpuy3t	46	20	.	.	.
cord-252871-qfrpuy3t	47	1	This	this	DT
cord-252871-qfrpuy3t	47	2	remarkable	remarkable	JJ
cord-252871-qfrpuy3t	47	3	transformation	transformation	NN
cord-252871-qfrpuy3t	47	4	is	be	VBZ
cord-252871-qfrpuy3t	47	5	due	due	JJ
cord-252871-qfrpuy3t	47	6	to	to	IN
cord-252871-qfrpuy3t	47	7	the	the	DT
cord-252871-qfrpuy3t	47	8	virus	virus	NN
cord-252871-qfrpuy3t	47	9	-	-	HYPH
cord-252871-qfrpuy3t	47	10	mediated	mediate	VBN
cord-252871-qfrpuy3t	47	11	manipulation	manipulation	NN
cord-252871-qfrpuy3t	47	12	and	and	CC
cord-252871-qfrpuy3t	47	13	alteration	alteration	NN
cord-252871-qfrpuy3t	47	14	of	of	IN
cord-252871-qfrpuy3t	47	15	host	host	NN
cord-252871-qfrpuy3t	47	16	metabolism	metabolism	NN
cord-252871-qfrpuy3t	47	17	and	and	CC
cord-252871-qfrpuy3t	47	18	defenses	defense	NNS
cord-252871-qfrpuy3t	47	19	[	[	-LRB-
cord-252871-qfrpuy3t	47	20	7	7	CD
cord-252871-qfrpuy3t	47	21	]	]	-RRB-
cord-252871-qfrpuy3t	47	22	.	.	.
cord-252871-qfrpuy3t	48	1	The	the	DT
cord-252871-qfrpuy3t	48	2	intracellular	intracellular	JJ
cord-252871-qfrpuy3t	48	3	stage	stage	NN
cord-252871-qfrpuy3t	48	4	therefore	therefore	RB
cord-252871-qfrpuy3t	48	5	involves	involve	VBZ
cord-252871-qfrpuy3t	48	6	substantial	substantial	JJ
cord-252871-qfrpuy3t	48	7	viral	viral	JJ
cord-252871-qfrpuy3t	48	8	activity	activity	NN
cord-252871-qfrpuy3t	48	9	and	and	CC
cord-252871-qfrpuy3t	48	10	is	be	VBZ
cord-252871-qfrpuy3t	48	11	often	often	RB
cord-252871-qfrpuy3t	48	12	the	the	DT
cord-252871-qfrpuy3t	48	13	target	target	NN
cord-252871-qfrpuy3t	48	14	of	of	IN
cord-252871-qfrpuy3t	48	15	antiviral	antiviral	JJ
cord-252871-qfrpuy3t	48	16	drugs	drug	NNS
cord-252871-qfrpuy3t	48	17	to	to	TO
cord-252871-qfrpuy3t	48	18	combat	combat	VB
cord-252871-qfrpuy3t	48	19	virus	virus	NN
cord-252871-qfrpuy3t	48	20	infection	infection	NN
cord-252871-qfrpuy3t	48	21	(	(	-LRB-
cord-252871-qfrpuy3t	48	22	e.g.	e.g.	RB
cord-252871-qfrpuy3t	48	23	,	,	,
cord-252871-qfrpuy3t	48	24	antivirals	antiviral	NNS
cord-252871-qfrpuy3t	48	25	that	that	WDT
cord-252871-qfrpuy3t	48	26	target	target	VBP
cord-252871-qfrpuy3t	48	27	HIV	HIV	NNP
cord-252871-qfrpuy3t	48	28	polymerase	polymerase	NN
cord-252871-qfrpuy3t	48	29	)	)	-RRB-
cord-252871-qfrpuy3t	48	30	.	.	.
cord-252871-qfrpuy3t	49	1	Despite	despite	IN
cord-252871-qfrpuy3t	49	2	its	-PRON-	PRP$
cord-252871-qfrpuy3t	49	3	immense	immense	JJ
cord-252871-qfrpuy3t	49	4	role	role	NN
cord-252871-qfrpuy3t	49	5	in	in	IN
cord-252871-qfrpuy3t	49	6	establishing	establish	VBG
cord-252871-qfrpuy3t	49	7	virus	virus	NN
cord-252871-qfrpuy3t	49	8	infection	infection	NN
cord-252871-qfrpuy3t	49	9	and	and	CC
cord-252871-qfrpuy3t	49	10	existence	existence	NN
cord-252871-qfrpuy3t	49	11	inside	inside	IN
cord-252871-qfrpuy3t	49	12	the	the	DT
cord-252871-qfrpuy3t	49	13	infected	infected	JJ
cord-252871-qfrpuy3t	49	14	cells	cell	NNS
cord-252871-qfrpuy3t	49	15	,	,	,
cord-252871-qfrpuy3t	49	16	it	-PRON-	PRP
cord-252871-qfrpuy3t	49	17	has	have	VBZ
cord-252871-qfrpuy3t	49	18	unfortunately	unfortunately	RB
cord-252871-qfrpuy3t	49	19	been	be	VBN
cord-252871-qfrpuy3t	49	20	referred	refer	VBN
cord-252871-qfrpuy3t	49	21	to	to	IN
cord-252871-qfrpuy3t	49	22	as	as	IN
cord-252871-qfrpuy3t	49	23	the	the	DT
cord-252871-qfrpuy3t	49	24	'	'	``
cord-252871-qfrpuy3t	49	25	eclipse	eclipse	NN
cord-252871-qfrpuy3t	49	26	'	'	''
cord-252871-qfrpuy3t	49	27	or	or	CC
cord-252871-qfrpuy3t	49	28	'	'	``
cord-252871-qfrpuy3t	49	29	vegetative	vegetative	JJ
cord-252871-qfrpuy3t	49	30	'	'	''
cord-252871-qfrpuy3t	49	31	phase	phase	NN
cord-252871-qfrpuy3t	49	32	[	[	-LRB-
cord-252871-qfrpuy3t	49	33	20	20	CD
cord-252871-qfrpuy3t	49	34	,	,	,
cord-252871-qfrpuy3t	49	35	21	21	CD
cord-252871-qfrpuy3t	49	36	]	]	-RRB-
cord-252871-qfrpuy3t	49	37	to	to	TO
cord-252871-qfrpuy3t	49	38	indicate	indicate	VB
cord-252871-qfrpuy3t	49	39	lack	lack	NN
cord-252871-qfrpuy3t	49	40	of	of	IN
cord-252871-qfrpuy3t	49	41	hallmark	hallmark	JJ
cord-252871-qfrpuy3t	49	42	signs	sign	NNS
cord-252871-qfrpuy3t	49	43	of	of	IN
cord-252871-qfrpuy3t	49	44	virus	virus	NN
cord-252871-qfrpuy3t	49	45	infection	infection	NN
cord-252871-qfrpuy3t	49	46	(	(	-LRB-
cord-252871-qfrpuy3t	49	47	e.g.	e.g.	RB
cord-252871-qfrpuy3t	49	48	,	,	,
cord-252871-qfrpuy3t	49	49	virion	virion	NN
cord-252871-qfrpuy3t	49	50	production	production	NN
cord-252871-qfrpuy3t	49	51	,	,	,
cord-252871-qfrpuy3t	49	52	plaques	plaque	NNS
cord-252871-qfrpuy3t	49	53	,	,	,
cord-252871-qfrpuy3t	49	54	and	and	CC
cord-252871-qfrpuy3t	49	55	cell	cell	NN
cord-252871-qfrpuy3t	49	56	rupture	rupture	NN
cord-252871-qfrpuy3t	49	57	)	)	-RRB-
cord-252871-qfrpuy3t	49	58	and	and	CC
cord-252871-qfrpuy3t	49	59	ignored	ignore	VBN
cord-252871-qfrpuy3t	49	60	in	in	IN
cord-252871-qfrpuy3t	49	61	the	the	DT
cord-252871-qfrpuy3t	49	62	definitions	definition	NNS
cord-252871-qfrpuy3t	49	63	and	and	CC
cord-252871-qfrpuy3t	49	64	descriptions	description	NNS
cord-252871-qfrpuy3t	49	65	of	of	IN
cord-252871-qfrpuy3t	49	66	viruses	virus	NNS
cord-252871-qfrpuy3t	49	67	.	.	.
cord-252871-qfrpuy3t	50	1	As	as	IN
cord-252871-qfrpuy3t	50	2	suggested	suggest	VBN
cord-252871-qfrpuy3t	50	3	by	by	IN
cord-252871-qfrpuy3t	50	4	Jean	Jean	NNP
cord-252871-qfrpuy3t	50	5	-	-	HYPH
cord-252871-qfrpuy3t	50	6	Michel	Michel	NNP
cord-252871-qfrpuy3t	50	7	Claverie	Claverie	NNP
cord-252871-qfrpuy3t	50	8	,	,	,
cord-252871-qfrpuy3t	50	9	virion	virion	NN
cord-252871-qfrpuy3t	50	10	factory	factory	NN
cord-252871-qfrpuy3t	50	11	better	well	RBR
cord-252871-qfrpuy3t	50	12	represents	represent	VBZ
cord-252871-qfrpuy3t	50	13	the	the	DT
cord-252871-qfrpuy3t	50	14	'	'	``
cord-252871-qfrpuy3t	50	15	virus	virus	NN
cord-252871-qfrpuy3t	50	16	self	self	NN
cord-252871-qfrpuy3t	50	17	'	'	''
cord-252871-qfrpuy3t	50	18	and	and	CC
cord-252871-qfrpuy3t	50	19	virions	virion	NNS
cord-252871-qfrpuy3t	50	20	are	be	VBP
cord-252871-qfrpuy3t	50	21	simply	simply	RB
cord-252871-qfrpuy3t	50	22	means	mean	VBZ
cord-252871-qfrpuy3t	50	23	to	to	TO
cord-252871-qfrpuy3t	50	24	disseminate	disseminate	VB
cord-252871-qfrpuy3t	50	25	genetic	genetic	JJ
cord-252871-qfrpuy3t	50	26	information	information	NN
cord-252871-qfrpuy3t	50	27	much	much	JJ
cord-252871-qfrpuy3t	50	28	like	like	IN
cord-252871-qfrpuy3t	50	29	human	human	JJ
cord-252871-qfrpuy3t	50	30	gametes	gamete	NNS
cord-252871-qfrpuy3t	50	31	and	and	CC
cord-252871-qfrpuy3t	50	32	plant	plant	NN
cord-252871-qfrpuy3t	50	33	seeds	seed	NNS
cord-252871-qfrpuy3t	50	34	[	[	-LRB-
cord-252871-qfrpuy3t	50	35	12	12	CD
cord-252871-qfrpuy3t	50	36	]	]	-RRB-
cord-252871-qfrpuy3t	50	37	.	.	.
cord-252871-qfrpuy3t	51	1	In	in	IN
cord-252871-qfrpuy3t	51	2	other	other	JJ
cord-252871-qfrpuy3t	51	3	words	word	NNS
cord-252871-qfrpuy3t	51	4	,	,	,
cord-252871-qfrpuy3t	51	5	we	-PRON-	PRP
cord-252871-qfrpuy3t	51	6	should	should	MD
cord-252871-qfrpuy3t	51	7	depart	depart	VB
cord-252871-qfrpuy3t	51	8	from	from	IN
cord-252871-qfrpuy3t	51	9	the	the	DT
cord-252871-qfrpuy3t	51	10	established	establish	VBN
cord-252871-qfrpuy3t	51	11	usage	usage	NN
cord-252871-qfrpuy3t	51	12	of	of	IN
cord-252871-qfrpuy3t	51	13	the	the	DT
cord-252871-qfrpuy3t	51	14	word	word	NN
cord-252871-qfrpuy3t	51	15	'	'	``
cord-252871-qfrpuy3t	51	16	virus	virus	NN
cord-252871-qfrpuy3t	51	17	'	'	''
cord-252871-qfrpuy3t	51	18	as	as	IN
cord-252871-qfrpuy3t	51	19	being	be	VBG
cord-252871-qfrpuy3t	51	20	synonymous	synonymous	JJ
cord-252871-qfrpuy3t	51	21	to	to	IN
cord-252871-qfrpuy3t	51	22	'	'	``
cord-252871-qfrpuy3t	51	23	virion	virion	NN
cord-252871-qfrpuy3t	51	24	'	'	''
cord-252871-qfrpuy3t	51	25	.	.	.
cord-252871-qfrpuy3t	52	1	The	the	DT
cord-252871-qfrpuy3t	52	2	term	term	NN
cord-252871-qfrpuy3t	52	3	'	'	``
cord-252871-qfrpuy3t	52	4	virus	virus	NN
cord-252871-qfrpuy3t	52	5	'	'	''
cord-252871-qfrpuy3t	52	6	should	should	MD
cord-252871-qfrpuy3t	52	7	refer	refer	VB
cord-252871-qfrpuy3t	52	8	to	to	IN
cord-252871-qfrpuy3t	52	9	the	the	DT
cord-252871-qfrpuy3t	52	10	process	process	NN
cord-252871-qfrpuy3t	52	11	encompassing	encompass	VBG
cord-252871-qfrpuy3t	52	12	all	all	DT
cord-252871-qfrpuy3t	52	13	phases	phase	NNS
cord-252871-qfrpuy3t	52	14	of	of	IN
cord-252871-qfrpuy3t	52	15	the	the	DT
cord-252871-qfrpuy3t	52	16	virus	virus	NN
cord-252871-qfrpuy3t	52	17	infection	infection	NN
cord-252871-qfrpuy3t	52	18	cycle	cycle	NN
cord-252871-qfrpuy3t	52	19	[	[	-LRB-
cord-252871-qfrpuy3t	52	20	3	3	CD
cord-252871-qfrpuy3t	52	21	]	]	-RRB-
cord-252871-qfrpuy3t	52	22	.	.	.
cord-252871-qfrpuy3t	53	1	In	in	IN
cord-252871-qfrpuy3t	53	2	this	this	DT
cord-252871-qfrpuy3t	53	3	context	context	NN
cord-252871-qfrpuy3t	53	4	,	,	,
cord-252871-qfrpuy3t	53	5	questioning	question	VBG
cord-252871-qfrpuy3t	53	6	the	the	DT
cord-252871-qfrpuy3t	53	7	origin	origin	NN
cord-252871-qfrpuy3t	53	8	of	of	IN
cord-252871-qfrpuy3t	53	9	'	'	``
cord-252871-qfrpuy3t	53	10	viruses	virus	NNS
cord-252871-qfrpuy3t	53	11	'	'	''
cord-252871-qfrpuy3t	53	12	takes	take	VBZ
cord-252871-qfrpuy3t	53	13	a	a	DT
cord-252871-qfrpuy3t	53	14	completely	completely	RB
cord-252871-qfrpuy3t	53	15	different	different	JJ
cord-252871-qfrpuy3t	53	16	and	and	CC
cord-252871-qfrpuy3t	53	17	much	much	RB
cord-252871-qfrpuy3t	53	18	broader	broad	JJR
cord-252871-qfrpuy3t	53	19	meaning	meaning	NN
cord-252871-qfrpuy3t	53	20	than	than	IN
cord-252871-qfrpuy3t	53	21	simply	simply	RB
cord-252871-qfrpuy3t	53	22	questioning	question	VBG
cord-252871-qfrpuy3t	53	23	the	the	DT
cord-252871-qfrpuy3t	53	24	origin	origin	NN
cord-252871-qfrpuy3t	53	25	of	of	IN
cord-252871-qfrpuy3t	53	26	the	the	DT
cord-252871-qfrpuy3t	53	27	virus	virus	NN
cord-252871-qfrpuy3t	53	28	particles	particle	NNS
cord-252871-qfrpuy3t	53	29	[	[	-LRB-
cord-252871-qfrpuy3t	53	30	2	2	CD
cord-252871-qfrpuy3t	53	31	,	,	,
cord-252871-qfrpuy3t	53	32	11	11	CD
cord-252871-qfrpuy3t	53	33	,	,	,
cord-252871-qfrpuy3t	53	34	13	13	CD
cord-252871-qfrpuy3t	53	35	,	,	,
cord-252871-qfrpuy3t	53	36	16	16	CD
cord-252871-qfrpuy3t	53	37	]	]	-RRB-
cord-252871-qfrpuy3t	53	38	.	.	.
cord-252871-qfrpuy3t	54	1	The	the	DT
cord-252871-qfrpuy3t	54	2	virion	virion	NN
cord-252871-qfrpuy3t	54	3	-	-	:
cord-252871-qfrpuy3t	54	4	and	and	CC
cord-252871-qfrpuy3t	54	5	host	host	NN
cord-252871-qfrpuy3t	54	6	-	-	HYPH
cord-252871-qfrpuy3t	54	7	centric	centric	NN
cord-252871-qfrpuy3t	54	8	virus	virus	NN
cord-252871-qfrpuy3t	54	9	definitions	definition	NNS
cord-252871-qfrpuy3t	54	10	can	can	MD
cord-252871-qfrpuy3t	54	11	cause	cause	VB
cord-252871-qfrpuy3t	54	12	ambiguities	ambiguity	NNS
cord-252871-qfrpuy3t	54	13	in	in	IN
cord-252871-qfrpuy3t	54	14	distinguishing	distinguish	VBG
cord-252871-qfrpuy3t	54	15	different	different	JJ
cord-252871-qfrpuy3t	54	16	viral	viral	JJ
cord-252871-qfrpuy3t	54	17	lineages	lineage	NNS
cord-252871-qfrpuy3t	54	18	and	and	CC
cord-252871-qfrpuy3t	54	19	even	even	RB
cord-252871-qfrpuy3t	54	20	viruses	virus	NNS
cord-252871-qfrpuy3t	54	21	from	from	IN
cord-252871-qfrpuy3t	54	22	cellular	cellular	JJ
cord-252871-qfrpuy3t	54	23	organisms	organism	NNS
cord-252871-qfrpuy3t	54	24	.	.	.
cord-252871-qfrpuy3t	55	1	For	for	IN
cord-252871-qfrpuy3t	55	2	example	example	NN
cord-252871-qfrpuy3t	55	3	,	,	,
cord-252871-qfrpuy3t	55	4	Forterre	Forterre	NNP
cord-252871-qfrpuy3t	55	5	recently	recently	RB
cord-252871-qfrpuy3t	55	6	proposed	propose	VBD
cord-252871-qfrpuy3t	55	7	to	to	TO
cord-252871-qfrpuy3t	55	8	redefine	redefine	VB
cord-252871-qfrpuy3t	55	9	viruses	virus	NNS
cord-252871-qfrpuy3t	55	10	as	as	IN
cord-252871-qfrpuy3t	55	11	'	'	``
cord-252871-qfrpuy3t	55	12	capsid	capsid	NN
cord-252871-qfrpuy3t	55	13	-	-	HYPH
cord-252871-qfrpuy3t	55	14	encoding	encode	VBG
cord-252871-qfrpuy3t	55	15	organisms	organism	NNS
cord-252871-qfrpuy3t	55	16	'	'	''
cord-252871-qfrpuy3t	55	17	[	[	-LRB-
cord-252871-qfrpuy3t	55	18	22	22	CD
cord-252871-qfrpuy3t	55	19	]	]	-RRB-
cord-252871-qfrpuy3t	55	20	and	and	CC
cord-252871-qfrpuy3t	55	21	later	later	RB
cord-252871-qfrpuy3t	55	22	as	as	IN
cord-252871-qfrpuy3t	55	23	'	'	``
cord-252871-qfrpuy3t	55	24	virion	virion	NN
cord-252871-qfrpuy3t	55	25	-	-	HYPH
cord-252871-qfrpuy3t	55	26	encoding	encode	VBG
cord-252871-qfrpuy3t	55	27	organisms	organism	NNS
cord-252871-qfrpuy3t	55	28	'	'	POS
cord-252871-qfrpuy3t	55	29	[	[	-LRB-
cord-252871-qfrpuy3t	55	30	2	2	CD
cord-252871-qfrpuy3t	55	31	]	]	-RRB-
cord-252871-qfrpuy3t	55	32	.	.	.
cord-252871-qfrpuy3t	56	1	Both	both	DT
cord-252871-qfrpuy3t	56	2	definitions	definition	NNS
cord-252871-qfrpuy3t	56	3	recognize	recognize	VBP
cord-252871-qfrpuy3t	56	4	viruses	virus	NNS
cord-252871-qfrpuy3t	56	5	as	as	IN
cord-252871-qfrpuy3t	56	6	'	'	``
cord-252871-qfrpuy3t	56	7	organisms	organism	NNS
cord-252871-qfrpuy3t	56	8	'	'	''
cord-252871-qfrpuy3t	56	9	that	that	WDT
cord-252871-qfrpuy3t	56	10	produce	produce	VBP
cord-252871-qfrpuy3t	56	11	capsids	capsid	NNS
cord-252871-qfrpuy3t	56	12	/	/	SYM
cord-252871-qfrpuy3t	56	13	virions	virion	NNS
cord-252871-qfrpuy3t	56	14	and	and	CC
cord-252871-qfrpuy3t	56	15	rightly	rightly	RB
cord-252871-qfrpuy3t	56	16	put	put	VB
cord-252871-qfrpuy3t	56	17	emphasis	emphasis	NN
cord-252871-qfrpuy3t	56	18	back	back	RB
cord-252871-qfrpuy3t	56	19	on	on	IN
cord-252871-qfrpuy3t	56	20	the	the	DT
cord-252871-qfrpuy3t	56	21	intracellular	intracellular	JJ
cord-252871-qfrpuy3t	56	22	stage	stage	NN
cord-252871-qfrpuy3t	56	23	of	of	IN
cord-252871-qfrpuy3t	56	24	virus	virus	NN
cord-252871-qfrpuy3t	56	25	infection	infection	NN
cord-252871-qfrpuy3t	56	26	cycle	cycle	NN
cord-252871-qfrpuy3t	56	27	.	.	.
cord-252871-qfrpuy3t	57	1	However	however	RB
cord-252871-qfrpuy3t	57	2	,	,	,
cord-252871-qfrpuy3t	57	3	these	these	DT
cord-252871-qfrpuy3t	57	4	views	view	NNS
cord-252871-qfrpuy3t	57	5	suffer	suffer	VBP
cord-252871-qfrpuy3t	57	6	from	from	IN
cord-252871-qfrpuy3t	57	7	our	-PRON-	PRP$
cord-252871-qfrpuy3t	57	8	'	'	``
cord-252871-qfrpuy3t	57	9	human	human	JJ
cord-252871-qfrpuy3t	57	10	'	'	''
cord-252871-qfrpuy3t	57	11	habit	habit	NN
cord-252871-qfrpuy3t	57	12	of	of	IN
cord-252871-qfrpuy3t	57	13	classifying	classify	VBG
cord-252871-qfrpuy3t	57	14	biological	biological	JJ
cord-252871-qfrpuy3t	57	15	entities	entity	NNS
cord-252871-qfrpuy3t	57	16	based	base	VBN
cord-252871-qfrpuy3t	57	17	on	on	IN
cord-252871-qfrpuy3t	57	18	the	the	DT
cord-252871-qfrpuy3t	57	19	presence	presence	NN
cord-252871-qfrpuy3t	57	20	/	/	SYM
cord-252871-qfrpuy3t	57	21	absence	absence	NN
cord-252871-qfrpuy3t	57	22	or	or	CC
cord-252871-qfrpuy3t	57	23	contrast	contrast	NN
cord-252871-qfrpuy3t	57	24	of	of	IN
cord-252871-qfrpuy3t	57	25	physical	physical	JJ
cord-252871-qfrpuy3t	57	26	and	and	CC
cord-252871-qfrpuy3t	57	27	genetic	genetic	JJ
cord-252871-qfrpuy3t	57	28	features	feature	NNS
cord-252871-qfrpuy3t	57	29	.	.	.
cord-252871-qfrpuy3t	58	1	As	as	IN
cord-252871-qfrpuy3t	58	2	we	-PRON-	PRP
cord-252871-qfrpuy3t	58	3	discuss	discuss	VBP
cord-252871-qfrpuy3t	58	4	later	later	RB
cord-252871-qfrpuy3t	58	5	,	,	,
cord-252871-qfrpuy3t	58	6	such	such	JJ
cord-252871-qfrpuy3t	58	7	definitions	definition	NNS
cord-252871-qfrpuy3t	58	8	rarely	rarely	RB
cord-252871-qfrpuy3t	58	9	withstand	withstand	VBP
cord-252871-qfrpuy3t	58	10	the	the	DT
cord-252871-qfrpuy3t	58	11	test	test	NN
cord-252871-qfrpuy3t	58	12	of	of	IN
cord-252871-qfrpuy3t	58	13	time	time	NN
cord-252871-qfrpuy3t	58	14	and	and	CC
cord-252871-qfrpuy3t	58	15	are	be	VBP
cord-252871-qfrpuy3t	58	16	vulnerable	vulnerable	JJ
cord-252871-qfrpuy3t	58	17	to	to	TO
cord-252871-qfrpuy3t	58	18	change	change	VB
cord-252871-qfrpuy3t	58	19	with	with	IN
cord-252871-qfrpuy3t	58	20	new	new	JJ
cord-252871-qfrpuy3t	58	21	discoveries	discovery	NNS
cord-252871-qfrpuy3t	58	22	.	.	.
cord-252871-qfrpuy3t	59	1	For	for	IN
cord-252871-qfrpuy3t	59	2	example	example	NN
cord-252871-qfrpuy3t	59	3	,	,	,
cord-252871-qfrpuy3t	59	4	viruses	virus	NNS
cord-252871-qfrpuy3t	59	5	were	be	VBD
cord-252871-qfrpuy3t	59	6	long	long	RB
cord-252871-qfrpuy3t	59	7	considered	consider	VBN
cord-252871-qfrpuy3t	59	8	tiny	tiny	JJ
cord-252871-qfrpuy3t	59	9	and	and	CC
cord-252871-qfrpuy3t	59	10	submicroscopic	submicroscopic	JJ
cord-252871-qfrpuy3t	59	11	biological	biological	JJ
cord-252871-qfrpuy3t	59	12	entities	entity	NNS
cord-252871-qfrpuy3t	59	13	(	(	-LRB-
cord-252871-qfrpuy3t	59	14	properties	property	NNS
cord-252871-qfrpuy3t	59	15	that	that	WDT
cord-252871-qfrpuy3t	59	16	describe	describe	VBP
cord-252871-qfrpuy3t	59	17	virions	virion	NNS
cord-252871-qfrpuy3t	59	18	not	not	RB
cord-252871-qfrpuy3t	59	19	viruses	virus	NNS
cord-252871-qfrpuy3t	59	20	!	!	.
cord-252871-qfrpuy3t	59	21	)	)	-RRB-
cord-252871-qfrpuy3t	60	1	before	before	IN
cord-252871-qfrpuy3t	60	2	the	the	DT
cord-252871-qfrpuy3t	60	3	discovery	discovery	NN
cord-252871-qfrpuy3t	60	4	of	of	IN
cord-252871-qfrpuy3t	60	5	'	'	``
cord-252871-qfrpuy3t	60	6	giant	giant	JJ
cord-252871-qfrpuy3t	60	7	viruses	virus	NNS
cord-252871-qfrpuy3t	60	8	'	'	''
cord-252871-qfrpuy3t	60	9	with	with	IN
cord-252871-qfrpuy3t	60	10	genomes	genome	NNS
cord-252871-qfrpuy3t	60	11	and	and	CC
cord-252871-qfrpuy3t	60	12	virions	virion	NNS
cord-252871-qfrpuy3t	60	13	bigger	big	JJR
cord-252871-qfrpuy3t	60	14	than	than	IN
cord-252871-qfrpuy3t	60	15	the	the	DT
cord-252871-qfrpuy3t	60	16	genomes	genome	NNS
cord-252871-qfrpuy3t	60	17	and	and	CC
cord-252871-qfrpuy3t	60	18	sizes	size	NNS
cord-252871-qfrpuy3t	60	19	of	of	IN
cord-252871-qfrpuy3t	60	20	many	many	JJ
cord-252871-qfrpuy3t	60	21	parasitic	parasitic	JJ
cord-252871-qfrpuy3t	60	22	cells	cell	NNS
cord-252871-qfrpuy3t	60	23	[	[	-LRB-
cord-252871-qfrpuy3t	60	24	23	23	CD
cord-252871-qfrpuy3t	60	25	]	]	-RRB-
cord-252871-qfrpuy3t	60	26	[	[	-LRB-
cord-252871-qfrpuy3t	60	27	24	24	CD
cord-252871-qfrpuy3t	60	28	]	]	-RRB-
cord-252871-qfrpuy3t	60	29	[	[	-LRB-
cord-252871-qfrpuy3t	60	30	25	25	CD
cord-252871-qfrpuy3t	60	31	]	]	-RRB-
cord-252871-qfrpuy3t	60	32	.	.	.
cord-252871-qfrpuy3t	61	1	In	in	IN
cord-252871-qfrpuy3t	61	2	fact	fact	NN
cord-252871-qfrpuy3t	61	3	,	,	,
cord-252871-qfrpuy3t	61	4	holding	hold	VBG
cord-252871-qfrpuy3t	61	5	onto	onto	IN
cord-252871-qfrpuy3t	61	6	the	the	DT
cord-252871-qfrpuy3t	61	7	century	century	NN
cord-252871-qfrpuy3t	61	8	-	-	HYPH
cord-252871-qfrpuy3t	61	9	old	old	JJ
cord-252871-qfrpuy3t	61	10	size	size	NN
cord-252871-qfrpuy3t	61	11	/	/	SYM
cord-252871-qfrpuy3t	61	12	shape	shape	NN
cord-252871-qfrpuy3t	61	13	virion	virion	NN
cord-252871-qfrpuy3t	61	14	-	-	HYPH
cord-252871-qfrpuy3t	61	15	centric	centric	NN
cord-252871-qfrpuy3t	61	16	definitions	definition	NNS
cord-252871-qfrpuy3t	61	17	delayed	delay	VBD
cord-252871-qfrpuy3t	61	18	the	the	DT
cord-252871-qfrpuy3t	61	19	discovery	discovery	NN
cord-252871-qfrpuy3t	61	20	of	of	IN
cord-252871-qfrpuy3t	61	21	giant	giant	JJ
cord-252871-qfrpuy3t	61	22	viruses	virus	NNS
cord-252871-qfrpuy3t	61	23	by	by	IN
cord-252871-qfrpuy3t	61	24	more	more	JJR
cord-252871-qfrpuy3t	61	25	than	than	IN
cord-252871-qfrpuy3t	61	26	a	a	DT
cord-252871-qfrpuy3t	61	27	decade	decade	NN
cord-252871-qfrpuy3t	61	28	.	.	.
cord-252871-qfrpuy3t	62	1	2	2	LS
cord-252871-qfrpuy3t	63	1	Similarly	similarly	RB
cord-252871-qfrpuy3t	63	2	,	,	,
cord-252871-qfrpuy3t	63	3	some	some	DT
cord-252871-qfrpuy3t	63	4	scientists	scientist	NNS
cord-252871-qfrpuy3t	63	5	consider	consider	VBP
cord-252871-qfrpuy3t	63	6	viruses	virus	NNS
cord-252871-qfrpuy3t	63	7	'	'	POS
cord-252871-qfrpuy3t	63	8	non	non	JJ
cord-252871-qfrpuy3t	63	9	-	-	JJ
cord-252871-qfrpuy3t	63	10	living	living	JJ
cord-252871-qfrpuy3t	63	11	'	'	''
cord-252871-qfrpuy3t	63	12	because	because	IN
cord-252871-qfrpuy3t	63	13	they	-PRON-	PRP
cord-252871-qfrpuy3t	63	14	do	do	VBP
cord-252871-qfrpuy3t	63	15	not	not	RB
cord-252871-qfrpuy3t	63	16	encode	encode	VB
cord-252871-qfrpuy3t	63	17	metabolismrelated	metabolismrelated	JJ
cord-252871-qfrpuy3t	63	18	genes	gene	NNS
cord-252871-qfrpuy3t	63	19	[	[	-LRB-
cord-252871-qfrpuy3t	63	20	1	1	CD
cord-252871-qfrpuy3t	63	21	]	]	-RRB-
cord-252871-qfrpuy3t	63	22	.	.	.
cord-252871-qfrpuy3t	64	1	However	however	RB
cord-252871-qfrpuy3t	64	2	,	,	,
cord-252871-qfrpuy3t	64	3	this	this	DT
cord-252871-qfrpuy3t	64	4	feature	feature	NN
cord-252871-qfrpuy3t	64	5	is	be	VBZ
cord-252871-qfrpuy3t	64	6	neither	neither	CC
cord-252871-qfrpuy3t	64	7	unique	unique	JJ
cord-252871-qfrpuy3t	64	8	nor	nor	CC
cord-252871-qfrpuy3t	64	9	common	common	JJ
cord-252871-qfrpuy3t	64	10	to	to	IN
cord-252871-qfrpuy3t	64	11	all	all	DT
cord-252871-qfrpuy3t	64	12	viruses	virus	NNS
cord-252871-qfrpuy3t	64	13	.	.	.
cord-252871-qfrpuy3t	65	1	Many	many	JJ
cord-252871-qfrpuy3t	65	2	endosymbiotic	endosymbiotic	JJ
cord-252871-qfrpuy3t	65	3	cellular	cellular	JJ
cord-252871-qfrpuy3t	65	4	organisms	organism	NNS
cord-252871-qfrpuy3t	65	5	are	be	VBP
cord-252871-qfrpuy3t	65	6	also	also	RB
cord-252871-qfrpuy3t	65	7	characterized	characterize	VBN
cord-252871-qfrpuy3t	65	8	by	by	IN
cord-252871-qfrpuy3t	65	9	extremely	extremely	RB
cord-252871-qfrpuy3t	65	10	reduced	reduce	VBN
cord-252871-qfrpuy3t	65	11	metabolic	metabolic	JJ
cord-252871-qfrpuy3t	65	12	and	and	CC
cord-252871-qfrpuy3t	65	13	translational	translational	JJ
cord-252871-qfrpuy3t	65	14	machineries	machinery	NNS
cord-252871-qfrpuy3t	65	15	[	[	-LRB-
cord-252871-qfrpuy3t	65	16	26	26	CD
cord-252871-qfrpuy3t	65	17	]	]	-RRB-
cord-252871-qfrpuy3t	65	18	[	[	-LRB-
cord-252871-qfrpuy3t	65	19	27	27	CD
cord-252871-qfrpuy3t	65	20	]	]	-RRB-
cord-252871-qfrpuy3t	65	21	[	[	-LRB-
cord-252871-qfrpuy3t	65	22	28	28	CD
cord-252871-qfrpuy3t	65	23	]	]	-RRB-
cord-252871-qfrpuy3t	65	24	,	,	,
cord-252871-qfrpuy3t	65	25	and	and	CC
cord-252871-qfrpuy3t	65	26	recent	recent	JJ
cord-252871-qfrpuy3t	65	27	metagenomic	metagenomic	NN
cord-252871-qfrpuy3t	65	28	surveys	survey	NNS
cord-252871-qfrpuy3t	65	29	have	have	VBP
cord-252871-qfrpuy3t	65	30	verified	verify	VBN
cord-252871-qfrpuy3t	65	31	the	the	DT
cord-252871-qfrpuy3t	65	32	existence	existence	NN
cord-252871-qfrpuy3t	65	33	of	of	IN
cord-252871-qfrpuy3t	65	34	several	several	JJ
cord-252871-qfrpuy3t	65	35	,	,	,
cord-252871-qfrpuy3t	65	36	and	and	CC
cord-252871-qfrpuy3t	65	37	likely	likely	RB
cord-252871-qfrpuy3t	65	38	very	very	RB
cord-252871-qfrpuy3t	65	39	ancient	ancient	JJ
cord-252871-qfrpuy3t	65	40	,	,	,
cord-252871-qfrpuy3t	65	41	metabolic	metabolic	JJ
cord-252871-qfrpuy3t	65	42	genes	gene	NNS
cord-252871-qfrpuy3t	65	43	in	in	IN
cord-252871-qfrpuy3t	65	44	the	the	DT
cord-252871-qfrpuy3t	65	45	genomes	genome	NNS
cord-252871-qfrpuy3t	65	46	of	of	IN
cord-252871-qfrpuy3t	65	47	giant	giant	JJ
cord-252871-qfrpuy3t	65	48	viruses	virus	NNS
cord-252871-qfrpuy3t	65	49	[	[	-LRB-
cord-252871-qfrpuy3t	65	50	7	7	CD
cord-252871-qfrpuy3t	65	51	]	]	-RRB-
cord-252871-qfrpuy3t	65	52	.	.	.
cord-252871-qfrpuy3t	66	1	These	these	DT
cord-252871-qfrpuy3t	66	2	genes	gene	NNS
cord-252871-qfrpuy3t	66	3	likely	likely	RB
cord-252871-qfrpuy3t	66	4	help	help	VBP
cord-252871-qfrpuy3t	66	5	reconfigure	reconfigure	VB
cord-252871-qfrpuy3t	66	6	the	the	DT
cord-252871-qfrpuy3t	66	7	metabolism	metabolism	NN
cord-252871-qfrpuy3t	66	8	of	of	IN
cord-252871-qfrpuy3t	66	9	infected	infected	JJ
cord-252871-qfrpuy3t	66	10	cells	cell	NNS
cord-252871-qfrpuy3t	66	11	during	during	IN
cord-252871-qfrpuy3t	66	12	virus	virus	NN
cord-252871-qfrpuy3t	66	13	infection	infection	NN
cord-252871-qfrpuy3t	66	14	[	[	-LRB-
cord-252871-qfrpuy3t	66	15	7	7	CD
cord-252871-qfrpuy3t	66	16	]	]	-RRB-
cord-252871-qfrpuy3t	66	17	.	.	.
cord-252871-qfrpuy3t	67	1	Endosymbiosis	endosymbiosis	NN
cord-252871-qfrpuy3t	67	2	:	:	:
cord-252871-qfrpuy3t	67	3	the	the	DT
cord-252871-qfrpuy3t	67	4	intimate	intimate	JJ
cord-252871-qfrpuy3t	67	5	existence	existence	NN
cord-252871-qfrpuy3t	67	6	of	of	IN
cord-252871-qfrpuy3t	67	7	organisms	organism	NNS
cord-252871-qfrpuy3t	67	8	inside	inside	IN
cord-252871-qfrpuy3t	67	9	the	the	DT
cord-252871-qfrpuy3t	67	10	cells	cell	NNS
cord-252871-qfrpuy3t	67	11	or	or	CC
cord-252871-qfrpuy3t	67	12	body	body	NN
cord-252871-qfrpuy3t	67	13	of	of	IN
cord-252871-qfrpuy3t	67	14	other	other	JJ
cord-252871-qfrpuy3t	67	15	organisms	organism	NNS
cord-252871-qfrpuy3t	67	16	.	.	.
cord-252871-qfrpuy3t	68	1	Notable	notable	JJ
cord-252871-qfrpuy3t	68	2	examples	example	NNS
cord-252871-qfrpuy3t	68	3	include	include	VBP
cord-252871-qfrpuy3t	68	4	endosymbiosis	endosymbiosis	NN
cord-252871-qfrpuy3t	68	5	of	of	IN
cord-252871-qfrpuy3t	68	6	the	the	DT
cord-252871-qfrpuy3t	68	7	ancestors	ancestor	NNS
cord-252871-qfrpuy3t	68	8	of	of	IN
cord-252871-qfrpuy3t	68	9	mitochondria	mitochondrion	NNS
cord-252871-qfrpuy3t	68	10	and	and	CC
cord-252871-qfrpuy3t	68	11	chloroplasts	chloroplast	NNS
cord-252871-qfrpuy3t	68	12	by	by	IN
cord-252871-qfrpuy3t	68	13	proto	proto	NN
cord-252871-qfrpuy3t	68	14	-	-	NNS
cord-252871-qfrpuy3t	68	15	eukaryotes	eukaryote	NNS
cord-252871-qfrpuy3t	68	16	or	or	CC
cord-252871-qfrpuy3t	68	17	the	the	DT
cord-252871-qfrpuy3t	68	18	ancestors	ancestor	NNS
cord-252871-qfrpuy3t	68	19	of	of	IN
cord-252871-qfrpuy3t	68	20	eukaryotes	eukaryote	NNS
cord-252871-qfrpuy3t	68	21	.	.	.
cord-252871-qfrpuy3t	69	1	Last	last	JJ
cord-252871-qfrpuy3t	69	2	universal	universal	JJ
cord-252871-qfrpuy3t	69	3	common	common	JJ
cord-252871-qfrpuy3t	69	4	ancestor	ancestor	NN
cord-252871-qfrpuy3t	69	5	(	(	-LRB-
cord-252871-qfrpuy3t	69	6	LUCA	LUCA	NNP
cord-252871-qfrpuy3t	69	7	)	)	-RRB-
cord-252871-qfrpuy3t	69	8	:	:	:
cord-252871-qfrpuy3t	69	9	the	the	DT
cord-252871-qfrpuy3t	69	10	common	common	JJ
cord-252871-qfrpuy3t	69	11	ancestor	ancestor	NN
cord-252871-qfrpuy3t	69	12	of	of	IN
cord-252871-qfrpuy3t	69	13	modern	modern	JJ
cord-252871-qfrpuy3t	69	14	cells	cell	NNS
cord-252871-qfrpuy3t	69	15	,	,	,
cord-252871-qfrpuy3t	69	16	Archaea	Archaea	NNP
cord-252871-qfrpuy3t	69	17	,	,	,
cord-252871-qfrpuy3t	69	18	Bacteria	Bacteria	NNPS
cord-252871-qfrpuy3t	69	19	,	,	,
cord-252871-qfrpuy3t	69	20	and	and	CC
cord-252871-qfrpuy3t	69	21	Eukarya	Eukarya	NNP
cord-252871-qfrpuy3t	69	22	.	.	.
cord-252871-qfrpuy3t	70	1	LUCA	LUCA	NNP
cord-252871-qfrpuy3t	70	2	was	be	VBD
cord-252871-qfrpuy3t	70	3	not	not	RB
cord-252871-qfrpuy3t	70	4	the	the	DT
cord-252871-qfrpuy3t	70	5	first	first	JJ
cord-252871-qfrpuy3t	70	6	cell	cell	NN
cord-252871-qfrpuy3t	70	7	.	.	.
cord-252871-qfrpuy3t	71	1	It	-PRON-	PRP
cord-252871-qfrpuy3t	71	2	was	be	VBD
cord-252871-qfrpuy3t	71	3	the	the	DT
cord-252871-qfrpuy3t	71	4	last	last	JJ
cord-252871-qfrpuy3t	71	5	population	population	NN
cord-252871-qfrpuy3t	71	6	of	of	IN
cord-252871-qfrpuy3t	71	7	cells	cell	NNS
cord-252871-qfrpuy3t	71	8	that	that	WDT
cord-252871-qfrpuy3t	71	9	diversified	diversify	VBD
cord-252871-qfrpuy3t	71	10	into	into	IN
cord-252871-qfrpuy3t	71	11	modern	modern	JJ
cord-252871-qfrpuy3t	71	12	cells	cell	NNS
cord-252871-qfrpuy3t	71	13	.	.	.
cord-252871-qfrpuy3t	72	1	Orthologous	Orthologous	NNP
cord-252871-qfrpuy3t	72	2	:	:	:
cord-252871-qfrpuy3t	72	3	refers	refer	VBZ
cord-252871-qfrpuy3t	72	4	to	to	IN
cord-252871-qfrpuy3t	72	5	genes	gene	NNS
cord-252871-qfrpuy3t	72	6	that	that	WDT
cord-252871-qfrpuy3t	72	7	diverged	diverge	VBD
cord-252871-qfrpuy3t	72	8	from	from	IN
cord-252871-qfrpuy3t	72	9	the	the	DT
cord-252871-qfrpuy3t	72	10	common	common	JJ
cord-252871-qfrpuy3t	72	11	ancestor	ancestor	NN
cord-252871-qfrpuy3t	72	12	as	as	IN
cord-252871-qfrpuy3t	72	13	a	a	DT
cord-252871-qfrpuy3t	72	14	result	result	NN
cord-252871-qfrpuy3t	72	15	of	of	IN
cord-252871-qfrpuy3t	72	16	speciation	speciation	NN
cord-252871-qfrpuy3t	72	17	.	.	.
cord-252871-qfrpuy3t	73	1	Tree	tree	NN
cord-252871-qfrpuy3t	73	2	of	of	IN
cord-252871-qfrpuy3t	73	3	life	life	NN
cord-252871-qfrpuy3t	73	4	:	:	:
cord-252871-qfrpuy3t	73	5	a	a	DT
cord-252871-qfrpuy3t	73	6	diagram	diagram	NN
cord-252871-qfrpuy3t	73	7	that	that	WDT
cord-252871-qfrpuy3t	73	8	describes	describe	VBZ
cord-252871-qfrpuy3t	73	9	the	the	DT
cord-252871-qfrpuy3t	73	10	evolutionary	evolutionary	JJ
cord-252871-qfrpuy3t	73	11	history	history	NN
cord-252871-qfrpuy3t	73	12	among	among	IN
cord-252871-qfrpuy3t	73	13	modern	modern	JJ
cord-252871-qfrpuy3t	73	14	species	specie	NNS
cord-252871-qfrpuy3t	73	15	using	use	VBG
cord-252871-qfrpuy3t	73	16	the	the	DT
cord-252871-qfrpuy3t	73	17	metaphors	metaphor	NNS
cord-252871-qfrpuy3t	73	18	of	of	IN
cord-252871-qfrpuy3t	73	19	branching	branch	VBG
cord-252871-qfrpuy3t	73	20	patterns	pattern	NNS
cord-252871-qfrpuy3t	73	21	,	,	,
cord-252871-qfrpuy3t	73	22	roots	root	NNS
cord-252871-qfrpuy3t	73	23	,	,	,
cord-252871-qfrpuy3t	73	24	and	and	CC
cord-252871-qfrpuy3t	73	25	leaves	leave	VBZ
cord-252871-qfrpuy3t	73	26	to	to	TO
cord-252871-qfrpuy3t	73	27	represent	represent	VB
cord-252871-qfrpuy3t	73	28	evolutionary	evolutionary	JJ
cord-252871-qfrpuy3t	73	29	relationships	relationship	NNS
cord-252871-qfrpuy3t	73	30	,	,	,
cord-252871-qfrpuy3t	73	31	ancestors	ancestor	NNS
cord-252871-qfrpuy3t	73	32	,	,	,
cord-252871-qfrpuy3t	73	33	and	and	CC
cord-252871-qfrpuy3t	73	34	modern	modern	JJ
cord-252871-qfrpuy3t	73	35	species	specie	NNS
cord-252871-qfrpuy3t	73	36	,	,	,
cord-252871-qfrpuy3t	73	37	respectively	respectively	RB
cord-252871-qfrpuy3t	73	38	.	.	.
cord-252871-qfrpuy3t	74	1	The	the	DT
cord-252871-qfrpuy3t	74	2	topology	topology	NN
cord-252871-qfrpuy3t	74	3	of	of	IN
cord-252871-qfrpuy3t	74	4	the	the	DT
cord-252871-qfrpuy3t	74	5	tree	tree	NN
cord-252871-qfrpuy3t	74	6	of	of	IN
cord-252871-qfrpuy3t	74	7	life	life	NN
cord-252871-qfrpuy3t	74	8	and	and	CC
cord-252871-qfrpuy3t	74	9	the	the	DT
cord-252871-qfrpuy3t	74	10	place	place	NN
cord-252871-qfrpuy3t	74	11	of	of	IN
cord-252871-qfrpuy3t	74	12	viruses	virus	NNS
cord-252871-qfrpuy3t	74	13	in	in	IN
cord-252871-qfrpuy3t	74	14	the	the	DT
cord-252871-qfrpuy3t	74	15	tree	tree	NN
cord-252871-qfrpuy3t	74	16	are	be	VBP
cord-252871-qfrpuy3t	74	17	hotly	hotly	RB
cord-252871-qfrpuy3t	74	18	debated	debate	VBN
cord-252871-qfrpuy3t	74	19	topics	topic	NNS
cord-252871-qfrpuy3t	74	20	.	.	.
cord-252871-qfrpuy3t	75	1	Virion	virion	NN
cord-252871-qfrpuy3t	75	2	:	:	:
cord-252871-qfrpuy3t	75	3	virus	virus	NN
cord-252871-qfrpuy3t	75	4	particle	particle	NN
cord-252871-qfrpuy3t	75	5	that	that	WDT
cord-252871-qfrpuy3t	75	6	can	can	MD
cord-252871-qfrpuy3t	75	7	be	be	VB
cord-252871-qfrpuy3t	75	8	purified	purify	VBN
cord-252871-qfrpuy3t	75	9	and	and	CC
cord-252871-qfrpuy3t	75	10	visualized	visualize	VBN
cord-252871-qfrpuy3t	75	11	.	.	.
cord-252871-qfrpuy3t	76	1	The	the	DT
cord-252871-qfrpuy3t	76	2	core	core	NN
cord-252871-qfrpuy3t	76	3	of	of	IN
cord-252871-qfrpuy3t	76	4	a	a	DT
cord-252871-qfrpuy3t	76	5	virion	virion	NN
cord-252871-qfrpuy3t	76	6	comprises	comprise	VBZ
cord-252871-qfrpuy3t	76	7	the	the	DT
cord-252871-qfrpuy3t	76	8	virus	virus	NN
cord-252871-qfrpuy3t	76	9	nucleic	nucleic	JJ
cord-252871-qfrpuy3t	76	10	acid	acid	NN
cord-252871-qfrpuy3t	76	11	(	(	-LRB-
cord-252871-qfrpuy3t	76	12	DNA	DNA	NNP
cord-252871-qfrpuy3t	76	13	or	or	CC
cord-252871-qfrpuy3t	76	14	RNA	RNA	NNP
cord-252871-qfrpuy3t	76	15	)	)	-RRB-
cord-252871-qfrpuy3t	76	16	enclosed	enclose	VBD
cord-252871-qfrpuy3t	76	17	inside	inside	IN
cord-252871-qfrpuy3t	76	18	a	a	DT
cord-252871-qfrpuy3t	76	19	protein	protein	NN
cord-252871-qfrpuy3t	76	20	shell	shell	NN
cord-252871-qfrpuy3t	76	21	called	call	VBD
cord-252871-qfrpuy3t	76	22	a	a	DT
cord-252871-qfrpuy3t	76	23	capsid	capsid	NN
cord-252871-qfrpuy3t	76	24	.	.	.
cord-252871-qfrpuy3t	77	1	Virion	virion	NN
cord-252871-qfrpuy3t	77	2	factories	factory	NNS
cord-252871-qfrpuy3t	77	3	:	:	:
cord-252871-qfrpuy3t	77	4	intracellular	intracellular	JJ
cord-252871-qfrpuy3t	77	5	compartments	compartment	NNS
cord-252871-qfrpuy3t	77	6	,	,	,
cord-252871-qfrpuy3t	77	7	formed	form	VBN
cord-252871-qfrpuy3t	77	8	inside	inside	RB
cord-252871-qfrpuy3t	77	9	virusinfected	virusinfected	JJ
cord-252871-qfrpuy3t	77	10	cells	cell	NNS
cord-252871-qfrpuy3t	77	11	,	,	,
cord-252871-qfrpuy3t	77	12	that	that	WDT
cord-252871-qfrpuy3t	77	13	increase	increase	VBP
cord-252871-qfrpuy3t	77	14	virus	virus	NN
cord-252871-qfrpuy3t	77	15	replication	replication	NN
cord-252871-qfrpuy3t	77	16	.	.	.
cord-252871-qfrpuy3t	78	1	2	2	LS
cord-252871-qfrpuy3t	79	1	The	the	DT
cord-252871-qfrpuy3t	79	2	first	first	JJ
cord-252871-qfrpuy3t	79	3	giant	giant	JJ
cord-252871-qfrpuy3t	79	4	virus	virus	NN
cord-252871-qfrpuy3t	79	5	,	,	,
cord-252871-qfrpuy3t	79	6	Acanthamoeba	Acanthamoeba	NNP
cord-252871-qfrpuy3t	79	7	polyphaga	polyphaga	NNP
cord-252871-qfrpuy3t	79	8	mimivirusi	mimivirusi	NN
cord-252871-qfrpuy3t	79	9	,	,	,
cord-252871-qfrpuy3t	79	10	was	be	VBD
cord-252871-qfrpuy3t	79	11	initially	initially	RB
cord-252871-qfrpuy3t	79	12	mistaken	mistake	VBN
cord-252871-qfrpuy3t	79	13	for	for	IN
cord-252871-qfrpuy3t	79	14	a	a	DT
cord-252871-qfrpuy3t	79	15	Gram	gram	NN
cord-252871-qfrpuy3t	79	16	-	-	HYPH
cord-252871-qfrpuy3t	79	17	positive	positive	JJ
cord-252871-qfrpuy3t	79	18	bacterium	bacterium	NN
cord-252871-qfrpuy3t	79	19	.	.	.
cord-252871-qfrpuy3t	80	1	It	-PRON-	PRP
cord-252871-qfrpuy3t	80	2	was	be	VBD
cord-252871-qfrpuy3t	80	3	first	first	RB
cord-252871-qfrpuy3t	80	4	discovered	discover	VBN
cord-252871-qfrpuy3t	80	5	in	in	IN
cord-252871-qfrpuy3t	80	6	1992	1992	CD
cord-252871-qfrpuy3t	80	7	during	during	IN
cord-252871-qfrpuy3t	80	8	a	a	DT
cord-252871-qfrpuy3t	80	9	pneumonia	pneumonia	NN
cord-252871-qfrpuy3t	80	10	outbreak	outbreak	NN
cord-252871-qfrpuy3t	80	11	in	in	IN
cord-252871-qfrpuy3t	80	12	Bradford	Bradford	NNP
cord-252871-qfrpuy3t	80	13	,	,	,
cord-252871-qfrpuy3t	80	14	UK	UK	NNP
cord-252871-qfrpuy3t	80	15	and	and	CC
cord-252871-qfrpuy3t	80	16	the	the	DT
cord-252871-qfrpuy3t	80	17	large	large	JJ
cord-252871-qfrpuy3t	80	18	size	size	NN
cord-252871-qfrpuy3t	80	19	of	of	IN
cord-252871-qfrpuy3t	80	20	its	-PRON-	PRP$
cord-252871-qfrpuy3t	80	21	virion	virion	NN
cord-252871-qfrpuy3t	80	22	misled	mislead	VBD
cord-252871-qfrpuy3t	80	23	scientists	scientist	NNS
cord-252871-qfrpuy3t	80	24	to	to	TO
cord-252871-qfrpuy3t	80	25	believe	believe	VB
cord-252871-qfrpuy3t	80	26	that	that	IN
cord-252871-qfrpuy3t	80	27	it	-PRON-	PRP
cord-252871-qfrpuy3t	80	28	must	must	MD
cord-252871-qfrpuy3t	80	29	be	be	VB
cord-252871-qfrpuy3t	80	30	a	a	DT
cord-252871-qfrpuy3t	80	31	bacterium	bacterium	NN
cord-252871-qfrpuy3t	80	32	(	(	-LRB-
cord-252871-qfrpuy3t	80	33	called	call	VBN
cord-252871-qfrpuy3t	80	34	'	'	``
cord-252871-qfrpuy3t	80	35	Bradfordcoccus	Bradfordcoccus	NNP
cord-252871-qfrpuy3t	80	36	'	'	''
cord-252871-qfrpuy3t	80	37	)	)	-RRB-
cord-252871-qfrpuy3t	80	38	.	.	.
cord-252871-qfrpuy3t	81	1	Its	-PRON-	PRP$
cord-252871-qfrpuy3t	81	2	virus	virus	NN
cord-252871-qfrpuy3t	81	3	nature	nature	NN
cord-252871-qfrpuy3t	81	4	was	be	VBD
cord-252871-qfrpuy3t	81	5	finally	finally	RB
cord-252871-qfrpuy3t	81	6	revealed	reveal	VBN
cord-252871-qfrpuy3t	81	7	in	in	IN
cord-252871-qfrpuy3t	81	8	2003	2003	CD
cord-252871-qfrpuy3t	81	9	[	[	-LRB-
cord-252871-qfrpuy3t	81	10	84	84	CD
cord-252871-qfrpuy3t	81	11	]	]	-RRB-
cord-252871-qfrpuy3t	81	12	and	and	CC
cord-252871-qfrpuy3t	81	13	the	the	DT
cord-252871-qfrpuy3t	81	14	virus	virus	NN
cord-252871-qfrpuy3t	81	15	was	be	VBD
cord-252871-qfrpuy3t	81	16	aptly	aptly	RB
cord-252871-qfrpuy3t	81	17	named	name	VBN
cord-252871-qfrpuy3t	81	18	'	'	``
cord-252871-qfrpuy3t	81	19	mimivirus	mimivirus	NNP
cord-252871-qfrpuy3t	81	20	'	'	''
cord-252871-qfrpuy3t	81	21	for	for	IN
cord-252871-qfrpuy3t	81	22	'	'	``
cord-252871-qfrpuy3t	81	23	bacteria	bacteria	NNS
cord-252871-qfrpuy3t	81	24	-	-	HYPH
cord-252871-qfrpuy3t	81	25	mimicking	mimic	VBG
cord-252871-qfrpuy3t	81	26	virus	virus	NN
cord-252871-qfrpuy3t	81	27	'	'	''
cord-252871-qfrpuy3t	81	28	.	.	.
cord-252871-qfrpuy3t	82	1	This	this	DT
cord-252871-qfrpuy3t	82	2	is	be	VBZ
cord-252871-qfrpuy3t	82	3	a	a	DT
cord-252871-qfrpuy3t	82	4	famous	famous	JJ
cord-252871-qfrpuy3t	82	5	example	example	NN
cord-252871-qfrpuy3t	82	6	where	where	WRB
cord-252871-qfrpuy3t	82	7	adhering	adhere	VBG
cord-252871-qfrpuy3t	82	8	to	to	IN
cord-252871-qfrpuy3t	82	9	century	century	NN
cord-252871-qfrpuy3t	82	10	-	-	HYPH
cord-252871-qfrpuy3t	82	11	old	old	JJ
cord-252871-qfrpuy3t	82	12	virion	virion	NN
cord-252871-qfrpuy3t	82	13	and	and	CC
cord-252871-qfrpuy3t	82	14	size	size	NN
cord-252871-qfrpuy3t	82	15	-	-	HYPH
cord-252871-qfrpuy3t	82	16	based	base	VBN
cord-252871-qfrpuy3t	82	17	virus	virus	NN
cord-252871-qfrpuy3t	82	18	definitions	definition	NNS
cord-252871-qfrpuy3t	82	19	delayed	delay	VBD
cord-252871-qfrpuy3t	82	20	a	a	DT
cord-252871-qfrpuy3t	82	21	significant	significant	JJ
cord-252871-qfrpuy3t	82	22	discovery	discovery	NN
cord-252871-qfrpuy3t	82	23	.	.	.
cord-252871-qfrpuy3t	83	1	Using	use	VBG
cord-252871-qfrpuy3t	83	2	virion	virion	NN
cord-252871-qfrpuy3t	83	3	or	or	CC
cord-252871-qfrpuy3t	83	4	capsid	capsid	NN
cord-252871-qfrpuy3t	83	5	to	to	TO
cord-252871-qfrpuy3t	83	6	distinguish	distinguish	VB
cord-252871-qfrpuy3t	83	7	viral	viral	JJ
cord-252871-qfrpuy3t	83	8	lineages	lineage	NNS
cord-252871-qfrpuy3t	83	9	and	and	CC
cord-252871-qfrpuy3t	83	10	viruses	virus	NNS
cord-252871-qfrpuy3t	83	11	from	from	IN
cord-252871-qfrpuy3t	83	12	cells	cell	NNS
cord-252871-qfrpuy3t	83	13	can	can	MD
cord-252871-qfrpuy3t	83	14	generate	generate	VB
cord-252871-qfrpuy3t	83	15	similar	similar	JJ
cord-252871-qfrpuy3t	83	16	confusions	confusion	NNS
cord-252871-qfrpuy3t	83	17	.	.	.
cord-252871-qfrpuy3t	84	1	For	for	IN
cord-252871-qfrpuy3t	84	2	example	example	NN
cord-252871-qfrpuy3t	84	3	,	,	,
cord-252871-qfrpuy3t	84	4	it	-PRON-	PRP
cord-252871-qfrpuy3t	84	5	can	can	MD
cord-252871-qfrpuy3t	84	6	complicate	complicate	VB
cord-252871-qfrpuy3t	84	7	classifications	classification	NNS
cord-252871-qfrpuy3t	84	8	for	for	IN
cord-252871-qfrpuy3t	84	9	virus	virus	NN
cord-252871-qfrpuy3t	84	10	-	-	HYPH
cord-252871-qfrpuy3t	84	11	like	like	JJ
cord-252871-qfrpuy3t	84	12	genetic	genetic	JJ
cord-252871-qfrpuy3t	84	13	elements	element	NNS
cord-252871-qfrpuy3t	84	14	and	and	CC
cord-252871-qfrpuy3t	84	15	viruses	virus	NNS
cord-252871-qfrpuy3t	84	16	that	that	WDT
cord-252871-qfrpuy3t	84	17	either	either	CC
cord-252871-qfrpuy3t	84	18	lack	lack	JJ
cord-252871-qfrpuy3t	84	19	virions	virion	NNS
cord-252871-qfrpuy3t	84	20	(	(	-LRB-
cord-252871-qfrpuy3t	84	21	e.g.	e.g.	RB
cord-252871-qfrpuy3t	84	22	,	,	,
cord-252871-qfrpuy3t	84	23	plasmids	plasmid	NNS
cord-252871-qfrpuy3t	84	24	,	,	,
cord-252871-qfrpuy3t	84	25	viroids	viroid	NNS
cord-252871-qfrpuy3t	84	26	[	[	-LRB-
cord-252871-qfrpuy3t	84	27	29	29	CD
cord-252871-qfrpuy3t	84	28	]	]	-RRB-
cord-252871-qfrpuy3t	84	29	)	)	-RRB-
cord-252871-qfrpuy3t	84	30	or	or	CC
cord-252871-qfrpuy3t	84	31	encode	encode	VB
cord-252871-qfrpuy3t	84	32	only	only	RB
cord-252871-qfrpuy3t	84	33	part	part	NN
cord-252871-qfrpuy3t	84	34	of	of	IN
cord-252871-qfrpuy3t	84	35	the	the	DT
cord-252871-qfrpuy3t	84	36	virion	virion	NN
cord-252871-qfrpuy3t	84	37	(	(	-LRB-
cord-252871-qfrpuy3t	84	38	e.g.	e.g.	RB
cord-252871-qfrpuy3t	84	39	,	,	,
cord-252871-qfrpuy3t	84	40	polydnaviruses	polydnaviruse	NNS
cord-252871-qfrpuy3t	84	41	)	)	-RRB-
cord-252871-qfrpuy3t	84	42	.	.	.
cord-252871-qfrpuy3t	85	1	For	for	IN
cord-252871-qfrpuy3t	85	2	example	example	NN
cord-252871-qfrpuy3t	85	3	,	,	,
cord-252871-qfrpuy3t	85	4	the	the	DT
cord-252871-qfrpuy3t	85	5	genome	genome	NN
cord-252871-qfrpuy3t	85	6	of	of	IN
cord-252871-qfrpuy3t	85	7	polydnaviruses	polydnaviruse	NNS
cord-252871-qfrpuy3t	85	8	is	be	VBZ
cord-252871-qfrpuy3t	85	9	dispersed	disperse	VBN
cord-252871-qfrpuy3t	85	10	within	within	IN
cord-252871-qfrpuy3t	85	11	the	the	DT
cord-252871-qfrpuy3t	85	12	genome	genome	NN
cord-252871-qfrpuy3t	85	13	of	of	IN
cord-252871-qfrpuy3t	85	14	parasitoid	parasitoid	NN
cord-252871-qfrpuy3t	85	15	wasps	wasp	NNS
cord-252871-qfrpuy3t	85	16	.	.	.
cord-252871-qfrpuy3t	86	1	The	the	DT
cord-252871-qfrpuy3t	86	2	polydnavirus	polydnavirus	NN
cord-252871-qfrpuy3t	86	3	-	-	HYPH
cord-252871-qfrpuy3t	86	4	associated	associate	VBN
cord-252871-qfrpuy3t	86	5	wasps	wasp	NNS
cord-252871-qfrpuy3t	86	6	encode	encode	VBP
cord-252871-qfrpuy3t	86	7	the	the	DT
cord-252871-qfrpuy3t	86	8	virion	virion	NN
cord-252871-qfrpuy3t	86	9	packaging	packaging	NN
cord-252871-qfrpuy3t	86	10	system	system	NN
cord-252871-qfrpuy3t	86	11	and	and	CC
cord-252871-qfrpuy3t	86	12	utilize	utilize	VB
cord-252871-qfrpuy3t	86	13	virions	virion	NNS
cord-252871-qfrpuy3t	86	14	as	as	IN
cord-252871-qfrpuy3t	86	15	gene	gene	NN
cord-252871-qfrpuy3t	86	16	delivery	delivery	NN
cord-252871-qfrpuy3t	86	17	vectors	vector	NNS
cord-252871-qfrpuy3t	86	18	to	to	TO
cord-252871-qfrpuy3t	86	19	infect	infect	VB
cord-252871-qfrpuy3t	86	20	caterpillars	caterpillar	NNS
cord-252871-qfrpuy3t	86	21	[	[	-LRB-
cord-252871-qfrpuy3t	86	22	30	30	CD
cord-252871-qfrpuy3t	86	23	]	]	-RRB-
cord-252871-qfrpuy3t	86	24	.	.	.
cord-252871-qfrpuy3t	87	1	Since	since	IN
cord-252871-qfrpuy3t	87	2	the	the	DT
cord-252871-qfrpuy3t	87	3	virion	virion	NN
cord-252871-qfrpuy3t	87	4	is	be	VBZ
cord-252871-qfrpuy3t	87	5	encoded	encode	VBN
cord-252871-qfrpuy3t	87	6	by	by	IN
cord-252871-qfrpuy3t	87	7	the	the	DT
cord-252871-qfrpuy3t	87	8	wasp	wasp	NN
cord-252871-qfrpuy3t	87	9	genome	genome	NN
cord-252871-qfrpuy3t	87	10	,	,	,
cord-252871-qfrpuy3t	87	11	polydnavirus	polydnavirus	NNP
cord-252871-qfrpuy3t	87	12	-	-	HYPH
cord-252871-qfrpuy3t	87	13	associated	associate	VBN
cord-252871-qfrpuy3t	87	14	wasps	wasp	NNS
cord-252871-qfrpuy3t	87	15	may	may	MD
cord-252871-qfrpuy3t	87	16	better	well	RBR
cord-252871-qfrpuy3t	87	17	resemble	resemble	VB
cord-252871-qfrpuy3t	87	18	virionencoding	virionencode	VBG
cord-252871-qfrpuy3t	87	19	organisms	organism	NNS
cord-252871-qfrpuy3t	87	20	under	under	IN
cord-252871-qfrpuy3t	87	21	the	the	DT
cord-252871-qfrpuy3t	87	22	virion	virion	NN
cord-252871-qfrpuy3t	87	23	-	-	HYPH
cord-252871-qfrpuy3t	87	24	centric	centric	NN
cord-252871-qfrpuy3t	87	25	definition	definition	NN
cord-252871-qfrpuy3t	87	26	[	[	-LRB-
cord-252871-qfrpuy3t	87	27	31	31	CD
cord-252871-qfrpuy3t	87	28	]	]	-RRB-
cord-252871-qfrpuy3t	87	29	.	.	.
cord-252871-qfrpuy3t	88	1	Similarly	similarly	RB
cord-252871-qfrpuy3t	88	2	,	,	,
cord-252871-qfrpuy3t	88	3	virus	virus	NN
cord-252871-qfrpuy3t	88	4	-	-	HYPH
cord-252871-qfrpuy3t	88	5	infected	infect	VBN
cord-252871-qfrpuy3t	88	6	cells	cell	NNS
cord-252871-qfrpuy3t	88	7	can	can	MD
cord-252871-qfrpuy3t	88	8	excrete	excrete	VB
cord-252871-qfrpuy3t	88	9	vesicles	vesicle	NNS
cord-252871-qfrpuy3t	88	10	containing	contain	VBG
cord-252871-qfrpuy3t	88	11	the	the	DT
cord-252871-qfrpuy3t	88	12	virus	virus	NN
cord-252871-qfrpuy3t	88	13	nucleic	nucleic	JJ
cord-252871-qfrpuy3t	88	14	acid	acid	NN
cord-252871-qfrpuy3t	88	15	,	,	,
cord-252871-qfrpuy3t	88	16	[	[	-LRB-
cord-252871-qfrpuy3t	88	17	32	32	CD
cord-252871-qfrpuy3t	88	18	]	]	-RRB-
cord-252871-qfrpuy3t	88	19	and	and	CC
cord-252871-qfrpuy3t	88	20	healthy	healthy	JJ
cord-252871-qfrpuy3t	88	21	cells	cell	NNS
cord-252871-qfrpuy3t	88	22	routinely	routinely	RB
cord-252871-qfrpuy3t	88	23	utilize	utilize	VBP
cord-252871-qfrpuy3t	88	24	extracellular	extracellular	JJ
cord-252871-qfrpuy3t	88	25	vesicles	vesicle	NNS
cord-252871-qfrpuy3t	88	26	for	for	IN
cord-252871-qfrpuy3t	88	27	genetic	genetic	JJ
cord-252871-qfrpuy3t	88	28	communication	communication	NN
cord-252871-qfrpuy3t	88	29	[	[	-LRB-
cord-252871-qfrpuy3t	88	30	33	33	CD
cord-252871-qfrpuy3t	88	31	]	]	-RRB-
cord-252871-qfrpuy3t	88	32	.	.	.
cord-252871-qfrpuy3t	89	1	These	these	DT
cord-252871-qfrpuy3t	89	2	examples	example	NNS
cord-252871-qfrpuy3t	89	3	generalize	generalize	VBP
cord-252871-qfrpuy3t	89	4	the	the	DT
cord-252871-qfrpuy3t	89	5	concept	concept	NN
cord-252871-qfrpuy3t	89	6	and	and	CC
cord-252871-qfrpuy3t	89	7	morphology	morphology	NN
cord-252871-qfrpuy3t	89	8	of	of	IN
cord-252871-qfrpuy3t	89	9	a	a	DT
cord-252871-qfrpuy3t	89	10	'	'	``
cord-252871-qfrpuy3t	89	11	virion	virion	NN
cord-252871-qfrpuy3t	89	12	'	'	''
cord-252871-qfrpuy3t	89	13	.	.	.
cord-252871-qfrpuy3t	90	1	Similarly	similarly	RB
cord-252871-qfrpuy3t	90	2	,	,	,
cord-252871-qfrpuy3t	90	3	capsid	capsid	NN
cord-252871-qfrpuy3t	90	4	-	-	HYPH
cord-252871-qfrpuy3t	90	5	like	like	JJ
cord-252871-qfrpuy3t	90	6	compartments	compartment	NNS
cord-252871-qfrpuy3t	90	7	have	have	VBP
cord-252871-qfrpuy3t	90	8	been	be	VBN
cord-252871-qfrpuy3t	90	9	detected	detect	VBN
cord-252871-qfrpuy3t	90	10	in	in	IN
cord-252871-qfrpuy3t	90	11	cellular	cellular	JJ
cord-252871-qfrpuy3t	90	12	organisms	organism	NNS
cord-252871-qfrpuy3t	90	13	where	where	WRB
cord-252871-qfrpuy3t	90	14	they	-PRON-	PRP
cord-252871-qfrpuy3t	90	15	perform	perform	VBP
cord-252871-qfrpuy3t	90	16	functions	function	NNS
cord-252871-qfrpuy3t	90	17	such	such	JJ
cord-252871-qfrpuy3t	90	18	as	as	IN
cord-252871-qfrpuy3t	90	19	storage	storage	NN
cord-252871-qfrpuy3t	90	20	of	of	IN
cord-252871-qfrpuy3t	90	21	enzymes	enzyme	NNS
cord-252871-qfrpuy3t	90	22	[	[	-LRB-
cord-252871-qfrpuy3t	90	23	34	34	CD
cord-252871-qfrpuy3t	90	24	]	]	-RRB-
cord-252871-qfrpuy3t	90	25	,	,	,
cord-252871-qfrpuy3t	90	26	and	and	CC
cord-252871-qfrpuy3t	90	27	many	many	JJ
cord-252871-qfrpuy3t	90	28	viral	viral	JJ
cord-252871-qfrpuy3t	90	29	capsid	capsid	NN
cord-252871-qfrpuy3t	90	30	proteins	protein	NNS
cord-252871-qfrpuy3t	90	31	either	either	CC
cord-252871-qfrpuy3t	90	32	evolved	evolve	VBD
cord-252871-qfrpuy3t	90	33	directly	directly	RB
cord-252871-qfrpuy3t	90	34	from	from	IN
cord-252871-qfrpuy3t	90	35	cellular	cellular	JJ
cord-252871-qfrpuy3t	90	36	proteins	protein	NNS
cord-252871-qfrpuy3t	90	37	[	[	-LRB-
cord-252871-qfrpuy3t	90	38	35	35	CD
cord-252871-qfrpuy3t	90	39	]	]	-RRB-
cord-252871-qfrpuy3t	90	40	or	or	CC
cord-252871-qfrpuy3t	90	41	have	have	VBP
cord-252871-qfrpuy3t	90	42	distant	distant	JJ
cord-252871-qfrpuy3t	90	43	homologs	homolog	NNS
cord-252871-qfrpuy3t	90	44	in	in	IN
cord-252871-qfrpuy3t	90	45	cellular	cellular	JJ
cord-252871-qfrpuy3t	90	46	genomes	genome	NNS
cord-252871-qfrpuy3t	90	47	[	[	-LRB-
cord-252871-qfrpuy3t	90	48	36	36	CD
cord-252871-qfrpuy3t	90	49	]	]	-RRB-
cord-252871-qfrpuy3t	90	50	.	.	.
cord-252871-qfrpuy3t	91	1	These	these	DT
cord-252871-qfrpuy3t	91	2	examples	example	NNS
cord-252871-qfrpuy3t	91	3	blur	blur	VBP
cord-252871-qfrpuy3t	91	4	the	the	DT
cord-252871-qfrpuy3t	91	5	separation	separation	NN
cord-252871-qfrpuy3t	91	6	of	of	IN
cord-252871-qfrpuy3t	91	7	viruses	virus	NNS
cord-252871-qfrpuy3t	91	8	from	from	IN
cord-252871-qfrpuy3t	91	9	cells	cell	NNS
cord-252871-qfrpuy3t	91	10	(	(	-LRB-
cord-252871-qfrpuy3t	91	11	and	and	CC
cord-252871-qfrpuy3t	91	12	other	other	JJ
cord-252871-qfrpuy3t	91	13	parasitic	parasitic	JJ
cord-252871-qfrpuy3t	91	14	genetic	genetic	JJ
cord-252871-qfrpuy3t	91	15	elements	element	NNS
cord-252871-qfrpuy3t	91	16	)	)	-RRB-
cord-252871-qfrpuy3t	91	17	based	base	VBN
cord-252871-qfrpuy3t	91	18	on	on	IN
cord-252871-qfrpuy3t	91	19	the	the	DT
cord-252871-qfrpuy3t	91	20	presence	presence	NN
cord-252871-qfrpuy3t	91	21	/	/	SYM
cord-252871-qfrpuy3t	91	22	absence	absence	NN
cord-252871-qfrpuy3t	91	23	of	of	IN
cord-252871-qfrpuy3t	91	24	physical	physical	JJ
cord-252871-qfrpuy3t	91	25	or	or	CC
cord-252871-qfrpuy3t	91	26	genetic	genetic	JJ
cord-252871-qfrpuy3t	91	27	descriptors	descriptor	NNS
cord-252871-qfrpuy3t	91	28	.	.	.
cord-252871-qfrpuy3t	92	1	In	in	IN
cord-252871-qfrpuy3t	92	2	sum	sum	NN
cord-252871-qfrpuy3t	92	3	,	,	,
cord-252871-qfrpuy3t	92	4	we	-PRON-	PRP
cord-252871-qfrpuy3t	92	5	discourage	discourage	VBP
cord-252871-qfrpuy3t	92	6	the	the	DT
cord-252871-qfrpuy3t	92	7	use	use	NN
cord-252871-qfrpuy3t	92	8	of	of	IN
cord-252871-qfrpuy3t	92	9	any	any	DT
cord-252871-qfrpuy3t	92	10	virus	virus	NN
cord-252871-qfrpuy3t	92	11	definition	definition	NN
cord-252871-qfrpuy3t	92	12	based	base	VBN
cord-252871-qfrpuy3t	92	13	on	on	IN
cord-252871-qfrpuy3t	92	14	the	the	DT
cord-252871-qfrpuy3t	92	15	presence	presence	NN
cord-252871-qfrpuy3t	92	16	or	or	CC
cord-252871-qfrpuy3t	92	17	absence	absence	NN
cord-252871-qfrpuy3t	92	18	of	of	IN
cord-252871-qfrpuy3t	92	19	any	any	DT
cord-252871-qfrpuy3t	92	20	subset	subset	NN
cord-252871-qfrpuy3t	92	21	of	of	IN
cord-252871-qfrpuy3t	92	22	genes	gene	NNS
cord-252871-qfrpuy3t	92	23	or	or	CC
cord-252871-qfrpuy3t	92	24	physical	physical	JJ
cord-252871-qfrpuy3t	92	25	features	feature	NNS
cord-252871-qfrpuy3t	92	26	(	(	-LRB-
cord-252871-qfrpuy3t	92	27	e.g.	e.g.	RB
cord-252871-qfrpuy3t	92	28	,	,	,
cord-252871-qfrpuy3t	92	29	size	size	NN
cord-252871-qfrpuy3t	92	30	,	,	,
cord-252871-qfrpuy3t	92	31	morphology	morphology	NN
cord-252871-qfrpuy3t	92	32	,	,	,
cord-252871-qfrpuy3t	92	33	capsid	capsid	NN
cord-252871-qfrpuy3t	92	34	proteins	protein	NNS
cord-252871-qfrpuy3t	92	35	)	)	-RRB-
cord-252871-qfrpuy3t	92	36	because	because	IN
cord-252871-qfrpuy3t	92	37	such	such	JJ
cord-252871-qfrpuy3t	92	38	definitions	definition	NNS
cord-252871-qfrpuy3t	92	39	are	be	VBP
cord-252871-qfrpuy3t	92	40	often	often	RB
cord-252871-qfrpuy3t	92	41	ambiguous	ambiguous	JJ
cord-252871-qfrpuy3t	92	42	,	,	,
cord-252871-qfrpuy3t	92	43	not	not	RB
cord-252871-qfrpuy3t	92	44	broadly	broadly	RB
cord-252871-qfrpuy3t	92	45	applicable	applicable	JJ
cord-252871-qfrpuy3t	92	46	,	,	,
cord-252871-qfrpuy3t	92	47	and	and	CC
cord-252871-qfrpuy3t	92	48	more	more	RBR
cord-252871-qfrpuy3t	92	49	importantly	importantly	RB
cord-252871-qfrpuy3t	92	50	prone	prone	JJ
cord-252871-qfrpuy3t	92	51	to	to	TO
cord-252871-qfrpuy3t	92	52	change	change	VB
cord-252871-qfrpuy3t	92	53	with	with	IN
cord-252871-qfrpuy3t	92	54	new	new	JJ
cord-252871-qfrpuy3t	92	55	discoveries	discovery	NNS
cord-252871-qfrpuy3t	92	56	.	.	.
cord-252871-qfrpuy3t	93	1	We	-PRON-	PRP
cord-252871-qfrpuy3t	93	2	assert	assert	VBP
cord-252871-qfrpuy3t	93	3	that	that	IN
cord-252871-qfrpuy3t	93	4	viruses	virus	NNS
cord-252871-qfrpuy3t	93	5	can	can	MD
cord-252871-qfrpuy3t	93	6	be	be	VB
cord-252871-qfrpuy3t	93	7	better	well	RBR
cord-252871-qfrpuy3t	93	8	defined	define	VBN
cord-252871-qfrpuy3t	93	9	by	by	IN
cord-252871-qfrpuy3t	93	10	their	-PRON-	PRP$
cord-252871-qfrpuy3t	93	11	generic	generic	JJ
cord-252871-qfrpuy3t	93	12	properties	property	NNS
cord-252871-qfrpuy3t	93	13	of	of	IN
cord-252871-qfrpuy3t	93	14	genome	genome	NN
cord-252871-qfrpuy3t	93	15	dissemination	dissemination	NN
cord-252871-qfrpuy3t	93	16	and	and	CC
cord-252871-qfrpuy3t	93	17	propagation	propagation	NN
cord-252871-qfrpuy3t	93	18	[	[	-LRB-
cord-252871-qfrpuy3t	93	19	11	11	CD
cord-252871-qfrpuy3t	93	20	]	]	-RRB-
cord-252871-qfrpuy3t	93	21	.	.	.
cord-252871-qfrpuy3t	94	1	Viruses	virus	NNS
cord-252871-qfrpuy3t	94	2	replicate	replicate	VBP
cord-252871-qfrpuy3t	94	3	using	use	VBG
cord-252871-qfrpuy3t	94	4	the	the	DT
cord-252871-qfrpuy3t	94	5	macromolecular	macromolecular	JJ
cord-252871-qfrpuy3t	94	6	machinery	machinery	NN
cord-252871-qfrpuy3t	94	7	of	of	IN
cord-252871-qfrpuy3t	94	8	other	other	JJ
cord-252871-qfrpuy3t	94	9	biological	biological	JJ
cord-252871-qfrpuy3t	94	10	entities	entity	NNS
cord-252871-qfrpuy3t	94	11	.	.	.
cord-252871-qfrpuy3t	95	1	This	this	DT
cord-252871-qfrpuy3t	95	2	prong	prong	NN
cord-252871-qfrpuy3t	95	3	establishes	establish	VBZ
cord-252871-qfrpuy3t	95	4	absolute	absolute	JJ
cord-252871-qfrpuy3t	95	5	parasitism	parasitism	NN
cord-252871-qfrpuy3t	95	6	,	,	,
cord-252871-qfrpuy3t	95	7	which	which	WDT
cord-252871-qfrpuy3t	95	8	is	be	VBZ
cord-252871-qfrpuy3t	95	9	a	a	DT
cord-252871-qfrpuy3t	95	10	hallmark	hallmark	NN
cord-252871-qfrpuy3t	95	11	of	of	IN
cord-252871-qfrpuy3t	95	12	viruses	virus	NNS
cord-252871-qfrpuy3t	95	13	and	and	CC
cord-252871-qfrpuy3t	95	14	virus	virus	NN
cord-252871-qfrpuy3t	95	15	-	-	HYPH
cord-252871-qfrpuy3t	95	16	like	like	JJ
cord-252871-qfrpuy3t	95	17	genetic	genetic	JJ
cord-252871-qfrpuy3t	95	18	elements	element	NNS
cord-252871-qfrpuy3t	95	19	.	.	.
cord-252871-qfrpuy3t	96	1	Another	another	DT
cord-252871-qfrpuy3t	96	2	feature	feature	NN
cord-252871-qfrpuy3t	96	3	of	of	IN
cord-252871-qfrpuy3t	96	4	viruses	virus	NNS
cord-252871-qfrpuy3t	96	5	is	be	VBZ
cord-252871-qfrpuy3t	96	6	the	the	DT
cord-252871-qfrpuy3t	96	7	ability	ability	NN
cord-252871-qfrpuy3t	96	8	to	to	TO
cord-252871-qfrpuy3t	96	9	encapsulate	encapsulate	VB
cord-252871-qfrpuy3t	96	10	and	and	CC
cord-252871-qfrpuy3t	96	11	disseminate	disseminate	VB
cord-252871-qfrpuy3t	96	12	genomes	genome	NNS
cord-252871-qfrpuy3t	96	13	in	in	IN
cord-252871-qfrpuy3t	96	14	metabolically	metabolically	RB
cord-252871-qfrpuy3t	96	15	inert	inert	JJ
cord-252871-qfrpuy3t	96	16	structures	structure	NNS
cord-252871-qfrpuy3t	96	17	.	.	.
cord-252871-qfrpuy3t	97	1	This	this	DT
cord-252871-qfrpuy3t	97	2	prong	prong	NN
cord-252871-qfrpuy3t	97	3	can	can	MD
cord-252871-qfrpuy3t	97	4	also	also	RB
cord-252871-qfrpuy3t	97	5	be	be	VB
cord-252871-qfrpuy3t	97	6	generalized	generalize	VBN
cord-252871-qfrpuy3t	97	7	,	,	,
cord-252871-qfrpuy3t	97	8	and	and	CC
cord-252871-qfrpuy3t	97	9	such	such	JJ
cord-252871-qfrpuy3t	97	10	structures	structure	NNS
cord-252871-qfrpuy3t	97	11	could	could	MD
cord-252871-qfrpuy3t	97	12	be	be	VB
cord-252871-qfrpuy3t	97	13	any	any	DT
cord-252871-qfrpuy3t	97	14	type	type	NN
cord-252871-qfrpuy3t	97	15	of	of	IN
cord-252871-qfrpuy3t	97	16	infectious	infectious	JJ
cord-252871-qfrpuy3t	97	17	particle	particle	NN
cord-252871-qfrpuy3t	97	18	without	without	IN
cord-252871-qfrpuy3t	97	19	constraints	constraint	NNS
cord-252871-qfrpuy3t	97	20	of	of	IN
cord-252871-qfrpuy3t	97	21	size	size	NN
cord-252871-qfrpuy3t	97	22	,	,	,
cord-252871-qfrpuy3t	97	23	shape	shape	NN
cord-252871-qfrpuy3t	97	24	,	,	,
cord-252871-qfrpuy3t	97	25	or	or	CC
cord-252871-qfrpuy3t	97	26	biochemical	biochemical	JJ
cord-252871-qfrpuy3t	97	27	composition	composition	NN
cord-252871-qfrpuy3t	97	28	(	(	-LRB-
cord-252871-qfrpuy3t	97	29	e.g.	e.g.	RB
cord-252871-qfrpuy3t	97	30	,	,	,
cord-252871-qfrpuy3t	97	31	vesicles	vesicle	NNS
cord-252871-qfrpuy3t	97	32	)	)	-RRB-
cord-252871-qfrpuy3t	97	33	[	[	-LRB-
cord-252871-qfrpuy3t	97	34	37	37	CD
cord-252871-qfrpuy3t	97	35	]	]	-RRB-
cord-252871-qfrpuy3t	97	36	.	.	.
cord-252871-qfrpuy3t	98	1	This	this	DT
cord-252871-qfrpuy3t	98	2	definition	definition	NN
cord-252871-qfrpuy3t	98	3	encompasses	encompass	VBZ
cord-252871-qfrpuy3t	98	4	both	both	CC
cord-252871-qfrpuy3t	98	5	the	the	DT
cord-252871-qfrpuy3t	98	6	encapsulated	encapsulated	JJ
cord-252871-qfrpuy3t	98	7	and	and	CC
cord-252871-qfrpuy3t	98	8	non	non	JJ
cord-252871-qfrpuy3t	98	9	-	-	JJ
cord-252871-qfrpuy3t	98	10	encapsulated	encapsulated	JJ
cord-252871-qfrpuy3t	98	11	genomes	genome	NNS
cord-252871-qfrpuy3t	98	12	(	(	-LRB-
cord-252871-qfrpuy3t	98	13	e.g.	e.g.	RB
cord-252871-qfrpuy3t	98	14	,	,	,
cord-252871-qfrpuy3t	98	15	plasmids	plasmid	NNS
cord-252871-qfrpuy3t	98	16	)	)	-RRB-
cord-252871-qfrpuy3t	98	17	and	and	CC
cord-252871-qfrpuy3t	98	18	emphasizes	emphasize	VBZ
cord-252871-qfrpuy3t	98	19	the	the	DT
cord-252871-qfrpuy3t	98	20	generic	generic	JJ
cord-252871-qfrpuy3t	98	21	feature	feature	NN
cord-252871-qfrpuy3t	98	22	of	of	IN
cord-252871-qfrpuy3t	98	23	how	how	WRB
cord-252871-qfrpuy3t	98	24	viruses	virus	NNS
cord-252871-qfrpuy3t	98	25	propagate	propagate	VBP
cord-252871-qfrpuy3t	98	26	in	in	IN
cord-252871-qfrpuy3t	98	27	cells	cell	NNS
cord-252871-qfrpuy3t	98	28	rather	rather	RB
cord-252871-qfrpuy3t	98	29	than	than	IN
cord-252871-qfrpuy3t	98	30	being	be	VBG
cord-252871-qfrpuy3t	98	31	dependent	dependent	JJ
cord-252871-qfrpuy3t	98	32	on	on	IN
cord-252871-qfrpuy3t	98	33	the	the	DT
cord-252871-qfrpuy3t	98	34	presence	presence	NN
cord-252871-qfrpuy3t	98	35	/	/	SYM
cord-252871-qfrpuy3t	98	36	absence	absence	NN
cord-252871-qfrpuy3t	98	37	of	of	IN
cord-252871-qfrpuy3t	98	38	specific	specific	JJ
cord-252871-qfrpuy3t	98	39	biomarkers	biomarker	NNS
cord-252871-qfrpuy3t	98	40	[	[	-LRB-
cord-252871-qfrpuy3t	98	41	11	11	CD
cord-252871-qfrpuy3t	98	42	]	]	-RRB-
cord-252871-qfrpuy3t	98	43	.	.	.
cord-252871-qfrpuy3t	99	1	Under	under	IN
cord-252871-qfrpuy3t	99	2	our	-PRON-	PRP$
cord-252871-qfrpuy3t	99	3	generic	generic	JJ
cord-252871-qfrpuy3t	99	4	definition	definition	NN
cord-252871-qfrpuy3t	99	5	,	,	,
cord-252871-qfrpuy3t	99	6	virus	virus	NN
cord-252871-qfrpuy3t	99	7	origin	origin	NN
cord-252871-qfrpuy3t	99	8	must	must	MD
cord-252871-qfrpuy3t	99	9	mean	mean	VB
cord-252871-qfrpuy3t	99	10	the	the	DT
cord-252871-qfrpuy3t	99	11	origin	origin	NN
cord-252871-qfrpuy3t	99	12	of	of	IN
cord-252871-qfrpuy3t	99	13	parasitism	parasitism	NN
cord-252871-qfrpuy3t	99	14	and	and	CC
cord-252871-qfrpuy3t	99	15	the	the	DT
cord-252871-qfrpuy3t	99	16	subsequent	subsequent	JJ
cord-252871-qfrpuy3t	99	17	ability	ability	NN
cord-252871-qfrpuy3t	99	18	of	of	IN
cord-252871-qfrpuy3t	99	19	those	those	DT
cord-252871-qfrpuy3t	99	20	parasitic	parasitic	JJ
cord-252871-qfrpuy3t	99	21	entities	entity	NNS
cord-252871-qfrpuy3t	99	22	to	to	TO
cord-252871-qfrpuy3t	99	23	propagate	propagate	VB
cord-252871-qfrpuy3t	99	24	via	via	IN
cord-252871-qfrpuy3t	99	25	the	the	DT
cord-252871-qfrpuy3t	99	26	production	production	NN
cord-252871-qfrpuy3t	99	27	of	of	IN
cord-252871-qfrpuy3t	99	28	metabolically	metabolically	RB
cord-252871-qfrpuy3t	99	29	inert	inert	JJ
cord-252871-qfrpuy3t	99	30	structures	structure	NNS
cord-252871-qfrpuy3t	99	31	.	.	.
cord-252871-qfrpuy3t	100	1	Since	since	IN
cord-252871-qfrpuy3t	100	2	all	all	DT
cord-252871-qfrpuy3t	100	3	modern	modern	JJ
cord-252871-qfrpuy3t	100	4	-	-	HYPH
cord-252871-qfrpuy3t	100	5	day	day	NN
cord-252871-qfrpuy3t	100	6	viruses	virus	NNS
cord-252871-qfrpuy3t	100	7	strictly	strictly	RB
cord-252871-qfrpuy3t	100	8	parasitize	parasitize	VBP
cord-252871-qfrpuy3t	100	9	cells	cell	NNS
cord-252871-qfrpuy3t	100	10	(	(	-LRB-
cord-252871-qfrpuy3t	100	11	with	with	IN
cord-252871-qfrpuy3t	100	12	the	the	DT
cord-252871-qfrpuy3t	100	13	exception	exception	NN
cord-252871-qfrpuy3t	100	14	of	of	IN
cord-252871-qfrpuy3t	100	15	virophages	virophage	NNS
cord-252871-qfrpuy3t	100	16	that	that	WDT
cord-252871-qfrpuy3t	100	17	parasitize	parasitize	VBP
cord-252871-qfrpuy3t	100	18	the	the	DT
cord-252871-qfrpuy3t	100	19	viral	viral	JJ
cord-252871-qfrpuy3t	100	20	factory	factory	NN
cord-252871-qfrpuy3t	100	21	of	of	IN
cord-252871-qfrpuy3t	100	22	other	other	JJ
cord-252871-qfrpuy3t	100	23	viruses	virus	NNS
cord-252871-qfrpuy3t	100	24	)	)	-RRB-
cord-252871-qfrpuy3t	101	1	[	[	-LRB-
cord-252871-qfrpuy3t	101	2	38	38	CD
cord-252871-qfrpuy3t	101	3	,	,	,
cord-252871-qfrpuy3t	101	4	39	39	CD
cord-252871-qfrpuy3t	101	5	]	]	-RRB-
cord-252871-qfrpuy3t	101	6	,	,	,
cord-252871-qfrpuy3t	101	7	we	-PRON-	PRP
cord-252871-qfrpuy3t	101	8	can	can	MD
cord-252871-qfrpuy3t	101	9	assume	assume	VB
cord-252871-qfrpuy3t	101	10	that	that	IN
cord-252871-qfrpuy3t	101	11	virus	virus	NN
cord-252871-qfrpuy3t	101	12	-	-	HYPH
cord-252871-qfrpuy3t	101	13	mediated	mediate	VBN
cord-252871-qfrpuy3t	101	14	parasitism	parasitism	NN
cord-252871-qfrpuy3t	101	15	and	and	CC
cord-252871-qfrpuy3t	101	16	propagation	propagation	NN
cord-252871-qfrpuy3t	101	17	originated	originate	VBD
cord-252871-qfrpuy3t	101	18	only	only	RB
cord-252871-qfrpuy3t	101	19	after	after	IN
cord-252871-qfrpuy3t	101	20	cells	cell	NNS
cord-252871-qfrpuy3t	101	21	appeared	appear	VBD
cord-252871-qfrpuy3t	101	22	in	in	IN
cord-252871-qfrpuy3t	101	23	evolution	evolution	NN
cord-252871-qfrpuy3t	101	24	as	as	IN
cord-252871-qfrpuy3t	101	25	cells	cell	NNS
cord-252871-qfrpuy3t	101	26	would	would	MD
cord-252871-qfrpuy3t	101	27	provide	provide	VB
cord-252871-qfrpuy3t	101	28	both	both	CC
cord-252871-qfrpuy3t	101	29	the	the	DT
cord-252871-qfrpuy3t	101	30	resources	resource	NNS
cord-252871-qfrpuy3t	101	31	to	to	TO
cord-252871-qfrpuy3t	101	32	parasitize	parasitize	VB
cord-252871-qfrpuy3t	101	33	upon	upon	IN
cord-252871-qfrpuy3t	101	34	and	and	CC
cord-252871-qfrpuy3t	101	35	the	the	DT
cord-252871-qfrpuy3t	101	36	means	mean	NNS
cord-252871-qfrpuy3t	101	37	for	for	IN
cord-252871-qfrpuy3t	101	38	genome	genome	NN
cord-252871-qfrpuy3t	101	39	dissemination	dissemination	NN
cord-252871-qfrpuy3t	101	40	(	(	-LRB-
cord-252871-qfrpuy3t	101	41	e.g.	e.g.	RB
cord-252871-qfrpuy3t	101	42	,	,	,
cord-252871-qfrpuy3t	101	43	capsids	capsid	NNS
cord-252871-qfrpuy3t	101	44	/	/	SYM
cord-252871-qfrpuy3t	101	45	vesicles	vesicle	NNS
cord-252871-qfrpuy3t	101	46	)	)	-RRB-
cord-252871-qfrpuy3t	101	47	.	.	.
cord-252871-qfrpuy3t	102	1	We	-PRON-	PRP
cord-252871-qfrpuy3t	102	2	therefore	therefore	RB
cord-252871-qfrpuy3t	102	3	rule	rule	VBP
cord-252871-qfrpuy3t	102	4	out	out	RP
cord-252871-qfrpuy3t	102	5	virus	virus	NN
cord-252871-qfrpuy3t	102	6	existence	existence	NN
cord-252871-qfrpuy3t	102	7	in	in	IN
cord-252871-qfrpuy3t	102	8	a	a	DT
cord-252871-qfrpuy3t	102	9	'	'	``
cord-252871-qfrpuy3t	102	10	pre	pre	JJ
cord-252871-qfrpuy3t	102	11	-	-	JJ
cord-252871-qfrpuy3t	102	12	cellular	cellular	JJ
cord-252871-qfrpuy3t	102	13	'	'	''
cord-252871-qfrpuy3t	102	14	world	world	NN
cord-252871-qfrpuy3t	102	15	as	as	IN
cord-252871-qfrpuy3t	102	16	it	-PRON-	PRP
cord-252871-qfrpuy3t	102	17	would	would	MD
cord-252871-qfrpuy3t	102	18	be	be	VB
cord-252871-qfrpuy3t	102	19	incompatible	incompatible	JJ
cord-252871-qfrpuy3t	102	20	with	with	IN
cord-252871-qfrpuy3t	102	21	the	the	DT
cord-252871-qfrpuy3t	102	22	proposed	propose	VBN
cord-252871-qfrpuy3t	102	23	virus	virus	NN
cord-252871-qfrpuy3t	102	24	definition	definition	NN
cord-252871-qfrpuy3t	102	25	(	(	-LRB-
cord-252871-qfrpuy3t	102	26	Figure	figure	NN
cord-252871-qfrpuy3t	102	27	1	1	CD
cord-252871-qfrpuy3t	102	28	for	for	IN
cord-252871-qfrpuy3t	102	29	comparative	comparative	JJ
cord-252871-qfrpuy3t	102	30	scenarios	scenario	NNS
cord-252871-qfrpuy3t	102	31	)	)	-RRB-
cord-252871-qfrpuy3t	102	32	.	.	.
cord-252871-qfrpuy3t	103	1	The	the	DT
cord-252871-qfrpuy3t	103	2	next	next	JJ
cord-252871-qfrpuy3t	103	3	logical	logical	JJ
cord-252871-qfrpuy3t	103	4	questions	question	NNS
cord-252871-qfrpuy3t	103	5	are	be	VBP
cord-252871-qfrpuy3t	103	6	the	the	DT
cord-252871-qfrpuy3t	103	7	timings	timing	NNS
cord-252871-qfrpuy3t	103	8	and	and	CC
cord-252871-qfrpuy3t	103	9	mechanisms	mechanism	NNS
cord-252871-qfrpuy3t	103	10	of	of	IN
cord-252871-qfrpuy3t	103	11	when	when	WRB
cord-252871-qfrpuy3t	103	12	and	and	CC
cord-252871-qfrpuy3t	103	13	how	how	WRB
cord-252871-qfrpuy3t	103	14	the	the	DT
cord-252871-qfrpuy3t	103	15	first	first	JJ
cord-252871-qfrpuy3t	103	16	viruses	virus	NNS
cord-252871-qfrpuy3t	103	17	appeared	appear	VBD
cord-252871-qfrpuy3t	103	18	.	.	.
cord-252871-qfrpuy3t	104	1	The	the	DT
cord-252871-qfrpuy3t	104	2	former	former	JJ
cord-252871-qfrpuy3t	104	3	question	question	NN
cord-252871-qfrpuy3t	104	4	is	be	VBZ
cord-252871-qfrpuy3t	104	5	relatively	relatively	RB
cord-252871-qfrpuy3t	104	6	straightforward	straightforward	JJ
cord-252871-qfrpuy3t	104	7	.	.	.
cord-252871-qfrpuy3t	105	1	In	in	IN
cord-252871-qfrpuy3t	105	2	our	-PRON-	PRP$
cord-252871-qfrpuy3t	105	3	view	view	NN
cord-252871-qfrpuy3t	105	4	,	,	,
cord-252871-qfrpuy3t	105	5	viruses	virus	NNS
cord-252871-qfrpuy3t	105	6	originated	originate	VBD
cord-252871-qfrpuy3t	105	7	from	from	IN
cord-252871-qfrpuy3t	105	8	'	'	``
cord-252871-qfrpuy3t	105	9	ancient	ancient	JJ
cord-252871-qfrpuy3t	105	10	'	'	''
cord-252871-qfrpuy3t	105	11	cells	cell	NNS
cord-252871-qfrpuy3t	105	12	that	that	WDT
cord-252871-qfrpuy3t	105	13	existed	exist	VBD
cord-252871-qfrpuy3t	105	14	before	before	IN
cord-252871-qfrpuy3t	105	15	the	the	DT
cord-252871-qfrpuy3t	105	16	last	last	JJ
cord-252871-qfrpuy3t	105	17	universal	universal	JJ
cord-252871-qfrpuy3t	105	18	common	common	JJ
cord-252871-qfrpuy3t	105	19	ancestor	ancestor	NN
cord-252871-qfrpuy3t	105	20	(	(	-LRB-
cord-252871-qfrpuy3t	105	21	LUCA	LUCA	NNP
cord-252871-qfrpuy3t	105	22	)	)	-RRB-
cord-252871-qfrpuy3t	105	23	diversified	diversify	VBD
cord-252871-qfrpuy3t	105	24	into	into	IN
cord-252871-qfrpuy3t	105	25	modern	modern	JJ
cord-252871-qfrpuy3t	105	26	cells	cell	NNS
cord-252871-qfrpuy3t	105	27	(	(	-LRB-
cord-252871-qfrpuy3t	105	28	i.e.	i.e.	FW
cord-252871-qfrpuy3t	105	29	,	,	,
cord-252871-qfrpuy3t	105	30	the	the	DT
cord-252871-qfrpuy3t	105	31	three	three	CD
cord-252871-qfrpuy3t	105	32	superkingdoms	superkingdom	NNS
cord-252871-qfrpuy3t	105	33	,	,	,
cord-252871-qfrpuy3t	105	34	Archaea	Archaea	NNP
cord-252871-qfrpuy3t	105	35	,	,	,
cord-252871-qfrpuy3t	105	36	Bacteria	Bacteria	NNPS
cord-252871-qfrpuy3t	105	37	,	,	,
cord-252871-qfrpuy3t	105	38	and	and	CC
cord-252871-qfrpuy3t	105	39	Eukarya	Eukarya	NNP
cord-252871-qfrpuy3t	105	40	)	)	-RRB-
cord-252871-qfrpuy3t	105	41	[	[	-LRB-
cord-252871-qfrpuy3t	105	42	40	40	CD
cord-252871-qfrpuy3t	105	43	]	]	-RRB-
cord-252871-qfrpuy3t	105	44	.	.	.
cord-252871-qfrpuy3t	106	1	3	3	LS
cord-252871-qfrpuy3t	107	1	There	there	EX
cord-252871-qfrpuy3t	107	2	are	be	VBP
cord-252871-qfrpuy3t	107	3	multiple	multiple	JJ
cord-252871-qfrpuy3t	107	4	lines	line	NNS
cord-252871-qfrpuy3t	107	5	of	of	IN
cord-252871-qfrpuy3t	107	6	evidence	evidence	NN
cord-252871-qfrpuy3t	107	7	supporting	support	VBG
cord-252871-qfrpuy3t	107	8	this	this	DT
cord-252871-qfrpuy3t	107	9	timing	timing	NN
cord-252871-qfrpuy3t	107	10	.	.	.
cord-252871-qfrpuy3t	108	1	For	for	IN
cord-252871-qfrpuy3t	108	2	example	example	NN
cord-252871-qfrpuy3t	108	3	,	,	,
cord-252871-qfrpuy3t	108	4	the	the	DT
cord-252871-qfrpuy3t	108	5	genomes	genome	NNS
cord-252871-qfrpuy3t	108	6	of	of	IN
cord-252871-qfrpuy3t	108	7	archaeoviruses	archaeoviruse	NNS
cord-252871-qfrpuy3t	108	8	,	,	,
cord-252871-qfrpuy3t	108	9	bacterioviruses	bacterioviruses	NNPS
cord-252871-qfrpuy3t	108	10	,	,	,
cord-252871-qfrpuy3t	108	11	and	and	CC
cord-252871-qfrpuy3t	108	12	eukaryoviruses	eukaryoviruse	NNS
cord-252871-qfrpuy3t	108	13	,	,	,
cord-252871-qfrpuy3t	108	14	are	be	VBP
cord-252871-qfrpuy3t	108	15	characterized	characterize	VBN
cord-252871-qfrpuy3t	108	16	by	by	IN
cord-252871-qfrpuy3t	108	17	the	the	DT
cord-252871-qfrpuy3t	108	18	abundance	abundance	NN
cord-252871-qfrpuy3t	108	19	of	of	IN
cord-252871-qfrpuy3t	108	20	virus	virus	NN
cord-252871-qfrpuy3t	108	21	-	-	HYPH
cord-252871-qfrpuy3t	108	22	specific	specific	JJ
cord-252871-qfrpuy3t	108	23	genes	gene	NNS
cord-252871-qfrpuy3t	108	24	that	that	WDT
cord-252871-qfrpuy3t	108	25	lack	lack	VBP
cord-252871-qfrpuy3t	108	26	detectable	detectable	JJ
cord-252871-qfrpuy3t	108	27	homologs	homolog	NNS
cord-252871-qfrpuy3t	108	28	in	in	IN
cord-252871-qfrpuy3t	108	29	cellular	cellular	JJ
cord-252871-qfrpuy3t	108	30	genomes	genome	NNS
cord-252871-qfrpuy3t	108	31	[	[	-LRB-
cord-252871-qfrpuy3t	108	32	41	41	CD
cord-252871-qfrpuy3t	108	33	]	]	-RRB-
cord-252871-qfrpuy3t	108	34	.	.	.
cord-252871-qfrpuy3t	109	1	While	while	IN
cord-252871-qfrpuy3t	109	2	these	these	DT
cord-252871-qfrpuy3t	109	3	genes	gene	NNS
cord-252871-qfrpuy3t	109	4	can	can	MD
cord-252871-qfrpuy3t	109	5	be	be	VB
cord-252871-qfrpuy3t	109	6	strain	strain	NN
cord-252871-qfrpuy3t	109	7	-	-	HYPH
cord-252871-qfrpuy3t	109	8	specific	specific	JJ
cord-252871-qfrpuy3t	109	9	with	with	IN
cord-252871-qfrpuy3t	109	10	a	a	DT
cord-252871-qfrpuy3t	109	11	recent	recent	JJ
cord-252871-qfrpuy3t	109	12	de	de	FW
cord-252871-qfrpuy3t	109	13	novo	novo	NNP
cord-252871-qfrpuy3t	109	14	origin	origin	NNP
cord-252871-qfrpuy3t	109	15	[	[	-LRB-
cord-252871-qfrpuy3t	109	16	42	42	CD
cord-252871-qfrpuy3t	109	17	,	,	,
cord-252871-qfrpuy3t	109	18	43	43	CD
cord-252871-qfrpuy3t	109	19	]	]	-RRB-
cord-252871-qfrpuy3t	109	20	,	,	,
cord-252871-qfrpuy3t	109	21	their	-PRON-	PRP$
cord-252871-qfrpuy3t	109	22	abundance	abundance	NN
cord-252871-qfrpuy3t	109	23	and	and	CC
cord-252871-qfrpuy3t	109	24	existence	existence	NN
cord-252871-qfrpuy3t	109	25	in	in	IN
cord-252871-qfrpuy3t	109	26	diverse	diverse	JJ
cord-252871-qfrpuy3t	109	27	virus	virus	NN
cord-252871-qfrpuy3t	109	28	groups	group	NNS
cord-252871-qfrpuy3t	109	29	suggests	suggest	VBZ
cord-252871-qfrpuy3t	109	30	their	-PRON-	PRP$
cord-252871-qfrpuy3t	109	31	accumulation	accumulation	NN
cord-252871-qfrpuy3t	109	32	likely	likely	RB
cord-252871-qfrpuy3t	109	33	started	start	VBD
cord-252871-qfrpuy3t	109	34	very	very	RB
cord-252871-qfrpuy3t	109	35	early	early	RB
cord-252871-qfrpuy3t	109	36	in	in	IN
cord-252871-qfrpuy3t	109	37	evolution	evolution	NN
cord-252871-qfrpuy3t	109	38	.	.	.
cord-252871-qfrpuy3t	110	1	Similarly	similarly	RB
cord-252871-qfrpuy3t	110	2	,	,	,
cord-252871-qfrpuy3t	110	3	viral	viral	JJ
cord-252871-qfrpuy3t	110	4	lineages	lineage	NNS
cord-252871-qfrpuy3t	110	5	that	that	WDT
cord-252871-qfrpuy3t	110	6	infect	infect	VBP
cord-252871-qfrpuy3t	110	7	distantly	distantly	RB
cord-252871-qfrpuy3t	110	8	related	related	JJ
cord-252871-qfrpuy3t	110	9	hosts	host	NNS
cord-252871-qfrpuy3t	110	10	from	from	IN
cord-252871-qfrpuy3t	110	11	all	all	DT
cord-252871-qfrpuy3t	110	12	three	three	CD
cord-252871-qfrpuy3t	110	13	superkingdoms	superkingdom	NNS
cord-252871-qfrpuy3t	110	14	share	share	VBP
cord-252871-qfrpuy3t	110	15	several	several	JJ
cord-252871-qfrpuy3t	110	16	conserved	conserve	VBN
cord-252871-qfrpuy3t	110	17	three	three	CD
cord-252871-qfrpuy3t	110	18	-	-	HYPH
cord-252871-qfrpuy3t	110	19	dimensional	dimensional	JJ
cord-252871-qfrpuy3t	110	20	(	(	-LRB-
cord-252871-qfrpuy3t	110	21	3D	3D	NNP
cord-252871-qfrpuy3t	110	22	)	)	-RRB-
cord-252871-qfrpuy3t	110	23	protein	protein	NN
cord-252871-qfrpuy3t	110	24	structural	structural	JJ
cord-252871-qfrpuy3t	110	25	folds	fold	NNS
cord-252871-qfrpuy3t	110	26	that	that	WDT
cord-252871-qfrpuy3t	110	27	also	also	RB
cord-252871-qfrpuy3t	110	28	indicate	indicate	VBP
cord-252871-qfrpuy3t	110	29	that	that	IN
cord-252871-qfrpuy3t	110	30	these	these	DT
cord-252871-qfrpuy3t	110	31	lineages	lineage	NNS
cord-252871-qfrpuy3t	110	32	likely	likely	RB
cord-252871-qfrpuy3t	110	33	existed	exist	VBD
cord-252871-qfrpuy3t	110	34	prior	prior	RB
cord-252871-qfrpuy3t	110	35	to	to	IN
cord-252871-qfrpuy3t	110	36	LUCA	LUCA	NNP
cord-252871-qfrpuy3t	110	37	diversification	diversification	NN
cord-252871-qfrpuy3t	110	38	[	[	-LRB-
cord-252871-qfrpuy3t	110	39	44	44	CD
cord-252871-qfrpuy3t	110	40	]	]	-RRB-
cord-252871-qfrpuy3t	110	41	.	.	.
cord-252871-qfrpuy3t	111	1	New	new	JJ
cord-252871-qfrpuy3t	111	2	viruses	virus	NNS
cord-252871-qfrpuy3t	111	3	would	would	MD
cord-252871-qfrpuy3t	111	4	then	then	RB
cord-252871-qfrpuy3t	111	5	evolve	evolve	VB
cord-252871-qfrpuy3t	111	6	from	from	IN
cord-252871-qfrpuy3t	111	7	existing	exist	VBG
cord-252871-qfrpuy3t	111	8	viruses	virus	NNS
cord-252871-qfrpuy3t	111	9	via	via	IN
cord-252871-qfrpuy3t	111	10	natural	natural	JJ
cord-252871-qfrpuy3t	111	11	processes	process	NNS
cord-252871-qfrpuy3t	111	12	such	such	JJ
cord-252871-qfrpuy3t	111	13	as	as	IN
cord-252871-qfrpuy3t	111	14	recombination	recombination	NN
cord-252871-qfrpuy3t	111	15	and	and	CC
cord-252871-qfrpuy3t	111	16	in	in	IN
cord-252871-qfrpuy3t	111	17	response	response	NN
cord-252871-qfrpuy3t	111	18	to	to	IN
cord-252871-qfrpuy3t	111	19	new	new	JJ
cord-252871-qfrpuy3t	111	20	and	and	CC
cord-252871-qfrpuy3t	111	21	emerging	emerge	VBG
cord-252871-qfrpuy3t	111	22	hosts	host	NNS
cord-252871-qfrpuy3t	111	23	.	.	.
cord-252871-qfrpuy3t	112	1	The	the	DT
cord-252871-qfrpuy3t	112	2	mechanisms	mechanism	NNS
cord-252871-qfrpuy3t	112	3	of	of	IN
cord-252871-qfrpuy3t	112	4	how	how	WRB
cord-252871-qfrpuy3t	112	5	ancient	ancient	JJ
cord-252871-qfrpuy3t	112	6	cells	cell	NNS
cord-252871-qfrpuy3t	112	7	evolved	evolve	VBD
cord-252871-qfrpuy3t	112	8	into	into	IN
cord-252871-qfrpuy3t	112	9	viruses	virus	NNS
cord-252871-qfrpuy3t	112	10	are	be	VBP
cord-252871-qfrpuy3t	112	11	relatively	relatively	RB
cord-252871-qfrpuy3t	112	12	less	less	RBR
cord-252871-qfrpuy3t	112	13	clear	clear	JJ
cord-252871-qfrpuy3t	112	14	.	.	.
cord-252871-qfrpuy3t	113	1	Krupovic	Krupovic	NNP
cord-252871-qfrpuy3t	113	2	et	et	NNP
cord-252871-qfrpuy3t	113	3	al	al	NNP
cord-252871-qfrpuy3t	113	4	.	.	.
cord-252871-qfrpuy3t	114	1	recently	recently	RB
cord-252871-qfrpuy3t	114	2	proposed	propose	VBD
cord-252871-qfrpuy3t	114	3	a	a	DT
cord-252871-qfrpuy3t	114	4	hybrid	hybrid	JJ
cord-252871-qfrpuy3t	114	5	model	model	NN
cord-252871-qfrpuy3t	114	6	to	to	TO
cord-252871-qfrpuy3t	114	7	answer	answer	VB
cord-252871-qfrpuy3t	114	8	this	this	DT
cord-252871-qfrpuy3t	114	9	question	question	NN
cord-252871-qfrpuy3t	114	10	[	[	-LRB-
cord-252871-qfrpuy3t	114	11	45	45	CD
cord-252871-qfrpuy3t	114	12	]	]	-RRB-
cord-252871-qfrpuy3t	114	13	.	.	.
cord-252871-qfrpuy3t	115	1	According	accord	VBG
cord-252871-qfrpuy3t	115	2	to	to	IN
cord-252871-qfrpuy3t	115	3	their	-PRON-	PRP$
cord-252871-qfrpuy3t	115	4	model	model	NN
cord-252871-qfrpuy3t	115	5	,	,	,
cord-252871-qfrpuy3t	115	6	viral	viral	JJ
cord-252871-qfrpuy3t	115	7	nucleic	nucleic	JJ
cord-252871-qfrpuy3t	115	8	acids	acid	NNS
cord-252871-qfrpuy3t	115	9	evolved	evolve	VBN
cord-252871-qfrpuy3t	115	10	in	in	IN
cord-252871-qfrpuy3t	115	11	the	the	DT
cord-252871-qfrpuy3t	115	12	pre	pre	JJ
cord-252871-qfrpuy3t	115	13	-	-	JJ
cord-252871-qfrpuy3t	115	14	cellular	cellular	JJ
cord-252871-qfrpuy3t	115	15	world	world	NN
cord-252871-qfrpuy3t	115	16	and	and	CC
cord-252871-qfrpuy3t	115	17	virus	virus	NN
cord-252871-qfrpuy3t	115	18	propagation	propagation	NN
cord-252871-qfrpuy3t	115	19	mechanisms	mechanism	NNS
cord-252871-qfrpuy3t	115	20	evolved	evolve	VBD
cord-252871-qfrpuy3t	115	21	via	via	IN
cord-252871-qfrpuy3t	115	22	the	the	DT
cord-252871-qfrpuy3t	115	23	modification	modification	NN
cord-252871-qfrpuy3t	115	24	of	of	IN
cord-252871-qfrpuy3t	115	25	cellular	cellular	JJ
cord-252871-qfrpuy3t	115	26	proteins	protein	NNS
cord-252871-qfrpuy3t	115	27	to	to	TO
cord-252871-qfrpuy3t	115	28	function	function	VB
cord-252871-qfrpuy3t	115	29	as	as	IN
cord-252871-qfrpuy3t	115	30	virus	virus	NN
cord-252871-qfrpuy3t	115	31	capsids	capsid	NNS
cord-252871-qfrpuy3t	115	32	once	once	IN
cord-252871-qfrpuy3t	115	33	cells	cell	NNS
cord-252871-qfrpuy3t	115	34	appeared	appear	VBD
cord-252871-qfrpuy3t	115	35	in	in	IN
cord-252871-qfrpuy3t	115	36	evolution	evolution	NN
cord-252871-qfrpuy3t	115	37	.	.	.
cord-252871-qfrpuy3t	116	1	In	in	IN
cord-252871-qfrpuy3t	116	2	their	-PRON-	PRP$
cord-252871-qfrpuy3t	116	3	view	view	NN
cord-252871-qfrpuy3t	116	4	,	,	,
cord-252871-qfrpuy3t	116	5	giant	giant	JJ
cord-252871-qfrpuy3t	116	6	viruses	virus	NNS
cord-252871-qfrpuy3t	116	7	such	such	JJ
cord-252871-qfrpuy3t	116	8	as	as	IN
cord-252871-qfrpuy3t	116	9	pandoraviruses	pandoraviruse	NNS
cord-252871-qfrpuy3t	116	10	and	and	CC
cord-252871-qfrpuy3t	116	11	Mimiviruses	Mimiviruses	NNPS
cord-252871-qfrpuy3t	116	12	gradually	gradually	RB
cord-252871-qfrpuy3t	116	13	became	become	VBD
cord-252871-qfrpuy3t	116	14	bigger	big	JJR
cord-252871-qfrpuy3t	116	15	due	due	IN
cord-252871-qfrpuy3t	116	16	to	to	IN
cord-252871-qfrpuy3t	116	17	frequent	frequent	JJ
cord-252871-qfrpuy3t	116	18	gene	gene	NN
cord-252871-qfrpuy3t	116	19	capture	capture	NN
cord-252871-qfrpuy3t	116	20	from	from	IN
cord-252871-qfrpuy3t	116	21	host	host	NN
cord-252871-qfrpuy3t	116	22	cells	cell	NNS
cord-252871-qfrpuy3t	116	23	[	[	-LRB-
cord-252871-qfrpuy3t	116	24	46	46	CD
cord-252871-qfrpuy3t	116	25	]	]	-RRB-
cord-252871-qfrpuy3t	116	26	.	.	.
cord-252871-qfrpuy3t	117	1	Their	-PRON-	PRP$
cord-252871-qfrpuy3t	117	2	model	model	NN
cord-252871-qfrpuy3t	117	3	thus	thus	RB
cord-252871-qfrpuy3t	117	4	explains	explain	VBZ
cord-252871-qfrpuy3t	117	5	the	the	DT
cord-252871-qfrpuy3t	117	6	massive	massive	JJ
cord-252871-qfrpuy3t	117	7	genetic	genetic	JJ
cord-252871-qfrpuy3t	117	8	diversity	diversity	NN
cord-252871-qfrpuy3t	117	9	seen	see	VBN
cord-252871-qfrpuy3t	117	10	in	in	IN
cord-252871-qfrpuy3t	117	11	virus	virus	NN
cord-252871-qfrpuy3t	117	12	replicons	replicon	NNS
cord-252871-qfrpuy3t	117	13	and	and	CC
cord-252871-qfrpuy3t	117	14	proposes	propose	VBZ
cord-252871-qfrpuy3t	117	15	mechanisms	mechanism	NNS
cord-252871-qfrpuy3t	117	16	for	for	IN
cord-252871-qfrpuy3t	117	17	the	the	DT
cord-252871-qfrpuy3t	117	18	origin	origin	NN
cord-252871-qfrpuy3t	117	19	of	of	IN
cord-252871-qfrpuy3t	117	20	virus	virus	NNP
cord-252871-qfrpuy3t	117	21	capsids	capsid	NNS
cord-252871-qfrpuy3t	117	22	and	and	CC
cord-252871-qfrpuy3t	117	23	giant	giant	JJ
cord-252871-qfrpuy3t	117	24	viruses	virus	NNS
cord-252871-qfrpuy3t	117	25	.	.	.
cord-252871-qfrpuy3t	118	1	We	-PRON-	PRP
cord-252871-qfrpuy3t	118	2	disagree	disagree	VBP
cord-252871-qfrpuy3t	118	3	with	with	IN
cord-252871-qfrpuy3t	118	4	the	the	DT
cord-252871-qfrpuy3t	118	5	model	model	NN
cord-252871-qfrpuy3t	118	6	on	on	IN
cord-252871-qfrpuy3t	118	7	two	two	CD
cord-252871-qfrpuy3t	118	8	major	major	JJ
cord-252871-qfrpuy3t	118	9	points	point	NNS
cord-252871-qfrpuy3t	118	10	.	.	.
cord-252871-qfrpuy3t	119	1	First	first	RB
cord-252871-qfrpuy3t	119	2	,	,	,
cord-252871-qfrpuy3t	119	3	it	-PRON-	PRP
cord-252871-qfrpuy3t	119	4	is	be	VBZ
cord-252871-qfrpuy3t	119	5	unnecessary	unnecessary	JJ
cord-252871-qfrpuy3t	119	6	to	to	TO
cord-252871-qfrpuy3t	119	7	invoke	invoke	VB
cord-252871-qfrpuy3t	119	8	a	a	DT
cord-252871-qfrpuy3t	119	9	pre	pre	JJ
cord-252871-qfrpuy3t	119	10	-	-	JJ
cord-252871-qfrpuy3t	119	11	cellular	cellular	JJ
cord-252871-qfrpuy3t	119	12	world	world	NN
cord-252871-qfrpuy3t	119	13	to	to	TO
cord-252871-qfrpuy3t	119	14	explain	explain	VB
cord-252871-qfrpuy3t	119	15	the	the	DT
cord-252871-qfrpuy3t	119	16	observed	observed	JJ
cord-252871-qfrpuy3t	119	17	replicon	replicon	NN
cord-252871-qfrpuy3t	119	18	and	and	CC
cord-252871-qfrpuy3t	119	19	genetic	genetic	JJ
cord-252871-qfrpuy3t	119	20	diversity	diversity	NN
cord-252871-qfrpuy3t	119	21	among	among	IN
cord-252871-qfrpuy3t	119	22	modern	modern	JJ
cord-252871-qfrpuy3t	119	23	-	-	HYPH
cord-252871-qfrpuy3t	119	24	day	day	NN
cord-252871-qfrpuy3t	119	25	viruses	virus	NNS
cord-252871-qfrpuy3t	119	26	.	.	.
cord-252871-qfrpuy3t	120	1	This	this	DT
cord-252871-qfrpuy3t	120	2	diversity	diversity	NN
cord-252871-qfrpuy3t	120	3	can	can	MD
cord-252871-qfrpuy3t	120	4	simply	simply	RB
cord-252871-qfrpuy3t	120	5	unfold	unfold	VB
cord-252871-qfrpuy3t	120	6	in	in	IN
cord-252871-qfrpuy3t	120	7	the	the	DT
cord-252871-qfrpuy3t	120	8	pool	pool	NN
cord-252871-qfrpuy3t	120	9	of	of	IN
cord-252871-qfrpuy3t	120	10	ancient	ancient	JJ
cord-252871-qfrpuy3t	120	11	cells	cell	NNS
cord-252871-qfrpuy3t	120	12	that	that	WDT
cord-252871-qfrpuy3t	120	13	existed	exist	VBD
cord-252871-qfrpuy3t	120	14	prior	prior	RB
cord-252871-qfrpuy3t	120	15	to	to	IN
cord-252871-qfrpuy3t	120	16	LUCA	LUCA	NNP
cord-252871-qfrpuy3t	120	17	.	.	.
cord-252871-qfrpuy3t	121	1	Second	second	RB
cord-252871-qfrpuy3t	121	2	,	,	,
cord-252871-qfrpuy3t	121	3	the	the	DT
cord-252871-qfrpuy3t	121	4	proposed	propose	VBN
cord-252871-qfrpuy3t	121	5	incremental	incremental	JJ
cord-252871-qfrpuy3t	121	6	growth	growth	NN
cord-252871-qfrpuy3t	121	7	of	of	IN
cord-252871-qfrpuy3t	121	8	viral	viral	JJ
cord-252871-qfrpuy3t	121	9	genomes	genome	NNS
cord-252871-qfrpuy3t	121	10	,	,	,
cord-252871-qfrpuy3t	121	11	especially	especially	RB
cord-252871-qfrpuy3t	121	12	large	large	JJ
cord-252871-qfrpuy3t	121	13	DNA	dna	NN
cord-252871-qfrpuy3t	121	14	viruses	virus	NNS
cord-252871-qfrpuy3t	121	15	,	,	,
cord-252871-qfrpuy3t	121	16	via	via	IN
cord-252871-qfrpuy3t	121	17	gene	gene	NN
cord-252871-qfrpuy3t	121	18	gain	gain	NN
cord-252871-qfrpuy3t	121	19	from	from	IN
cord-252871-qfrpuy3t	121	20	hosts	host	NNS
cord-252871-qfrpuy3t	121	21	is	be	VBZ
cord-252871-qfrpuy3t	121	22	incompatible	incompatible	JJ
cord-252871-qfrpuy3t	121	23	with	with	IN
cord-252871-qfrpuy3t	121	24	our	-PRON-	PRP$
cord-252871-qfrpuy3t	121	25	knowledge	knowledge	NN
cord-252871-qfrpuy3t	121	26	of	of	IN
cord-252871-qfrpuy3t	121	27	how	how	WRB
cord-252871-qfrpuy3t	121	28	endosymbiotic	endosymbiotic	JJ
cord-252871-qfrpuy3t	121	29	/	/	SYM
cord-252871-qfrpuy3t	121	30	parasitic	parasitic	JJ
cord-252871-qfrpuy3t	121	31	cells	cell	NNS
cord-252871-qfrpuy3t	121	32	evolve	evolve	VBP
cord-252871-qfrpuy3t	121	33	.	.	.
cord-252871-qfrpuy3t	122	1	Cells	cell	NNS
cord-252871-qfrpuy3t	122	2	committed	commit	VBN
cord-252871-qfrpuy3t	122	3	to	to	TO
cord-252871-qfrpuy3t	122	4	obligate	obligate	VB
cord-252871-qfrpuy3t	122	5	parasitism	parasitism	NN
cord-252871-qfrpuy3t	122	6	are	be	VBP
cord-252871-qfrpuy3t	122	7	characterized	characterize	VBN
cord-252871-qfrpuy3t	122	8	by	by	IN
cord-252871-qfrpuy3t	122	9	extreme	extreme	JJ
cord-252871-qfrpuy3t	122	10	genomic	genomic	JJ
cord-252871-qfrpuy3t	122	11	and	and	CC
cord-252871-qfrpuy3t	122	12	physical	physical	JJ
cord-252871-qfrpuy3t	122	13	reduction	reduction	NN
cord-252871-qfrpuy3t	122	14	as	as	IN
cord-252871-qfrpuy3t	122	15	they	-PRON-	PRP
cord-252871-qfrpuy3t	122	16	increase	increase	VBP
cord-252871-qfrpuy3t	122	17	dependency	dependency	NN
cord-252871-qfrpuy3t	122	18	on	on	IN
cord-252871-qfrpuy3t	122	19	their	-PRON-	PRP$
cord-252871-qfrpuy3t	122	20	hosts	host	NNS
cord-252871-qfrpuy3t	122	21	[	[	-LRB-
cord-252871-qfrpuy3t	122	22	26	26	CD
cord-252871-qfrpuy3t	122	23	,	,	,
cord-252871-qfrpuy3t	122	24	47	47	CD
cord-252871-qfrpuy3t	122	25	]	]	-RRB-
cord-252871-qfrpuy3t	122	26	.	.	.
cord-252871-qfrpuy3t	123	1	It	-PRON-	PRP
cord-252871-qfrpuy3t	123	2	makes	make	VBZ
cord-252871-qfrpuy3t	123	3	sense	sense	NN
cord-252871-qfrpuy3t	123	4	to	to	TO
cord-252871-qfrpuy3t	123	5	think	think	VB
cord-252871-qfrpuy3t	123	6	that	that	IN
cord-252871-qfrpuy3t	123	7	viruses	virus	NNS
cord-252871-qfrpuy3t	123	8	,	,	,
cord-252871-qfrpuy3t	123	9	which	which	WDT
cord-252871-qfrpuy3t	123	10	are	be	VBP
cord-252871-qfrpuy3t	123	11	the	the	DT
cord-252871-qfrpuy3t	123	12	ultimate	ultimate	JJ
cord-252871-qfrpuy3t	123	13	examples	example	NNS
cord-252871-qfrpuy3t	123	14	of	of	IN
cord-252871-qfrpuy3t	123	15	parasitism	parasitism	NN
cord-252871-qfrpuy3t	123	16	,	,	,
cord-252871-qfrpuy3t	123	17	would	would	MD
cord-252871-qfrpuy3t	123	18	also	also	RB
cord-252871-qfrpuy3t	123	19	evolve	evolve	VB
cord-252871-qfrpuy3t	123	20	similarly	similarly	RB
cord-252871-qfrpuy3t	123	21	.	.	.
cord-252871-qfrpuy3t	124	1	This	this	DT
cord-252871-qfrpuy3t	124	2	'	'	``
cord-252871-qfrpuy3t	124	3	reduction	reduction	NN
cord-252871-qfrpuy3t	124	4	'	'	''
cord-252871-qfrpuy3t	124	5	scenario	scenario	NN
cord-252871-qfrpuy3t	124	6	is	be	VBZ
cord-252871-qfrpuy3t	124	7	more	more	RBR
cord-252871-qfrpuy3t	124	8	parsimonious	parsimonious	JJ
cord-252871-qfrpuy3t	124	9	when	when	WRB
cord-252871-qfrpuy3t	124	10	one	one	PRP
cord-252871-qfrpuy3t	124	11	considers	consider	VBZ
cord-252871-qfrpuy3t	124	12	the	the	DT
cord-252871-qfrpuy3t	124	13	gigantic	gigantic	JJ
cord-252871-qfrpuy3t	124	14	genome	genome	NN
cord-252871-qfrpuy3t	124	15	sizes	size	NNS
cord-252871-qfrpuy3t	124	16	of	of	IN
cord-252871-qfrpuy3t	124	17	pandoraviruses	pandoraviruse	NNS
cord-252871-qfrpuy3t	124	18	(	(	-LRB-
cord-252871-qfrpuy3t	124	19	~2500	~2500	CD
cord-252871-qfrpuy3t	124	20	genes	gene	NNS
cord-252871-qfrpuy3t	124	21	)	)	-RRB-
cord-252871-qfrpuy3t	124	22	.	.	.
cord-252871-qfrpuy3t	125	1	There	there	EX
cord-252871-qfrpuy3t	125	2	is	be	VBZ
cord-252871-qfrpuy3t	125	3	no	no	DT
cord-252871-qfrpuy3t	125	4	clear	clear	JJ
cord-252871-qfrpuy3t	125	5	incentive	incentive	NN
cord-252871-qfrpuy3t	125	6	as	as	IN
cord-252871-qfrpuy3t	125	7	to	to	IN
cord-252871-qfrpuy3t	125	8	why	why	WRB
cord-252871-qfrpuy3t	125	9	a	a	DT
cord-252871-qfrpuy3t	125	10	small	small	JJ
cord-252871-qfrpuy3t	125	11	-	-	HYPH
cord-252871-qfrpuy3t	125	12	sized	sized	JJ
cord-252871-qfrpuy3t	125	13	virus	virus	NN
cord-252871-qfrpuy3t	125	14	genome	genome	NN
cord-252871-qfrpuy3t	125	15	(	(	-LRB-
cord-252871-qfrpuy3t	125	16	~5	~5	NNP
cord-252871-qfrpuy3t	125	17	genes	gene	NNS
cord-252871-qfrpuy3t	125	18	in	in	IN
cord-252871-qfrpuy3t	125	19	papillomaviruses	papillomaviruse	NNS
cord-252871-qfrpuy3t	125	20	)	)	-RRB-
cord-252871-qfrpuy3t	125	21	would	would	MD
cord-252871-qfrpuy3t	125	22	adopt	adopt	VB
cord-252871-qfrpuy3t	125	23	a	a	DT
cord-252871-qfrpuy3t	125	24	scenario	scenario	NN
cord-252871-qfrpuy3t	125	25	is	be	VBZ
cord-252871-qfrpuy3t	125	26	incompatible	incompatible	JJ
cord-252871-qfrpuy3t	125	27	with	with	IN
cord-252871-qfrpuy3t	125	28	the	the	DT
cord-252871-qfrpuy3t	125	29	proposed	propose	VBN
cord-252871-qfrpuy3t	125	30	generic	generic	JJ
cord-252871-qfrpuy3t	125	31	definition	definition	NN
cord-252871-qfrpuy3t	125	32	of	of	IN
cord-252871-qfrpuy3t	125	33	virus	virus	NN
cord-252871-qfrpuy3t	125	34	propagation	propagation	NN
cord-252871-qfrpuy3t	125	35	inside	inside	IN
cord-252871-qfrpuy3t	125	36	cells	cell	NNS
cord-252871-qfrpuy3t	125	37	.	.	.
cord-252871-qfrpuy3t	126	1	In	in	IN
cord-252871-qfrpuy3t	126	2	turn	turn	NN
cord-252871-qfrpuy3t	126	3	,	,	,
cord-252871-qfrpuy3t	126	4	the	the	DT
cord-252871-qfrpuy3t	126	5	origin	origin	NN
cord-252871-qfrpuy3t	126	6	of	of	IN
cord-252871-qfrpuy3t	126	7	archaeoviruses	archaeoviruse	NNS
cord-252871-qfrpuy3t	126	8	from	from	IN
cord-252871-qfrpuy3t	126	9	Archaea	Archaea	NNP
cord-252871-qfrpuy3t	126	10	,	,	,
cord-252871-qfrpuy3t	126	11	bacterioviruses	bacterioviruse	NNS
cord-252871-qfrpuy3t	126	12	from	from	IN
cord-252871-qfrpuy3t	126	13	Bacteria	Bacteria	NNS
cord-252871-qfrpuy3t	126	14	,	,	,
cord-252871-qfrpuy3t	126	15	and	and	CC
cord-252871-qfrpuy3t	126	16	eukaryoviruses	eukaryoviruse	NNS
cord-252871-qfrpuy3t	126	17	from	from	IN
cord-252871-qfrpuy3t	126	18	Eukarya	Eukarya	NNP
cord-252871-qfrpuy3t	126	19	also	also	RB
cord-252871-qfrpuy3t	126	20	seems	seem	VBZ
cord-252871-qfrpuy3t	126	21	less	less	RBR
cord-252871-qfrpuy3t	126	22	likely	likely	JJ
cord-252871-qfrpuy3t	126	23	as	as	IN
cord-252871-qfrpuy3t	126	24	these	these	DT
cord-252871-qfrpuy3t	126	25	viruses	virus	NNS
cord-252871-qfrpuy3t	126	26	share	share	VBP
cord-252871-qfrpuy3t	126	27	several	several	JJ
cord-252871-qfrpuy3t	126	28	conserved	conserve	VBN
cord-252871-qfrpuy3t	126	29	protein	protein	NN
cord-252871-qfrpuy3t	126	30	folds	fold	NNS
cord-252871-qfrpuy3t	126	31	involved	involve	VBN
cord-252871-qfrpuy3t	126	32	in	in	IN
cord-252871-qfrpuy3t	126	33	virion	virion	NN
cord-252871-qfrpuy3t	126	34	synthesis	synthesis	NN
cord-252871-qfrpuy3t	126	35	and	and	CC
cord-252871-qfrpuy3t	126	36	other	other	JJ
cord-252871-qfrpuy3t	126	37	functions	function	NNS
cord-252871-qfrpuy3t	126	38	,	,	,
cord-252871-qfrpuy3t	126	39	indicating	indicate	VBG
cord-252871-qfrpuy3t	126	40	that	that	IN
cord-252871-qfrpuy3t	126	41	they	-PRON-	PRP
cord-252871-qfrpuy3t	126	42	may	may	MD
cord-252871-qfrpuy3t	126	43	have	have	VB
cord-252871-qfrpuy3t	126	44	evolved	evolve	VBN
cord-252871-qfrpuy3t	126	45	prior	prior	RB
cord-252871-qfrpuy3t	126	46	to	to	IN
cord-252871-qfrpuy3t	126	47	the	the	DT
cord-252871-qfrpuy3t	126	48	diversification	diversification	NN
cord-252871-qfrpuy3t	126	49	of	of	IN
cord-252871-qfrpuy3t	126	50	LUCA	LUCA	NNP
cord-252871-qfrpuy3t	126	51	into	into	IN
cord-252871-qfrpuy3t	126	52	modern	modern	JJ
cord-252871-qfrpuy3t	126	53	cells	cell	NNS
cord-252871-qfrpuy3t	126	54	.	.	.
cord-252871-qfrpuy3t	127	1	These	these	DT
cord-252871-qfrpuy3t	127	2	considerations	consideration	NNS
cord-252871-qfrpuy3t	127	3	support	support	VBP
cord-252871-qfrpuy3t	127	4	an	an	DT
cord-252871-qfrpuy3t	127	5	intermediate	intermediate	JJ
cord-252871-qfrpuy3t	127	6	timing	timing	NN
cord-252871-qfrpuy3t	127	7	for	for	IN
cord-252871-qfrpuy3t	127	8	the	the	DT
cord-252871-qfrpuy3t	127	9	origin	origin	NN
cord-252871-qfrpuy3t	127	10	of	of	IN
cord-252871-qfrpuy3t	127	11	viruses	virus	NNS
cord-252871-qfrpuy3t	127	12	,	,	,
cord-252871-qfrpuy3t	127	13	that	that	RB
cord-252871-qfrpuy3t	127	14	is	is	RB
cord-252871-qfrpuy3t	127	15	,	,	,
cord-252871-qfrpuy3t	127	16	from	from	IN
cord-252871-qfrpuy3t	127	17	ancient	ancient	JJ
cord-252871-qfrpuy3t	127	18	cells	cell	NNS
cord-252871-qfrpuy3t	127	19	that	that	WDT
cord-252871-qfrpuy3t	127	20	existed	exist	VBD
cord-252871-qfrpuy3t	127	21	prior	prior	RB
cord-252871-qfrpuy3t	127	22	to	to	IN
cord-252871-qfrpuy3t	127	23	LUCA	LUCA	NNP
cord-252871-qfrpuy3t	127	24	.	.	.
cord-252871-qfrpuy3t	128	1	Modified	modify	VBN
cord-252871-qfrpuy3t	128	2	from	from	IN
cord-252871-qfrpuy3t	128	3	[	[	-LRB-
cord-252871-qfrpuy3t	128	4	82	82	CD
cord-252871-qfrpuy3t	128	5	]	]	-RRB-
cord-252871-qfrpuy3t	128	6	.	.	.
cord-252871-qfrpuy3t	129	1	Abbreviation	abbreviation	NN
cord-252871-qfrpuy3t	129	2	:	:	:
cord-252871-qfrpuy3t	129	3	LUCA	LUCA	NNP
cord-252871-qfrpuy3t	129	4	,	,	,
cord-252871-qfrpuy3t	129	5	last	last	JJ
cord-252871-qfrpuy3t	129	6	universal	universal	JJ
cord-252871-qfrpuy3t	129	7	common	common	JJ
cord-252871-qfrpuy3t	129	8	ancestor	ancestor	NN
cord-252871-qfrpuy3t	129	9	.	.	.
cord-252871-qfrpuy3t	130	1	pathway	pathway	NN
cord-252871-qfrpuy3t	130	2	towards	towards	IN
cord-252871-qfrpuy3t	130	3	gigantism	gigantism	NN
cord-252871-qfrpuy3t	130	4	,	,	,
cord-252871-qfrpuy3t	130	5	when	when	WRB
cord-252871-qfrpuy3t	130	6	it	-PRON-	PRP
cord-252871-qfrpuy3t	130	7	is	be	VBZ
cord-252871-qfrpuy3t	130	8	already	already	RB
cord-252871-qfrpuy3t	130	9	a	a	DT
cord-252871-qfrpuy3t	130	10	well	well	RB
cord-252871-qfrpuy3t	130	11	-	-	HYPH
cord-252871-qfrpuy3t	130	12	established	establish	VBN
cord-252871-qfrpuy3t	130	13	parasite	parasite	NN
cord-252871-qfrpuy3t	130	14	.	.	.
cord-252871-qfrpuy3t	131	1	Moreover	moreover	RB
cord-252871-qfrpuy3t	131	2	,	,	,
cord-252871-qfrpuy3t	131	3	regular	regular	JJ
cord-252871-qfrpuy3t	131	4	and	and	CC
cord-252871-qfrpuy3t	131	5	recent	recent	JJ
cord-252871-qfrpuy3t	131	6	gene	gene	NN
cord-252871-qfrpuy3t	131	7	uptake	uptake	NN
cord-252871-qfrpuy3t	131	8	from	from	IN
cord-252871-qfrpuy3t	131	9	cells	cell	NNS
cord-252871-qfrpuy3t	131	10	is	be	VBZ
cord-252871-qfrpuy3t	131	11	expected	expect	VBN
cord-252871-qfrpuy3t	131	12	to	to	TO
cord-252871-qfrpuy3t	131	13	leave	leave	VB
cord-252871-qfrpuy3t	131	14	detectable	detectable	JJ
cord-252871-qfrpuy3t	131	15	similarity	similarity	NN
cord-252871-qfrpuy3t	131	16	traces	trace	NNS
cord-252871-qfrpuy3t	131	17	in	in	IN
cord-252871-qfrpuy3t	131	18	the	the	DT
cord-252871-qfrpuy3t	131	19	viral	viral	JJ
cord-252871-qfrpuy3t	131	20	genomes	genome	NNS
cord-252871-qfrpuy3t	131	21	.	.	.
cord-252871-qfrpuy3t	132	1	However	however	RB
cord-252871-qfrpuy3t	132	2	,	,	,
cord-252871-qfrpuy3t	132	3	>	>	XX
cord-252871-qfrpuy3t	132	4	90	90	CD
cord-252871-qfrpuy3t	132	5	%	%	NN
cord-252871-qfrpuy3t	132	6	of	of	IN
cord-252871-qfrpuy3t	132	7	Pandoravirus	Pandoravirus	NNP
cord-252871-qfrpuy3t	132	8	genes	gene	NNS
cord-252871-qfrpuy3t	132	9	show	show	VBP
cord-252871-qfrpuy3t	132	10	no	no	DT
cord-252871-qfrpuy3t	132	11	similarity	similarity	NN
cord-252871-qfrpuy3t	132	12	to	to	IN
cord-252871-qfrpuy3t	132	13	cellular	cellular	JJ
cord-252871-qfrpuy3t	132	14	genes	gene	NNS
cord-252871-qfrpuy3t	132	15	[	[	-LRB-
cord-252871-qfrpuy3t	132	16	24	24	CD
cord-252871-qfrpuy3t	132	17	]	]	-RRB-
cord-252871-qfrpuy3t	132	18	(	(	-LRB-
cord-252871-qfrpuy3t	132	19	a	a	DT
cord-252871-qfrpuy3t	132	20	feature	feature	NN
cord-252871-qfrpuy3t	132	21	conserved	conserve	VBN
cord-252871-qfrpuy3t	132	22	in	in	IN
cord-252871-qfrpuy3t	132	23	many	many	JJ
cord-252871-qfrpuy3t	132	24	viruses	virus	NNS
cord-252871-qfrpuy3t	132	25	[	[	-LRB-
cord-252871-qfrpuy3t	132	26	41	41	CD
cord-252871-qfrpuy3t	132	27	]	]	-RRB-
cord-252871-qfrpuy3t	132	28	,	,	,
cord-252871-qfrpuy3t	132	29	see	see	VB
cord-252871-qfrpuy3t	132	30	also	also	RB
cord-252871-qfrpuy3t	132	31	[	[	-LRB-
cord-252871-qfrpuy3t	132	32	48	48	CD
cord-252871-qfrpuy3t	132	33	]	]	-RRB-
cord-252871-qfrpuy3t	132	34	)	)	-RRB-
cord-252871-qfrpuy3t	132	35	and	and	CC
cord-252871-qfrpuy3t	132	36	viruses	virus	NNS
cord-252871-qfrpuy3t	132	37	encode	encode	VBP
cord-252871-qfrpuy3t	132	38	several	several	JJ
cord-252871-qfrpuy3t	132	39	protein	protein	NN
cord-252871-qfrpuy3t	132	40	fold	fold	NN
cord-252871-qfrpuy3t	132	41	structures	structure	NNS
cord-252871-qfrpuy3t	132	42	that	that	WDT
cord-252871-qfrpuy3t	132	43	have	have	VBP
cord-252871-qfrpuy3t	132	44	never	never	RB
cord-252871-qfrpuy3t	132	45	been	be	VBN
cord-252871-qfrpuy3t	132	46	detected	detect	VBN
cord-252871-qfrpuy3t	132	47	in	in	IN
cord-252871-qfrpuy3t	132	48	cells	cell	NNS
cord-252871-qfrpuy3t	132	49	[	[	-LRB-
cord-252871-qfrpuy3t	132	50	41	41	CD
cord-252871-qfrpuy3t	132	51	]	]	-RRB-
cord-252871-qfrpuy3t	132	52	.	.	.
cord-252871-qfrpuy3t	133	1	It	-PRON-	PRP
cord-252871-qfrpuy3t	133	2	is	be	VBZ
cord-252871-qfrpuy3t	133	3	strange	strange	JJ
cord-252871-qfrpuy3t	133	4	to	to	TO
cord-252871-qfrpuy3t	133	5	think	think	VB
cord-252871-qfrpuy3t	133	6	that	that	IN
cord-252871-qfrpuy3t	133	7	regularly	regularly	RB
cord-252871-qfrpuy3t	133	8	and	and	CC
cord-252871-qfrpuy3t	133	9	recently	recently	RB
cord-252871-qfrpuy3t	133	10	captured	capture	VBD
cord-252871-qfrpuy3t	133	11	viral	viral	JJ
cord-252871-qfrpuy3t	133	12	genes	gene	NNS
cord-252871-qfrpuy3t	133	13	are	be	VBP
cord-252871-qfrpuy3t	133	14	no	no	RB
cord-252871-qfrpuy3t	133	15	longer	long	RBR
cord-252871-qfrpuy3t	133	16	recognizable	recognizable	JJ
cord-252871-qfrpuy3t	133	17	whereas	whereas	IN
cord-252871-qfrpuy3t	133	18	presumably	presumably	RB
cord-252871-qfrpuy3t	133	19	ancient	ancient	JJ
cord-252871-qfrpuy3t	133	20	'	'	``
cord-252871-qfrpuy3t	133	21	core	core	NN
cord-252871-qfrpuy3t	133	22	'	'	''
cord-252871-qfrpuy3t	133	23	genes	gene	NNS
cord-252871-qfrpuy3t	133	24	used	use	VBN
cord-252871-qfrpuy3t	133	25	to	to	TO
cord-252871-qfrpuy3t	133	26	build	build	VB
cord-252871-qfrpuy3t	133	27	virus	virus	NN
cord-252871-qfrpuy3t	133	28	phylogenies	phylogeny	NNS
cord-252871-qfrpuy3t	133	29	are	be	VBP
cord-252871-qfrpuy3t	133	30	readily	readily	RB
cord-252871-qfrpuy3t	133	31	recognizable	recognizable	JJ
cord-252871-qfrpuy3t	133	32	.	.	.
cord-252871-qfrpuy3t	134	1	Surprisingly	surprisingly	RB
cord-252871-qfrpuy3t	134	2	,	,	,
cord-252871-qfrpuy3t	134	3	the	the	DT
cord-252871-qfrpuy3t	134	4	existence	existence	NN
cord-252871-qfrpuy3t	134	5	and	and	CC
cord-252871-qfrpuy3t	134	6	abundance	abundance	NN
cord-252871-qfrpuy3t	134	7	of	of	IN
cord-252871-qfrpuy3t	134	8	virus	virus	NN
cord-252871-qfrpuy3t	134	9	-	-	HYPH
cord-252871-qfrpuy3t	134	10	specific	specific	JJ
cord-252871-qfrpuy3t	134	11	genes	gene	NNS
cord-252871-qfrpuy3t	134	12	(	(	-LRB-
cord-252871-qfrpuy3t	134	13	i.e.	i.e.	FW
cord-252871-qfrpuy3t	134	14	,	,	,
cord-252871-qfrpuy3t	134	15	genes	gene	NNS
cord-252871-qfrpuy3t	134	16	or	or	CC
cord-252871-qfrpuy3t	134	17	protein	protein	NN
cord-252871-qfrpuy3t	134	18	folds	fold	NNS
cord-252871-qfrpuy3t	134	19	detected	detect	VBN
cord-252871-qfrpuy3t	134	20	only	only	RB
cord-252871-qfrpuy3t	134	21	in	in	IN
cord-252871-qfrpuy3t	134	22	viral	viral	JJ
cord-252871-qfrpuy3t	134	23	genomes	genome	NNS
cord-252871-qfrpuy3t	134	24	)	)	-RRB-
cord-252871-qfrpuy3t	134	25	are	be	VBP
cord-252871-qfrpuy3t	134	26	rarely	rarely	RB
cord-252871-qfrpuy3t	134	27	discussed	discuss	VBN
cord-252871-qfrpuy3t	134	28	in	in	IN
cord-252871-qfrpuy3t	134	29	the	the	DT
cord-252871-qfrpuy3t	134	30	models	model	NNS
cord-252871-qfrpuy3t	134	31	of	of	IN
cord-252871-qfrpuy3t	134	32	virus	virus	NN
cord-252871-qfrpuy3t	134	33	origin	origin	NN
cord-252871-qfrpuy3t	134	34	and	and	CC
cord-252871-qfrpuy3t	134	35	evolution	evolution	NN
cord-252871-qfrpuy3t	134	36	.	.	.
cord-252871-qfrpuy3t	135	1	Instead	instead	RB
cord-252871-qfrpuy3t	135	2	,	,	,
cord-252871-qfrpuy3t	135	3	homology	homology	NN
cord-252871-qfrpuy3t	135	4	of	of	IN
cord-252871-qfrpuy3t	135	5	a	a	DT
cord-252871-qfrpuy3t	135	6	subset	subset	NN
cord-252871-qfrpuy3t	135	7	of	of	IN
cord-252871-qfrpuy3t	135	8	'	'	``
cord-252871-qfrpuy3t	135	9	core	core	NN
cord-252871-qfrpuy3t	135	10	'	'	''
cord-252871-qfrpuy3t	135	11	virus	virus	NN
cord-252871-qfrpuy3t	135	12	genes	gene	NNS
cord-252871-qfrpuy3t	135	13	to	to	IN
cord-252871-qfrpuy3t	135	14	their	-PRON-	PRP$
cord-252871-qfrpuy3t	135	15	cellular	cellular	JJ
cord-252871-qfrpuy3t	135	16	counterparts	counterpart	NNS
cord-252871-qfrpuy3t	135	17	is	be	VBZ
cord-252871-qfrpuy3t	135	18	used	use	VBN
cord-252871-qfrpuy3t	135	19	to	to	TO
cord-252871-qfrpuy3t	135	20	generalize	generalize	VB
cord-252871-qfrpuy3t	135	21	the	the	DT
cord-252871-qfrpuy3t	135	22	notion	notion	NN
cord-252871-qfrpuy3t	135	23	that	that	IN
cord-252871-qfrpuy3t	135	24	viruses	virus	NNS
cord-252871-qfrpuy3t	135	25	evolve	evolve	VBP
cord-252871-qfrpuy3t	135	26	by	by	IN
cord-252871-qfrpuy3t	135	27	acquiring	acquire	VBG
cord-252871-qfrpuy3t	135	28	cellular	cellular	JJ
cord-252871-qfrpuy3t	135	29	genes	gene	NNS
cord-252871-qfrpuy3t	135	30	[	[	-LRB-
cord-252871-qfrpuy3t	135	31	49	49	CD
cord-252871-qfrpuy3t	135	32	]	]	-RRB-
cord-252871-qfrpuy3t	135	33	.	.	.
cord-252871-qfrpuy3t	136	1	This	this	DT
cord-252871-qfrpuy3t	136	2	practice	practice	NN
cord-252871-qfrpuy3t	136	3	yields	yield	VBZ
cord-252871-qfrpuy3t	136	4	an	an	DT
cord-252871-qfrpuy3t	136	5	incomplete	incomplete	JJ
cord-252871-qfrpuy3t	136	6	view	view	NN
cord-252871-qfrpuy3t	136	7	of	of	IN
cord-252871-qfrpuy3t	136	8	the	the	DT
cord-252871-qfrpuy3t	136	9	composition	composition	NN
cord-252871-qfrpuy3t	136	10	and	and	CC
cord-252871-qfrpuy3t	136	11	evolution	evolution	NN
cord-252871-qfrpuy3t	136	12	of	of	IN
cord-252871-qfrpuy3t	136	13	virus	virus	NN
cord-252871-qfrpuy3t	136	14	genomes	genome	NNS
cord-252871-qfrpuy3t	136	15	and	and	CC
cord-252871-qfrpuy3t	136	16	ignores	ignore	VBZ
cord-252871-qfrpuy3t	136	17	the	the	DT
cord-252871-qfrpuy3t	136	18	significant	significant	JJ
cord-252871-qfrpuy3t	136	19	de	de	FW
cord-252871-qfrpuy3t	136	20	novo	novo	NNP
cord-252871-qfrpuy3t	136	21	gene	gene	NN
cord-252871-qfrpuy3t	136	22	creation	creation	NN
cord-252871-qfrpuy3t	136	23	abilities	ability	NNS
cord-252871-qfrpuy3t	136	24	in	in	IN
cord-252871-qfrpuy3t	136	25	viruses	virus	NNS
cord-252871-qfrpuy3t	136	26	,	,	,
cord-252871-qfrpuy3t	136	27	especially	especially	RB
cord-252871-qfrpuy3t	136	28	in	in	IN
cord-252871-qfrpuy3t	136	29	pandoraviruses	pandoraviruse	NNS
cord-252871-qfrpuy3t	136	30	[	[	-LRB-
cord-252871-qfrpuy3t	136	31	42	42	CD
cord-252871-qfrpuy3t	136	32	]	]	-RRB-
cord-252871-qfrpuy3t	136	33	.	.	.
cord-252871-qfrpuy3t	137	1	Moreover	moreover	RB
cord-252871-qfrpuy3t	137	2	,	,	,
cord-252871-qfrpuy3t	137	3	'	'	``
cord-252871-qfrpuy3t	137	4	core	core	NN
cord-252871-qfrpuy3t	137	5	'	'	''
cord-252871-qfrpuy3t	137	6	genes	gene	NNS
cord-252871-qfrpuy3t	137	7	describe	describe	VBP
cord-252871-qfrpuy3t	137	8	the	the	DT
cord-252871-qfrpuy3t	137	9	evolutionary	evolutionary	JJ
cord-252871-qfrpuy3t	137	10	histories	history	NNS
cord-252871-qfrpuy3t	137	11	of	of	IN
cord-252871-qfrpuy3t	137	12	individual	individual	JJ
cord-252871-qfrpuy3t	137	13	genes	gene	NNS
cord-252871-qfrpuy3t	137	14	and	and	CC
cord-252871-qfrpuy3t	137	15	not	not	RB
cord-252871-qfrpuy3t	137	16	the	the	DT
cord-252871-qfrpuy3t	137	17	whole	whole	JJ
cord-252871-qfrpuy3t	137	18	organisms	organism	NNS
cord-252871-qfrpuy3t	137	19	.	.	.
cord-252871-qfrpuy3t	138	1	They	-PRON-	PRP
cord-252871-qfrpuy3t	138	2	can	can	MD
cord-252871-qfrpuy3t	138	3	be	be	VB
cord-252871-qfrpuy3t	138	4	patchily	patchily	RB
cord-252871-qfrpuy3t	138	5	distributed	distribute	VBN
cord-252871-qfrpuy3t	138	6	,	,	,
cord-252871-qfrpuy3t	138	7	similar	similar	JJ
cord-252871-qfrpuy3t	138	8	to	to	IN
cord-252871-qfrpuy3t	138	9	virus	virus	NN
cord-252871-qfrpuy3t	138	10	-	-	HYPH
cord-252871-qfrpuy3t	138	11	specific	specific	JJ
cord-252871-qfrpuy3t	138	12	genes	gene	NNS
cord-252871-qfrpuy3t	138	13	,	,	,
cord-252871-qfrpuy3t	138	14	and	and	CC
cord-252871-qfrpuy3t	138	15	the	the	DT
cord-252871-qfrpuy3t	138	16	number	number	NN
cord-252871-qfrpuy3t	138	17	of	of	IN
cord-252871-qfrpuy3t	138	18	available	available	JJ
cord-252871-qfrpuy3t	138	19	core	core	NN
cord-252871-qfrpuy3t	138	20	genes	gene	NNS
cord-252871-qfrpuy3t	138	21	for	for	IN
cord-252871-qfrpuy3t	138	22	phylogenetic	phylogenetic	JJ
cord-252871-qfrpuy3t	138	23	studies	study	NNS
cord-252871-qfrpuy3t	138	24	is	be	VBZ
cord-252871-qfrpuy3t	138	25	strongly	strongly	RB
cord-252871-qfrpuy3t	138	26	dependent	dependent	JJ
cord-252871-qfrpuy3t	138	27	on	on	IN
cord-252871-qfrpuy3t	138	28	the	the	DT
cord-252871-qfrpuy3t	138	29	number	number	NN
cord-252871-qfrpuy3t	138	30	of	of	IN
cord-252871-qfrpuy3t	138	31	sampled	sample	VBN
cord-252871-qfrpuy3t	138	32	genomes	genome	NNS
cord-252871-qfrpuy3t	138	33	and	and	CC
cord-252871-qfrpuy3t	138	34	their	-PRON-	PRP$
cord-252871-qfrpuy3t	138	35	taxonomic	taxonomic	JJ
cord-252871-qfrpuy3t	138	36	range	range	NN
cord-252871-qfrpuy3t	138	37	[	[	-LRB-
cord-252871-qfrpuy3t	138	38	50	50	CD
cord-252871-qfrpuy3t	138	39	]	]	-RRB-
cord-252871-qfrpuy3t	138	40	.	.	.
cord-252871-qfrpuy3t	139	1	For	for	IN
cord-252871-qfrpuy3t	139	2	example	example	NN
cord-252871-qfrpuy3t	139	3	,	,	,
cord-252871-qfrpuy3t	139	4	no	no	DT
cord-252871-qfrpuy3t	139	5	single	single	JJ
cord-252871-qfrpuy3t	139	6	gene	gene	NN
cord-252871-qfrpuy3t	139	7	or	or	CC
cord-252871-qfrpuy3t	139	8	protein	protein	NN
cord-252871-qfrpuy3t	139	9	fold	fold	NN
cord-252871-qfrpuy3t	139	10	is	be	VBZ
cord-252871-qfrpuy3t	139	11	conserved	conserve	VBN
cord-252871-qfrpuy3t	139	12	across	across	IN
cord-252871-qfrpuy3t	139	13	all	all	DT
cord-252871-qfrpuy3t	139	14	RNA	RNA	NNP
cord-252871-qfrpuy3t	139	15	and	and	CC
cord-252871-qfrpuy3t	139	16	DNA	dna	NN
cord-252871-qfrpuy3t	139	17	viruses	virus	NNS
cord-252871-qfrpuy3t	139	18	and	and	CC
cord-252871-qfrpuy3t	139	19	very	very	RB
cord-252871-qfrpuy3t	139	20	few	few	JJ
cord-252871-qfrpuy3t	139	21	are	be	VBP
cord-252871-qfrpuy3t	139	22	conserved	conserve	VBN
cord-252871-qfrpuy3t	139	23	across	across	IN
cord-252871-qfrpuy3t	139	24	diverse	diverse	JJ
cord-252871-qfrpuy3t	139	25	virus	virus	NN
cord-252871-qfrpuy3t	139	26	families	family	NNS
cord-252871-qfrpuy3t	139	27	(	(	-LRB-
cord-252871-qfrpuy3t	139	28	e.g.	e.g.	RB
cord-252871-qfrpuy3t	139	29	,	,	,
cord-252871-qfrpuy3t	139	30	DNA	dna	NN
cord-252871-qfrpuy3t	139	31	polymerase	polymerase	NN
cord-252871-qfrpuy3t	139	32	is	be	VBZ
cord-252871-qfrpuy3t	139	33	conserved	conserve	VBN
cord-252871-qfrpuy3t	139	34	in	in	IN
cord-252871-qfrpuy3t	139	35	many	many	JJ
cord-252871-qfrpuy3t	139	36	DNA	dna	NN
cord-252871-qfrpuy3t	139	37	viruses	virus	NNS
cord-252871-qfrpuy3t	139	38	but	but	CC
cord-252871-qfrpuy3t	139	39	not	not	RB
cord-252871-qfrpuy3t	139	40	in	in	IN
cord-252871-qfrpuy3t	139	41	papillomaviruses	papillomaviruse	NNS
cord-252871-qfrpuy3t	139	42	,	,	,
cord-252871-qfrpuy3t	139	43	and	and	CC
cord-252871-qfrpuy3t	139	44	RNA	RNA	NNP
cord-252871-qfrpuy3t	139	45	polymerase	polymerase	NN
cord-252871-qfrpuy3t	139	46	is	be	VBZ
cord-252871-qfrpuy3t	139	47	conserved	conserve	VBN
cord-252871-qfrpuy3t	139	48	in	in	IN
cord-252871-qfrpuy3t	139	49	many	many	JJ
cord-252871-qfrpuy3t	139	50	RNA	RNA	NNP
cord-252871-qfrpuy3t	139	51	viruses	virus	NNS
cord-252871-qfrpuy3t	139	52	but	but	CC
cord-252871-qfrpuy3t	139	53	not	not	RB
cord-252871-qfrpuy3t	139	54	in	in	IN
cord-252871-qfrpuy3t	139	55	satellite	satellite	NN
cord-252871-qfrpuy3t	139	56	viruses	virus	NNS
cord-252871-qfrpuy3t	139	57	)	)	-RRB-
cord-252871-qfrpuy3t	139	58	.	.	.
cord-252871-qfrpuy3t	140	1	The	the	DT
cord-252871-qfrpuy3t	140	2	patchy	patchy	JJ
cord-252871-qfrpuy3t	140	3	distribution	distribution	NN
cord-252871-qfrpuy3t	140	4	of	of	IN
cord-252871-qfrpuy3t	140	5	both	both	CC
cord-252871-qfrpuy3t	140	6	the	the	DT
cord-252871-qfrpuy3t	140	7	core	core	NN
cord-252871-qfrpuy3t	140	8	and	and	CC
cord-252871-qfrpuy3t	140	9	virus	virus	NN
cord-252871-qfrpuy3t	140	10	-	-	HYPH
cord-252871-qfrpuy3t	140	11	specific	specific	JJ
cord-252871-qfrpuy3t	140	12	genes	gene	NNS
cord-252871-qfrpuy3t	140	13	is	be	VBZ
cord-252871-qfrpuy3t	140	14	expected	expect	VBN
cord-252871-qfrpuy3t	140	15	from	from	IN
cord-252871-qfrpuy3t	140	16	random	random	JJ
cord-252871-qfrpuy3t	140	17	reductive	reductive	JJ
cord-252871-qfrpuy3t	140	18	evolution	evolution	NN
cord-252871-qfrpuy3t	140	19	where	where	WRB
cord-252871-qfrpuy3t	140	20	lost	lose	VBN
cord-252871-qfrpuy3t	140	21	and	and	CC
cord-252871-qfrpuy3t	140	22	conserved	conserve	VBN
cord-252871-qfrpuy3t	140	23	genes	gene	NNS
cord-252871-qfrpuy3t	140	24	were	be	VBD
cord-252871-qfrpuy3t	140	25	randomly	randomly	RB
cord-252871-qfrpuy3t	140	26	selected	select	VBN
cord-252871-qfrpuy3t	140	27	from	from	IN
cord-252871-qfrpuy3t	140	28	ancient	ancient	JJ
cord-252871-qfrpuy3t	140	29	cells	cell	NNS
cord-252871-qfrpuy3t	140	30	.	.	.
cord-252871-qfrpuy3t	141	1	We	-PRON-	PRP
cord-252871-qfrpuy3t	141	2	therefore	therefore	RB
cord-252871-qfrpuy3t	141	3	propose	propose	VBP
cord-252871-qfrpuy3t	141	4	that	that	IN
cord-252871-qfrpuy3t	141	5	viruses	virus	NNS
cord-252871-qfrpuy3t	141	6	,	,	,
cord-252871-qfrpuy3t	141	7	especially	especially	RB
cord-252871-qfrpuy3t	141	8	DNA	dna	NN
cord-252871-qfrpuy3t	141	9	viruses	virus	NNS
cord-252871-qfrpuy3t	141	10	,	,	,
cord-252871-qfrpuy3t	141	11	evolved	evolve	VBD
cord-252871-qfrpuy3t	141	12	from	from	IN
cord-252871-qfrpuy3t	141	13	one	one	CD
cord-252871-qfrpuy3t	141	14	or	or	CC
cord-252871-qfrpuy3t	141	15	multiple	multiple	JJ
cord-252871-qfrpuy3t	141	16	ancient	ancient	JJ
cord-252871-qfrpuy3t	141	17	cells	cell	NNS
cord-252871-qfrpuy3t	141	18	via	via	IN
cord-252871-qfrpuy3t	141	19	reduction	reduction	NN
cord-252871-qfrpuy3t	141	20	[	[	-LRB-
cord-252871-qfrpuy3t	141	21	11	11	CD
cord-252871-qfrpuy3t	141	22	,	,	,
cord-252871-qfrpuy3t	141	23	41	41	CD
cord-252871-qfrpuy3t	141	24	,	,	,
cord-252871-qfrpuy3t	141	25	51	51	CD
cord-252871-qfrpuy3t	141	26	,	,	,
cord-252871-qfrpuy3t	141	27	52	52	CD
cord-252871-qfrpuy3t	141	28	]	]	-RRB-
cord-252871-qfrpuy3t	141	29	.	.	.
cord-252871-qfrpuy3t	142	1	This	this	DT
cord-252871-qfrpuy3t	142	2	scenario	scenario	NN
cord-252871-qfrpuy3t	142	3	better	well	RBR
cord-252871-qfrpuy3t	142	4	aligns	align	VBZ
cord-252871-qfrpuy3t	142	5	with	with	IN
cord-252871-qfrpuy3t	142	6	the	the	DT
cord-252871-qfrpuy3t	142	7	evolutionary	evolutionary	JJ
cord-252871-qfrpuy3t	142	8	biology	biology	NN
cord-252871-qfrpuy3t	142	9	of	of	IN
cord-252871-qfrpuy3t	142	10	endosymbiotic	endosymbiotic	JJ
cord-252871-qfrpuy3t	142	11	and	and	CC
cord-252871-qfrpuy3t	142	12	parasitic	parasitic	JJ
cord-252871-qfrpuy3t	142	13	cellular	cellular	JJ
cord-252871-qfrpuy3t	142	14	organisms	organism	NNS
cord-252871-qfrpuy3t	142	15	and	and	CC
cord-252871-qfrpuy3t	142	16	is	be	VBZ
cord-252871-qfrpuy3t	142	17	more	more	RBR
cord-252871-qfrpuy3t	142	18	plausible	plausible	JJ
cord-252871-qfrpuy3t	142	19	considering	consider	VBG
cord-252871-qfrpuy3t	142	20	the	the	DT
cord-252871-qfrpuy3t	142	21	unique	unique	JJ
cord-252871-qfrpuy3t	142	22	composition	composition	NN
cord-252871-qfrpuy3t	142	23	of	of	IN
cord-252871-qfrpuy3t	142	24	virus	virus	NN
cord-252871-qfrpuy3t	142	25	genomes	genome	NNS
cord-252871-qfrpuy3t	142	26	.	.	.
cord-252871-qfrpuy3t	143	1	The	the	DT
cord-252871-qfrpuy3t	143	2	proposed	propose	VBN
cord-252871-qfrpuy3t	143	3	reduction	reduction	NN
cord-252871-qfrpuy3t	143	4	model	model	NN
cord-252871-qfrpuy3t	143	5	is	be	VBZ
cord-252871-qfrpuy3t	143	6	based	base	VBN
cord-252871-qfrpuy3t	143	7	on	on	IN
cord-252871-qfrpuy3t	143	8	the	the	DT
cord-252871-qfrpuy3t	143	9	generic	generic	JJ
cord-252871-qfrpuy3t	143	10	definition	definition	NN
cord-252871-qfrpuy3t	143	11	of	of	IN
cord-252871-qfrpuy3t	143	12	viruses	virus	NNS
cord-252871-qfrpuy3t	143	13	and	and	CC
cord-252871-qfrpuy3t	143	14	does	do	VBZ
cord-252871-qfrpuy3t	143	15	not	not	RB
cord-252871-qfrpuy3t	143	16	suggest	suggest	VB
cord-252871-qfrpuy3t	143	17	that	that	IN
cord-252871-qfrpuy3t	143	18	ancient	ancient	JJ
cord-252871-qfrpuy3t	143	19	cells	cell	NNS
cord-252871-qfrpuy3t	143	20	reduced	reduce	VBN
cord-252871-qfrpuy3t	143	21	into	into	IN
cord-252871-qfrpuy3t	143	22	virions	virion	NNS
cord-252871-qfrpuy3t	143	23	.	.	.
cord-252871-qfrpuy3t	144	1	That	that	DT
cord-252871-qfrpuy3t	144	2	would	would	MD
cord-252871-qfrpuy3t	144	3	be	be	VB
cord-252871-qfrpuy3t	144	4	mistaking	mistake	VBG
cord-252871-qfrpuy3t	144	5	viruses	virus	NNS
cord-252871-qfrpuy3t	144	6	for	for	IN
cord-252871-qfrpuy3t	144	7	their	-PRON-	PRP$
cord-252871-qfrpuy3t	144	8	virions	virion	NNS
cord-252871-qfrpuy3t	144	9	,	,	,
cord-252871-qfrpuy3t	144	10	a	a	DT
cord-252871-qfrpuy3t	144	11	classical	classical	JJ
cord-252871-qfrpuy3t	144	12	mistake	mistake	NN
cord-252871-qfrpuy3t	144	13	that	that	WDT
cord-252871-qfrpuy3t	144	14	we	-PRON-	PRP
cord-252871-qfrpuy3t	144	15	have	have	VBP
cord-252871-qfrpuy3t	144	16	just	just	RB
cord-252871-qfrpuy3t	144	17	criticized	criticize	VBN
cord-252871-qfrpuy3t	144	18	.	.	.
cord-252871-qfrpuy3t	145	1	Instead	instead	RB
cord-252871-qfrpuy3t	145	2	,	,	,
cord-252871-qfrpuy3t	145	3	we	-PRON-	PRP
cord-252871-qfrpuy3t	145	4	simply	simply	RB
cord-252871-qfrpuy3t	145	5	propose	propose	VBP
cord-252871-qfrpuy3t	145	6	that	that	IN
cord-252871-qfrpuy3t	145	7	ancient	ancient	JJ
cord-252871-qfrpuy3t	145	8	cells	cell	NNS
cord-252871-qfrpuy3t	145	9	were	be	VBD
cord-252871-qfrpuy3t	145	10	the	the	DT
cord-252871-qfrpuy3t	145	11	first	first	JJ
cord-252871-qfrpuy3t	145	12	to	to	TO
cord-252871-qfrpuy3t	145	13	discover	discover	VB
cord-252871-qfrpuy3t	145	14	the	the	DT
cord-252871-qfrpuy3t	145	15	benefits	benefit	NNS
cord-252871-qfrpuy3t	145	16	of	of	IN
cord-252871-qfrpuy3t	145	17	parasitization	parasitization	NN
cord-252871-qfrpuy3t	145	18	and	and	CC
cord-252871-qfrpuy3t	145	19	propagation	propagation	NN
cord-252871-qfrpuy3t	145	20	via	via	IN
cord-252871-qfrpuy3t	145	21	released	release	VBN
cord-252871-qfrpuy3t	145	22	particles	particle	NNS
cord-252871-qfrpuy3t	145	23	(	(	-LRB-
cord-252871-qfrpuy3t	145	24	e.g.	e.g.	RB
cord-252871-qfrpuy3t	145	25	,	,	,
cord-252871-qfrpuy3t	145	26	vesicles	vesicle	NNS
cord-252871-qfrpuy3t	145	27	)	)	-RRB-
cord-252871-qfrpuy3t	146	1	[	[	-LRB-
cord-252871-qfrpuy3t	146	2	37	37	CD
cord-252871-qfrpuy3t	146	3	]	]	-RRB-
cord-252871-qfrpuy3t	146	4	.	.	.
cord-252871-qfrpuy3t	147	1	Gradually	gradually	RB
cord-252871-qfrpuy3t	147	2	,	,	,
cord-252871-qfrpuy3t	147	3	the	the	DT
cord-252871-qfrpuy3t	147	4	ancient	ancient	JJ
cord-252871-qfrpuy3t	147	5	cells	cell	NNS
cord-252871-qfrpuy3t	147	6	devolved	devolve	VBN
cord-252871-qfrpuy3t	147	7	as	as	IN
cord-252871-qfrpuy3t	147	8	the	the	DT
cord-252871-qfrpuy3t	147	9	released	release	VBN
cord-252871-qfrpuy3t	147	10	particles	particle	NNS
cord-252871-qfrpuy3t	147	11	became	become	VBD
cord-252871-qfrpuy3t	147	12	fully	fully	RB
cord-252871-qfrpuy3t	147	13	capable	capable	JJ
cord-252871-qfrpuy3t	147	14	of	of	IN
cord-252871-qfrpuy3t	147	15	repeating	repeat	VBG
cord-252871-qfrpuy3t	147	16	the	the	DT
cord-252871-qfrpuy3t	147	17	cycle	cycle	NN
cord-252871-qfrpuy3t	147	18	of	of	IN
cord-252871-qfrpuy3t	147	19	invasion	invasion	NN
cord-252871-qfrpuy3t	147	20	and	and	CC
cord-252871-qfrpuy3t	147	21	escape	escape	VB
cord-252871-qfrpuy3t	147	22	in	in	IN
cord-252871-qfrpuy3t	147	23	coinhabiting	coinhabite	VBG
cord-252871-qfrpuy3t	147	24	cellular	cellular	JJ
cord-252871-qfrpuy3t	147	25	lineages	lineage	NNS
cord-252871-qfrpuy3t	147	26	.	.	.
cord-252871-qfrpuy3t	148	1	While	while	IN
cord-252871-qfrpuy3t	148	2	the	the	DT
cord-252871-qfrpuy3t	148	3	concept	concept	NN
cord-252871-qfrpuy3t	148	4	of	of	IN
cord-252871-qfrpuy3t	148	5	a	a	DT
cord-252871-qfrpuy3t	148	6	'	'	``
cord-252871-qfrpuy3t	148	7	virus	virus	NN
cord-252871-qfrpuy3t	148	8	-	-	HYPH
cord-252871-qfrpuy3t	148	9	like	like	JJ
cord-252871-qfrpuy3t	148	10	cell	cell	NN
cord-252871-qfrpuy3t	148	11	'	'	''
cord-252871-qfrpuy3t	148	12	or	or	CC
cord-252871-qfrpuy3t	148	13	a	a	DT
cord-252871-qfrpuy3t	148	14	'	'	``
cord-252871-qfrpuy3t	148	15	cellular	cellular	JJ
cord-252871-qfrpuy3t	148	16	ancestor	ancestor	NN
cord-252871-qfrpuy3t	148	17	of	of	IN
cord-252871-qfrpuy3t	148	18	virus	virus	NN
cord-252871-qfrpuy3t	148	19	'	'	''
cord-252871-qfrpuy3t	148	20	may	may	MD
cord-252871-qfrpuy3t	148	21	be	be	VB
cord-252871-qfrpuy3t	148	22	difficult	difficult	JJ
cord-252871-qfrpuy3t	148	23	to	to	TO
cord-252871-qfrpuy3t	148	24	imagine	imagine	VB
cord-252871-qfrpuy3t	148	25	,	,	,
cord-252871-qfrpuy3t	148	26	we	-PRON-	PRP
cord-252871-qfrpuy3t	148	27	already	already	RB
cord-252871-qfrpuy3t	148	28	know	know	VBP
cord-252871-qfrpuy3t	148	29	several	several	JJ
cord-252871-qfrpuy3t	148	30	examples	example	NNS
cord-252871-qfrpuy3t	148	31	of	of	IN
cord-252871-qfrpuy3t	148	32	viral	viral	JJ
cord-252871-qfrpuy3t	148	33	genome	genome	NN
cord-252871-qfrpuy3t	148	34	endogenization	endogenization	NN
cord-252871-qfrpuy3t	148	35	into	into	IN
cord-252871-qfrpuy3t	148	36	host	host	NN
cord-252871-qfrpuy3t	148	37	DNA	DNA	NNP
cord-252871-qfrpuy3t	148	38	[	[	-LRB-
cord-252871-qfrpuy3t	148	39	53	53	CD
cord-252871-qfrpuy3t	148	40	]	]	-RRB-
cord-252871-qfrpuy3t	148	41	and	and	CC
cord-252871-qfrpuy3t	148	42	viral	viral	JJ
cord-252871-qfrpuy3t	148	43	factories	factory	NNS
cord-252871-qfrpuy3t	148	44	that	that	WDT
cord-252871-qfrpuy3t	148	45	alter	alter	VBP
cord-252871-qfrpuy3t	148	46	the	the	DT
cord-252871-qfrpuy3t	148	47	nature	nature	NN
cord-252871-qfrpuy3t	148	48	of	of	IN
cord-252871-qfrpuy3t	148	49	the	the	DT
cord-252871-qfrpuy3t	148	50	infected	infected	JJ
cord-252871-qfrpuy3t	148	51	cells	cell	NNS
cord-252871-qfrpuy3t	148	52	[	[	-LRB-
cord-252871-qfrpuy3t	148	53	12	12	CD
cord-252871-qfrpuy3t	148	54	,	,	,
cord-252871-qfrpuy3t	148	55	18	18	CD
cord-252871-qfrpuy3t	148	56	]	]	-RRB-
cord-252871-qfrpuy3t	148	57	.	.	.
cord-252871-qfrpuy3t	149	1	These	these	DT
cord-252871-qfrpuy3t	149	2	modern	modern	JJ
cord-252871-qfrpuy3t	149	3	-	-	HYPH
cord-252871-qfrpuy3t	149	4	day	day	NN
cord-252871-qfrpuy3t	149	5	events	event	NNS
cord-252871-qfrpuy3t	149	6	transiently	transiently	RB
cord-252871-qfrpuy3t	149	7	restore	restore	VBP
cord-252871-qfrpuy3t	149	8	the	the	DT
cord-252871-qfrpuy3t	149	9	ancient	ancient	JJ
cord-252871-qfrpuy3t	149	10	'	'	``
cord-252871-qfrpuy3t	149	11	cellular	cellular	JJ
cord-252871-qfrpuy3t	149	12	self	self	NN
cord-252871-qfrpuy3t	149	13	'	'	''
cord-252871-qfrpuy3t	149	14	that	that	WDT
cord-252871-qfrpuy3t	149	15	may	may	MD
cord-252871-qfrpuy3t	149	16	have	have	VB
cord-252871-qfrpuy3t	149	17	been	be	VBN
cord-252871-qfrpuy3t	149	18	a	a	DT
cord-252871-qfrpuy3t	149	19	more	more	RBR
cord-252871-qfrpuy3t	149	20	permanent	permanent	JJ
cord-252871-qfrpuy3t	149	21	feature	feature	NN
cord-252871-qfrpuy3t	149	22	in	in	IN
cord-252871-qfrpuy3t	149	23	the	the	DT
cord-252871-qfrpuy3t	149	24	past	past	NN
cord-252871-qfrpuy3t	149	25	.	.	.
cord-252871-qfrpuy3t	150	1	In	in	IN
cord-252871-qfrpuy3t	150	2	fact	fact	NN
cord-252871-qfrpuy3t	150	3	,	,	,
cord-252871-qfrpuy3t	150	4	cytoplasmic	cytoplasmic	JJ
cord-252871-qfrpuy3t	150	5	virion	virion	NN
cord-252871-qfrpuy3t	150	6	factories	factory	NNS
cord-252871-qfrpuy3t	150	7	behave	behave	VBP
cord-252871-qfrpuy3t	150	8	like	like	IN
cord-252871-qfrpuy3t	150	9	a	a	DT
cord-252871-qfrpuy3t	150	10	pseudonucleus	pseudonucleus	NN
cord-252871-qfrpuy3t	150	11	where	where	WRB
cord-252871-qfrpuy3t	150	12	virus	virus	NN
cord-252871-qfrpuy3t	150	13	genome	genome	NN
cord-252871-qfrpuy3t	150	14	replication	replication	NN
cord-252871-qfrpuy3t	150	15	and	and	CC
cord-252871-qfrpuy3t	150	16	translation	translation	NN
cord-252871-qfrpuy3t	150	17	are	be	VBP
cord-252871-qfrpuy3t	150	18	separated	separate	VBN
cord-252871-qfrpuy3t	150	19	from	from	IN
cord-252871-qfrpuy3t	150	20	host	host	NN
cord-252871-qfrpuy3t	150	21	cytoplasm	cytoplasm	NN
cord-252871-qfrpuy3t	150	22	[	[	-LRB-
cord-252871-qfrpuy3t	150	23	54	54	CD
cord-252871-qfrpuy3t	150	24	,	,	,
cord-252871-qfrpuy3t	150	25	55	55	CD
cord-252871-qfrpuy3t	150	26	]	]	-RRB-
cord-252871-qfrpuy3t	150	27	.	.	.
cord-252871-qfrpuy3t	151	1	Some	some	DT
cord-252871-qfrpuy3t	151	2	authors	author	NNS
cord-252871-qfrpuy3t	151	3	suggest	suggest	VBP
cord-252871-qfrpuy3t	151	4	that	that	IN
cord-252871-qfrpuy3t	151	5	the	the	DT
cord-252871-qfrpuy3t	151	6	eukaryotic	eukaryotic	JJ
cord-252871-qfrpuy3t	151	7	nucleus	nucleus	NN
cord-252871-qfrpuy3t	151	8	likely	likely	RB
cord-252871-qfrpuy3t	151	9	evolved	evolve	VBD
cord-252871-qfrpuy3t	151	10	directly	directly	RB
cord-252871-qfrpuy3t	151	11	from	from	IN
cord-252871-qfrpuy3t	151	12	an	an	DT
cord-252871-qfrpuy3t	151	13	ancient	ancient	JJ
cord-252871-qfrpuy3t	151	14	viral	viral	JJ
cord-252871-qfrpuy3t	151	15	factory	factory	NN
cord-252871-qfrpuy3t	151	16	[	[	-LRB-
cord-252871-qfrpuy3t	151	17	56	56	CD
cord-252871-qfrpuy3t	151	18	,	,	,
cord-252871-qfrpuy3t	151	19	57	57	CD
cord-252871-qfrpuy3t	151	20	]	]	-RRB-
cord-252871-qfrpuy3t	151	21	.	.	.
cord-252871-qfrpuy3t	152	1	The	the	DT
cord-252871-qfrpuy3t	152	2	ancient	ancient	JJ
cord-252871-qfrpuy3t	152	3	pre	pre	AFX
cord-252871-qfrpuy3t	152	4	-	-	NNP
cord-252871-qfrpuy3t	152	5	LUCA	LUCA	NNP
cord-252871-qfrpuy3t	152	6	cells	cell	NNS
cord-252871-qfrpuy3t	152	7	likely	likely	RB
cord-252871-qfrpuy3t	152	8	harbored	harbor	VBD
cord-252871-qfrpuy3t	152	9	segmented	segmented	JJ
cord-252871-qfrpuy3t	152	10	RNA	RNA	NNP
cord-252871-qfrpuy3t	152	11	genomes	genome	NNS
cord-252871-qfrpuy3t	152	12	[	[	-LRB-
cord-252871-qfrpuy3t	152	13	41	41	CD
cord-252871-qfrpuy3t	152	14	,	,	,
cord-252871-qfrpuy3t	152	15	58	58	CD
cord-252871-qfrpuy3t	152	16	,	,	,
cord-252871-qfrpuy3t	152	17	59	59	CD
cord-252871-qfrpuy3t	152	18	]	]	-RRB-
cord-252871-qfrpuy3t	152	19	.	.	.
cord-252871-qfrpuy3t	153	1	It	-PRON-	PRP
cord-252871-qfrpuy3t	153	2	is	be	VBZ
cord-252871-qfrpuy3t	153	3	therefore	therefore	RB
cord-252871-qfrpuy3t	153	4	logical	logical	JJ
cord-252871-qfrpuy3t	153	5	to	to	TO
cord-252871-qfrpuy3t	153	6	think	think	VB
cord-252871-qfrpuy3t	153	7	that	that	IN
cord-252871-qfrpuy3t	153	8	RNA	RNA	NNP
cord-252871-qfrpuy3t	153	9	viruses	virus	NNS
cord-252871-qfrpuy3t	153	10	evolved	evolve	VBD
cord-252871-qfrpuy3t	153	11	first	first	RB
cord-252871-qfrpuy3t	153	12	from	from	IN
cord-252871-qfrpuy3t	153	13	RNA	RNA	NNP
cord-252871-qfrpuy3t	153	14	cells	cell	NNS
cord-252871-qfrpuy3t	153	15	,	,	,
cord-252871-qfrpuy3t	153	16	and	and	CC
cord-252871-qfrpuy3t	153	17	that	that	IN
cord-252871-qfrpuy3t	153	18	later	later	RB
cord-252871-qfrpuy3t	153	19	,	,	,
cord-252871-qfrpuy3t	153	20	DNA	dna	NN
cord-252871-qfrpuy3t	153	21	viruses	virus	NNS
cord-252871-qfrpuy3t	153	22	evolved	evolve	VBN
cord-252871-qfrpuy3t	153	23	directly	directly	RB
cord-252871-qfrpuy3t	153	24	from	from	IN
cord-252871-qfrpuy3t	153	25	RNA	RNA	NNP
cord-252871-qfrpuy3t	153	26	viruses	virus	NNS
cord-252871-qfrpuy3t	153	27	,	,	,
cord-252871-qfrpuy3t	153	28	and	and	CC
cord-252871-qfrpuy3t	153	29	in	in	IN
cord-252871-qfrpuy3t	153	30	parallel	parallel	JJ
cord-252871-qfrpuy3t	153	31	,	,	,
cord-252871-qfrpuy3t	153	32	DNA	dna	NN
cord-252871-qfrpuy3t	153	33	cells	cell	NNS
cord-252871-qfrpuy3t	153	34	evolved	evolve	VBN
cord-252871-qfrpuy3t	153	35	from	from	IN
cord-252871-qfrpuy3t	153	36	RNA	RNA	NNP
cord-252871-qfrpuy3t	153	37	cells	cell	NNS
cord-252871-qfrpuy3t	153	38	(	(	-LRB-
cord-252871-qfrpuy3t	153	39	Figure	figure	NN
cord-252871-qfrpuy3t	153	40	2A	2a	CD
cord-252871-qfrpuy3t	153	41	)	)	-RRB-
cord-252871-qfrpuy3t	153	42	.	.	.
cord-252871-qfrpuy3t	154	1	This	this	DT
cord-252871-qfrpuy3t	154	2	scenario	scenario	NN
cord-252871-qfrpuy3t	154	3	implies	imply	VBZ
cord-252871-qfrpuy3t	154	4	that	that	IN
cord-252871-qfrpuy3t	154	5	RNA	RNA	NNP
cord-252871-qfrpuy3t	154	6	viruses	virus	NNS
cord-252871-qfrpuy3t	154	7	are	be	VBP
cord-252871-qfrpuy3t	154	8	the	the	DT
cord-252871-qfrpuy3t	154	9	ancestors	ancestor	NNS
cord-252871-qfrpuy3t	154	10	of	of	IN
cord-252871-qfrpuy3t	154	11	DNA	dna	NN
cord-252871-qfrpuy3t	154	12	viruses	virus	NNS
cord-252871-qfrpuy3t	154	13	and	and	CC
cord-252871-qfrpuy3t	154	14	was	be	VBD
cord-252871-qfrpuy3t	154	15	supported	support	VBN
cord-252871-qfrpuy3t	154	16	in	in	IN
cord-252871-qfrpuy3t	154	17	a	a	DT
cord-252871-qfrpuy3t	154	18	recent	recent	JJ
cord-252871-qfrpuy3t	154	19	phylogenomic	phylogenomic	JJ
cord-252871-qfrpuy3t	154	20	analysis	analysis	NN
cord-252871-qfrpuy3t	154	21	[	[	-LRB-
cord-252871-qfrpuy3t	154	22	41	41	CD
cord-252871-qfrpuy3t	154	23	]	]	-RRB-
cord-252871-qfrpuy3t	154	24	.	.	.
cord-252871-qfrpuy3t	155	1	A	a	DT
cord-252871-qfrpuy3t	155	2	second	second	JJ
cord-252871-qfrpuy3t	155	3	alternative	alternative	NN
cord-252871-qfrpuy3t	155	4	could	could	MD
cord-252871-qfrpuy3t	155	5	be	be	VB
cord-252871-qfrpuy3t	155	6	that	that	IN
cord-252871-qfrpuy3t	155	7	RNA	RNA	NNP
cord-252871-qfrpuy3t	155	8	viruses	virus	NNS
cord-252871-qfrpuy3t	155	9	evolved	evolve	VBN
cord-252871-qfrpuy3t	155	10	directly	directly	RB
cord-252871-qfrpuy3t	155	11	from	from	IN
cord-252871-qfrpuy3t	155	12	RNA	RNA	NNP
cord-252871-qfrpuy3t	155	13	cells	cell	NNS
cord-252871-qfrpuy3t	155	14	,	,	,
cord-252871-qfrpuy3t	155	15	and	and	CC
cord-252871-qfrpuy3t	155	16	DNA	dna	NN
cord-252871-qfrpuy3t	155	17	viruses	virus	NNS
cord-252871-qfrpuy3t	155	18	evolved	evolve	VBN
cord-252871-qfrpuy3t	155	19	directly	directly	RB
cord-252871-qfrpuy3t	155	20	from	from	IN
cord-252871-qfrpuy3t	155	21	DNA	dna	NN
cord-252871-qfrpuy3t	155	22	cells	cell	NNS
cord-252871-qfrpuy3t	155	23	.	.	.
cord-252871-qfrpuy3t	156	1	Thus	thus	RB
cord-252871-qfrpuy3t	156	2	,	,	,
cord-252871-qfrpuy3t	156	3	both	both	DT
cord-252871-qfrpuy3t	156	4	groups	group	NNS
cord-252871-qfrpuy3t	156	5	Trends	Trends	NNPS
cord-252871-qfrpuy3t	156	6	in	in	IN
cord-252871-qfrpuy3t	156	7	Microbiology	Microbiology	NNP
cord-252871-qfrpuy3t	156	8	evolved	evolve	VBD
cord-252871-qfrpuy3t	156	9	independently	independently	RB
cord-252871-qfrpuy3t	156	10	from	from	IN
cord-252871-qfrpuy3t	156	11	different	different	JJ
cord-252871-qfrpuy3t	156	12	cellular	cellular	JJ
cord-252871-qfrpuy3t	156	13	ancestors	ancestor	NNS
cord-252871-qfrpuy3t	156	14	and	and	CC
cord-252871-qfrpuy3t	156	15	possibly	possibly	RB
cord-252871-qfrpuy3t	156	16	via	via	IN
cord-252871-qfrpuy3t	156	17	different	different	JJ
cord-252871-qfrpuy3t	156	18	mechanisms	mechanism	NNS
cord-252871-qfrpuy3t	156	19	(	(	-LRB-
cord-252871-qfrpuy3t	156	20	Figure	figure	NN
cord-252871-qfrpuy3t	156	21	2B	2b	CD
cord-252871-qfrpuy3t	156	22	)	)	-RRB-
cord-252871-qfrpuy3t	156	23	.	.	.
cord-252871-qfrpuy3t	157	1	Finally	finally	RB
cord-252871-qfrpuy3t	157	2	,	,	,
cord-252871-qfrpuy3t	157	3	a	a	DT
cord-252871-qfrpuy3t	157	4	third	third	JJ
cord-252871-qfrpuy3t	157	5	alternative	alternative	NN
cord-252871-qfrpuy3t	157	6	could	could	MD
cord-252871-qfrpuy3t	157	7	be	be	VB
cord-252871-qfrpuy3t	157	8	the	the	DT
cord-252871-qfrpuy3t	157	9	evolution	evolution	NN
cord-252871-qfrpuy3t	157	10	of	of	IN
cord-252871-qfrpuy3t	157	11	RNA	RNA	NNP
cord-252871-qfrpuy3t	157	12	viruses	virus	NNS
cord-252871-qfrpuy3t	157	13	from	from	IN
cord-252871-qfrpuy3t	157	14	RNA	RNA	NNP
cord-252871-qfrpuy3t	157	15	cells	cell	NNS
cord-252871-qfrpuy3t	157	16	.	.	.
cord-252871-qfrpuy3t	158	1	RNA	RNA	NNP
cord-252871-qfrpuy3t	158	2	viruses	virus	NNS
cord-252871-qfrpuy3t	158	3	later	later	RB
cord-252871-qfrpuy3t	158	4	invented	invent	VBD
cord-252871-qfrpuy3t	158	5	DNA	DNA	NNP
cord-252871-qfrpuy3t	158	6	to	to	TO
cord-252871-qfrpuy3t	158	7	escape	escape	VB
cord-252871-qfrpuy3t	158	8	the	the	DT
cord-252871-qfrpuy3t	158	9	defenses	defense	NNS
cord-252871-qfrpuy3t	158	10	of	of	IN
cord-252871-qfrpuy3t	158	11	RNA	RNA	NNP
cord-252871-qfrpuy3t	158	12	cells	cell	NNS
cord-252871-qfrpuy3t	158	13	.	.	.
cord-252871-qfrpuy3t	159	1	The	the	DT
cord-252871-qfrpuy3t	159	2	invention	invention	NN
cord-252871-qfrpuy3t	159	3	of	of	IN
cord-252871-qfrpuy3t	159	4	DNA	DNA	NNP
cord-252871-qfrpuy3t	159	5	was	be	VBD
cord-252871-qfrpuy3t	159	6	later	later	RB
cord-252871-qfrpuy3t	159	7	picked	pick	VBN
cord-252871-qfrpuy3t	159	8	up	up	RP
cord-252871-qfrpuy3t	159	9	by	by	IN
cord-252871-qfrpuy3t	159	10	RNA	RNA	NNP
cord-252871-qfrpuy3t	159	11	cells	cell	NNS
cord-252871-qfrpuy3t	159	12	to	to	TO
cord-252871-qfrpuy3t	159	13	become	become	VB
cord-252871-qfrpuy3t	159	14	DNA	dna	NN
cord-252871-qfrpuy3t	159	15	cells	cell	NNS
cord-252871-qfrpuy3t	159	16	[	[	-LRB-
cord-252871-qfrpuy3t	159	17	60	60	CD
cord-252871-qfrpuy3t	159	18	,	,	,
cord-252871-qfrpuy3t	159	19	61	61	CD
cord-252871-qfrpuy3t	159	20	]	]	-RRB-
cord-252871-qfrpuy3t	159	21	(	(	-LRB-
cord-252871-qfrpuy3t	159	22	Figure	figure	NN
cord-252871-qfrpuy3t	159	23	2C	2c	NN
cord-252871-qfrpuy3t	159	24	)	)	-RRB-
cord-252871-qfrpuy3t	159	25	.	.	.
cord-252871-qfrpuy3t	160	1	Testing	test	VBG
cord-252871-qfrpuy3t	160	2	these	these	DT
cord-252871-qfrpuy3t	160	3	alternatives	alternative	NNS
cord-252871-qfrpuy3t	160	4	is	be	VBZ
cord-252871-qfrpuy3t	160	5	challenging	challenging	JJ
cord-252871-qfrpuy3t	160	6	since	since	IN
cord-252871-qfrpuy3t	160	7	molecular	molecular	JJ
cord-252871-qfrpuy3t	160	8	data	datum	NNS
cord-252871-qfrpuy3t	160	9	are	be	VBP
cord-252871-qfrpuy3t	160	10	limited	limit	VBN
cord-252871-qfrpuy3t	160	11	in	in	IN
cord-252871-qfrpuy3t	160	12	their	-PRON-	PRP$
cord-252871-qfrpuy3t	160	13	ability	ability	NN
cord-252871-qfrpuy3t	160	14	to	to	TO
cord-252871-qfrpuy3t	160	15	resolve	resolve	VB
cord-252871-qfrpuy3t	160	16	deep	deep	JJ
cord-252871-qfrpuy3t	160	17	evolutionary	evolutionary	JJ
cord-252871-qfrpuy3t	160	18	events	event	NNS
cord-252871-qfrpuy3t	160	19	.	.	.
cord-252871-qfrpuy3t	161	1	In	in	IN
cord-252871-qfrpuy3t	161	2	standard	standard	JJ
cord-252871-qfrpuy3t	161	3	phylogenetic	phylogenetic	JJ
cord-252871-qfrpuy3t	161	4	analyses	analysis	NNS
cord-252871-qfrpuy3t	161	5	,	,	,
cord-252871-qfrpuy3t	161	6	gene	gene	NN
cord-252871-qfrpuy3t	161	7	and	and	CC
cord-252871-qfrpuy3t	161	8	protein	protein	NN
cord-252871-qfrpuy3t	161	9	sequences	sequence	NNS
cord-252871-qfrpuy3t	161	10	are	be	VBP
cord-252871-qfrpuy3t	161	11	aligned	align	VBN
cord-252871-qfrpuy3t	161	12	to	to	TO
cord-252871-qfrpuy3t	161	13	elucidate	elucidate	VB
cord-252871-qfrpuy3t	161	14	the	the	DT
cord-252871-qfrpuy3t	161	15	phylogenetic	phylogenetic	JJ
cord-252871-qfrpuy3t	161	16	history	history	NN
cord-252871-qfrpuy3t	161	17	of	of	IN
cord-252871-qfrpuy3t	161	18	a	a	DT
cord-252871-qfrpuy3t	161	19	group	group	NN
cord-252871-qfrpuy3t	161	20	of	of	IN
cord-252871-qfrpuy3t	161	21	organisms	organism	NNS
cord-252871-qfrpuy3t	161	22	.	.	.
cord-252871-qfrpuy3t	162	1	This	this	DT
cord-252871-qfrpuy3t	162	2	alignment	alignment	NN
cord-252871-qfrpuy3t	162	3	is	be	VBZ
cord-252871-qfrpuy3t	162	4	used	use	VBN
cord-252871-qfrpuy3t	162	5	to	to	TO
cord-252871-qfrpuy3t	162	6	infer	infer	VB
cord-252871-qfrpuy3t	162	7	a	a	DT
cord-252871-qfrpuy3t	162	8	phylogenetic	phylogenetic	JJ
cord-252871-qfrpuy3t	162	9	tree	tree	NN
cord-252871-qfrpuy3t	162	10	using	use	VBG
cord-252871-qfrpuy3t	162	11	various	various	JJ
cord-252871-qfrpuy3t	162	12	methods	method	NNS
cord-252871-qfrpuy3t	162	13	[	[	-LRB-
cord-252871-qfrpuy3t	162	14	62	62	CD
cord-252871-qfrpuy3t	162	15	]	]	-RRB-
cord-252871-qfrpuy3t	162	16	.	.	.
cord-252871-qfrpuy3t	163	1	While	while	IN
cord-252871-qfrpuy3t	163	2	the	the	DT
cord-252871-qfrpuy3t	163	3	alignment	alignment	NN
cord-252871-qfrpuy3t	163	4	-	-	HYPH
cord-252871-qfrpuy3t	163	5	dependent	dependent	JJ
cord-252871-qfrpuy3t	163	6	methods	method	NNS
cord-252871-qfrpuy3t	163	7	work	work	VBP
cord-252871-qfrpuy3t	163	8	very	very	RB
cord-252871-qfrpuy3t	163	9	well	well	RB
cord-252871-qfrpuy3t	163	10	in	in	IN
cord-252871-qfrpuy3t	163	11	resolving	resolve	VBG
cord-252871-qfrpuy3t	163	12	the	the	DT
cord-252871-qfrpuy3t	163	13	evolutionary	evolutionary	JJ
cord-252871-qfrpuy3t	163	14	relationships	relationship	NNS
cord-252871-qfrpuy3t	163	15	among	among	IN
cord-252871-qfrpuy3t	163	16	closely	closely	RB
cord-252871-qfrpuy3t	163	17	-	-	HYPH
cord-252871-qfrpuy3t	163	18	related	relate	VBN
cord-252871-qfrpuy3t	163	19	(	(	-LRB-
cord-252871-qfrpuy3t	163	20	micro)organisms	micro)organisms	NNPS
cord-252871-qfrpuy3t	163	21	and	and	CC
cord-252871-qfrpuy3t	163	22	have	have	VBP
cord-252871-qfrpuy3t	163	23	significant	significant	JJ
cord-252871-qfrpuy3t	163	24	other	other	JJ
cord-252871-qfrpuy3t	163	25	Trends	trend	NNS
cord-252871-qfrpuy3t	163	26	in	in	IN
cord-252871-qfrpuy3t	163	27	Microbiology	Microbiology	NNP
cord-252871-qfrpuy3t	163	28	applications	application	NNS
cord-252871-qfrpuy3t	163	29	,	,	,
cord-252871-qfrpuy3t	163	30	they	-PRON-	PRP
cord-252871-qfrpuy3t	163	31	are	be	VBP
cord-252871-qfrpuy3t	163	32	probably	probably	RB
cord-252871-qfrpuy3t	163	33	not	not	RB
cord-252871-qfrpuy3t	163	34	suited	suit	VBN
cord-252871-qfrpuy3t	163	35	for	for	IN
cord-252871-qfrpuy3t	163	36	the	the	DT
cord-252871-qfrpuy3t	163	37	origins	origin	NNS
cord-252871-qfrpuy3t	163	38	or	or	CC
cord-252871-qfrpuy3t	163	39	'	'	``
cord-252871-qfrpuy3t	163	40	tree	tree	NN
cord-252871-qfrpuy3t	163	41	of	of	IN
cord-252871-qfrpuy3t	163	42	life	life	NN
cord-252871-qfrpuy3t	163	43	'	'	''
cord-252871-qfrpuy3t	163	44	research	research	NN
cord-252871-qfrpuy3t	163	45	[	[	-LRB-
cord-252871-qfrpuy3t	163	46	63	63	CD
cord-252871-qfrpuy3t	163	47	]	]	-RRB-
cord-252871-qfrpuy3t	163	48	.	.	.
cord-252871-qfrpuy3t	164	1	This	this	DT
cord-252871-qfrpuy3t	164	2	is	be	VBZ
cord-252871-qfrpuy3t	164	3	especially	especially	RB
cord-252871-qfrpuy3t	164	4	true	true	JJ
cord-252871-qfrpuy3t	164	5	when	when	WRB
cord-252871-qfrpuy3t	164	6	the	the	DT
cord-252871-qfrpuy3t	164	7	objective	objective	NN
cord-252871-qfrpuy3t	164	8	is	be	VBZ
cord-252871-qfrpuy3t	164	9	to	to	TO
cord-252871-qfrpuy3t	164	10	place	place	VB
cord-252871-qfrpuy3t	164	11	fast	fast	RB
cord-252871-qfrpuy3t	164	12	-	-	HYPH
cord-252871-qfrpuy3t	164	13	evolving	evolve	VBG
cord-252871-qfrpuy3t	164	14	organisms	organism	NNS
cord-252871-qfrpuy3t	164	15	and	and	CC
cord-252871-qfrpuy3t	164	16	viruses	virus	NNS
cord-252871-qfrpuy3t	164	17	in	in	IN
cord-252871-qfrpuy3t	164	18	the	the	DT
cord-252871-qfrpuy3t	164	19	tree	tree	NN
cord-252871-qfrpuy3t	164	20	of	of	IN
cord-252871-qfrpuy3t	164	21	life	life	NN
cord-252871-qfrpuy3t	164	22	[	[	-LRB-
cord-252871-qfrpuy3t	164	23	64	64	CD
cord-252871-qfrpuy3t	164	24	]	]	-RRB-
cord-252871-qfrpuy3t	164	25	.	.	.
cord-252871-qfrpuy3t	165	1	First	first	RB
cord-252871-qfrpuy3t	165	2	,	,	,
cord-252871-qfrpuy3t	165	3	the	the	DT
cord-252871-qfrpuy3t	165	4	subset	subset	NN
cord-252871-qfrpuy3t	165	5	of	of	IN
cord-252871-qfrpuy3t	165	6	virus	virus	NN
cord-252871-qfrpuy3t	165	7	genes	gene	NNS
cord-252871-qfrpuy3t	165	8	for	for	IN
cord-252871-qfrpuy3t	165	9	which	which	WDT
cord-252871-qfrpuy3t	165	10	reliable	reliable	JJ
cord-252871-qfrpuy3t	165	11	homologs	homolog	NNS
cord-252871-qfrpuy3t	165	12	can	can	MD
cord-252871-qfrpuy3t	165	13	be	be	VB
cord-252871-qfrpuy3t	165	14	found	find	VBN
cord-252871-qfrpuy3t	165	15	is	be	VBZ
cord-252871-qfrpuy3t	165	16	extremely	extremely	RB
cord-252871-qfrpuy3t	165	17	small	small	JJ
cord-252871-qfrpuy3t	165	18	[	[	-LRB-
cord-252871-qfrpuy3t	165	19	48	48	CD
cord-252871-qfrpuy3t	165	20	]	]	-RRB-
cord-252871-qfrpuy3t	165	21	.	.	.
cord-252871-qfrpuy3t	166	1	This	this	DT
cord-252871-qfrpuy3t	166	2	fact	fact	NN
cord-252871-qfrpuy3t	166	3	greatly	greatly	RB
cord-252871-qfrpuy3t	166	4	limits	limit	VBZ
cord-252871-qfrpuy3t	166	5	the	the	DT
cord-252871-qfrpuy3t	166	6	choice	choice	NN
cord-252871-qfrpuy3t	166	7	and	and	CC
cord-252871-qfrpuy3t	166	8	the	the	DT
cord-252871-qfrpuy3t	166	9	number	number	NN
cord-252871-qfrpuy3t	166	10	of	of	IN
cord-252871-qfrpuy3t	166	11	available	available	JJ
cord-252871-qfrpuy3t	166	12	orthologous	orthologous	JJ
cord-252871-qfrpuy3t	166	13	genes	gene	NNS
cord-252871-qfrpuy3t	166	14	to	to	TO
cord-252871-qfrpuy3t	166	15	be	be	VB
cord-252871-qfrpuy3t	166	16	used	use	VBN
cord-252871-qfrpuy3t	166	17	in	in	IN
cord-252871-qfrpuy3t	166	18	phylogeny	phylogeny	NN
cord-252871-qfrpuy3t	166	19	reconstruction	reconstruction	NN
cord-252871-qfrpuy3t	166	20	.	.	.
cord-252871-qfrpuy3t	167	1	This	this	DT
cord-252871-qfrpuy3t	167	2	sometimes	sometimes	RB
cord-252871-qfrpuy3t	167	3	leads	lead	VBZ
cord-252871-qfrpuy3t	167	4	authors	author	NNS
cord-252871-qfrpuy3t	167	5	to	to	TO
cord-252871-qfrpuy3t	167	6	resort	resort	VB
cord-252871-qfrpuy3t	167	7	to	to	IN
cord-252871-qfrpuy3t	167	8	subjective	subjective	JJ
cord-252871-qfrpuy3t	167	9	,	,	,
cord-252871-qfrpuy3t	167	10	nonstatistically	nonstatistically	RB
cord-252871-qfrpuy3t	167	11	supported	support	VBN
cord-252871-qfrpuy3t	167	12	approaches	approach	NNS
cord-252871-qfrpuy3t	167	13	to	to	TO
cord-252871-qfrpuy3t	167	14	suggest	suggest	VB
cord-252871-qfrpuy3t	167	15	distant	distant	JJ
cord-252871-qfrpuy3t	167	16	homology	homology	NN
cord-252871-qfrpuy3t	167	17	relationships	relationship	NNS
cord-252871-qfrpuy3t	167	18	[	[	-LRB-
cord-252871-qfrpuy3t	167	19	65	65	CD
cord-252871-qfrpuy3t	167	20	]	]	-RRB-
cord-252871-qfrpuy3t	167	21	.	.	.
cord-252871-qfrpuy3t	168	1	Another	another	DT
cord-252871-qfrpuy3t	168	2	problem	problem	NN
cord-252871-qfrpuy3t	168	3	is	be	VBZ
cord-252871-qfrpuy3t	168	4	the	the	DT
cord-252871-qfrpuy3t	168	5	recovery	recovery	NN
cord-252871-qfrpuy3t	168	6	of	of	IN
cord-252871-qfrpuy3t	168	7	a	a	DT
cord-252871-qfrpuy3t	168	8	reliable	reliable	JJ
cord-252871-qfrpuy3t	168	9	alignment	alignment	NN
cord-252871-qfrpuy3t	168	10	of	of	IN
cord-252871-qfrpuy3t	168	11	homologous	homologous	JJ
cord-252871-qfrpuy3t	168	12	genes	gene	NNS
cord-252871-qfrpuy3t	168	13	from	from	IN
cord-252871-qfrpuy3t	168	14	a	a	DT
cord-252871-qfrpuy3t	168	15	diverse	diverse	JJ
cord-252871-qfrpuy3t	168	16	set	set	NN
cord-252871-qfrpuy3t	168	17	of	of	IN
cord-252871-qfrpuy3t	168	18	genomes	genome	NNS
cord-252871-qfrpuy3t	168	19	.	.	.
cord-252871-qfrpuy3t	169	1	In	in	IN
cord-252871-qfrpuy3t	169	2	general	general	JJ
cord-252871-qfrpuy3t	169	3	,	,	,
cord-252871-qfrpuy3t	169	4	statistically	statistically	RB
cord-252871-qfrpuy3t	169	5	detectable	detectable	JJ
cord-252871-qfrpuy3t	169	6	sequence	sequence	NN
cord-252871-qfrpuy3t	169	7	similarity	similarity	NN
cord-252871-qfrpuy3t	169	8	fades	fade	VBZ
cord-252871-qfrpuy3t	169	9	over	over	IN
cord-252871-qfrpuy3t	169	10	evolutionary	evolutionary	JJ
cord-252871-qfrpuy3t	169	11	time	time	NN
cord-252871-qfrpuy3t	169	12	,	,	,
cord-252871-qfrpuy3t	169	13	sometimes	sometimes	RB
cord-252871-qfrpuy3t	169	14	leading	lead	VBG
cord-252871-qfrpuy3t	169	15	to	to	TO
cord-252871-qfrpuy3t	169	16	complete	complete	JJ
cord-252871-qfrpuy3t	169	17	loss	loss	NN
cord-252871-qfrpuy3t	169	18	of	of	IN
cord-252871-qfrpuy3t	169	19	evolutionary	evolutionary	JJ
cord-252871-qfrpuy3t	169	20	signal	signal	NN
cord-252871-qfrpuy3t	169	21	due	due	IN
cord-252871-qfrpuy3t	169	22	to	to	IN
cord-252871-qfrpuy3t	169	23	mutation	mutation	NN
cord-252871-qfrpuy3t	169	24	saturation	saturation	NN
cord-252871-qfrpuy3t	169	25	[	[	-LRB-
cord-252871-qfrpuy3t	169	26	66	66	CD
cord-252871-qfrpuy3t	169	27	,	,	,
cord-252871-qfrpuy3t	169	28	67	67	CD
cord-252871-qfrpuy3t	169	29	]	]	-RRB-
cord-252871-qfrpuy3t	169	30	.	.	.
cord-252871-qfrpuy3t	170	1	In	in	IN
cord-252871-qfrpuy3t	170	2	addition	addition	NN
cord-252871-qfrpuy3t	170	3	,	,	,
cord-252871-qfrpuy3t	170	4	protein	protein	NN
cord-252871-qfrpuy3t	170	5	domain	domain	NN
cord-252871-qfrpuy3t	170	6	(	(	-LRB-
cord-252871-qfrpuy3t	170	7	i.e.	i.e.	FW
cord-252871-qfrpuy3t	170	8	,	,	,
cord-252871-qfrpuy3t	170	9	structural	structural	JJ
cord-252871-qfrpuy3t	170	10	and	and	CC
cord-252871-qfrpuy3t	170	11	functional	functional	JJ
cord-252871-qfrpuy3t	170	12	units	unit	NNS
cord-252871-qfrpuy3t	170	13	within	within	IN
cord-252871-qfrpuy3t	170	14	proteins	protein	NNS
cord-252871-qfrpuy3t	170	15	)	)	-RRB-
cord-252871-qfrpuy3t	170	16	gains	gain	NNS
cord-252871-qfrpuy3t	170	17	,	,	,
cord-252871-qfrpuy3t	170	18	losses	loss	NNS
cord-252871-qfrpuy3t	170	19	,	,	,
cord-252871-qfrpuy3t	170	20	rearrangements	rearrangement	NNS
cord-252871-qfrpuy3t	170	21	,	,	,
cord-252871-qfrpuy3t	170	22	duplications	duplication	NNS
cord-252871-qfrpuy3t	170	23	,	,	,
cord-252871-qfrpuy3t	170	24	and	and	CC
cord-252871-qfrpuy3t	170	25	transfers	transfer	NNS
cord-252871-qfrpuy3t	170	26	are	be	VBP
cord-252871-qfrpuy3t	170	27	frequent	frequent	JJ
cord-252871-qfrpuy3t	170	28	events	event	NNS
cord-252871-qfrpuy3t	170	29	in	in	IN
cord-252871-qfrpuy3t	170	30	the	the	DT
cord-252871-qfrpuy3t	170	31	evolution	evolution	NN
cord-252871-qfrpuy3t	170	32	of	of	IN
cord-252871-qfrpuy3t	170	33	genes	gene	NNS
cord-252871-qfrpuy3t	170	34	and	and	CC
cord-252871-qfrpuy3t	170	35	genomes	genome	NNS
cord-252871-qfrpuy3t	170	36	[	[	-LRB-
cord-252871-qfrpuy3t	170	37	68	68	CD
cord-252871-qfrpuy3t	170	38	,	,	,
cord-252871-qfrpuy3t	170	39	69	69	CD
cord-252871-qfrpuy3t	170	40	]	]	-RRB-
cord-252871-qfrpuy3t	170	41	.	.	.
cord-252871-qfrpuy3t	171	1	These	these	DT
cord-252871-qfrpuy3t	171	2	events	event	NNS
cord-252871-qfrpuy3t	171	3	can	can	MD
cord-252871-qfrpuy3t	171	4	happen	happen	VB
cord-252871-qfrpuy3t	171	5	at	at	IN
cord-252871-qfrpuy3t	171	6	different	different	JJ
cord-252871-qfrpuy3t	171	7	rates	rate	NNS
cord-252871-qfrpuy3t	171	8	in	in	IN
cord-252871-qfrpuy3t	171	9	different	different	JJ
cord-252871-qfrpuy3t	171	10	lineages	lineage	NNS
cord-252871-qfrpuy3t	171	11	and	and	CC
cord-252871-qfrpuy3t	171	12	thus	thus	RB
cord-252871-qfrpuy3t	171	13	add	add	VB
cord-252871-qfrpuy3t	171	14	many	many	JJ
cord-252871-qfrpuy3t	171	15	unaligned	unaligned	JJ
cord-252871-qfrpuy3t	171	16	or	or	CC
cord-252871-qfrpuy3t	171	17	poorly	poorly	RB
cord-252871-qfrpuy3t	171	18	aligned	align	VBN
cord-252871-qfrpuy3t	171	19	regions	region	NNS
cord-252871-qfrpuy3t	171	20	in	in	IN
cord-252871-qfrpuy3t	171	21	sequence	sequence	NN
cord-252871-qfrpuy3t	171	22	alignments	alignment	NNS
cord-252871-qfrpuy3t	171	23	[	[	-LRB-
cord-252871-qfrpuy3t	171	24	70	70	CD
cord-252871-qfrpuy3t	171	25	]	]	-RRB-
cord-252871-qfrpuy3t	171	26	.	.	.
cord-252871-qfrpuy3t	172	1	Recovery	recovery	NN
cord-252871-qfrpuy3t	172	2	of	of	IN
cord-252871-qfrpuy3t	172	3	a	a	DT
cord-252871-qfrpuy3t	172	4	reliable	reliable	JJ
cord-252871-qfrpuy3t	172	5	alignment	alignment	NN
cord-252871-qfrpuy3t	172	6	therefore	therefore	RB
cord-252871-qfrpuy3t	172	7	often	often	RB
cord-252871-qfrpuy3t	172	8	requires	require	VBZ
cord-252871-qfrpuy3t	172	9	significant	significant	JJ
cord-252871-qfrpuy3t	172	10	manual	manual	JJ
cord-252871-qfrpuy3t	172	11	curation	curation	NN
cord-252871-qfrpuy3t	172	12	(	(	-LRB-
cord-252871-qfrpuy3t	172	13	e.g.	e.g.	RB
cord-252871-qfrpuy3t	172	14	,	,	,
cord-252871-qfrpuy3t	172	15	removal	removal	NN
cord-252871-qfrpuy3t	172	16	of	of	IN
cord-252871-qfrpuy3t	172	17	a	a	DT
cord-252871-qfrpuy3t	172	18	large	large	JJ
cord-252871-qfrpuy3t	172	19	proportion	proportion	NN
cord-252871-qfrpuy3t	172	20	of	of	IN
cord-252871-qfrpuy3t	172	21	poorly	poorly	RB
cord-252871-qfrpuy3t	172	22	aligned	align	VBN
cord-252871-qfrpuy3t	172	23	sites	site	NNS
cord-252871-qfrpuy3t	172	24	)	)	-RRB-
cord-252871-qfrpuy3t	172	25	,	,	,
cord-252871-qfrpuy3t	172	26	which	which	WDT
cord-252871-qfrpuy3t	172	27	impacts	impact	VBZ
cord-252871-qfrpuy3t	172	28	reproducibility	reproducibility	NN
cord-252871-qfrpuy3t	172	29	by	by	IN
cord-252871-qfrpuy3t	172	30	introducing	introduce	VBG
cord-252871-qfrpuy3t	172	31	subjectivity	subjectivity	NN
cord-252871-qfrpuy3t	172	32	[	[	-LRB-
cord-252871-qfrpuy3t	172	33	71	71	CD
cord-252871-qfrpuy3t	172	34	]	]	-RRB-
cord-252871-qfrpuy3t	172	35	,	,	,
cord-252871-qfrpuy3t	172	36	and	and	CC
cord-252871-qfrpuy3t	172	37	may	may	MD
cord-252871-qfrpuy3t	172	38	even	even	RB
cord-252871-qfrpuy3t	172	39	be	be	VB
cord-252871-qfrpuy3t	172	40	impossible	impossible	JJ
cord-252871-qfrpuy3t	172	41	for	for	IN
cord-252871-qfrpuy3t	172	42	diverse	diverse	JJ
cord-252871-qfrpuy3t	172	43	RNA	RNA	NNP
cord-252871-qfrpuy3t	172	44	virus	virus	NN
cord-252871-qfrpuy3t	172	45	groups	group	NNS
cord-252871-qfrpuy3t	172	46	[	[	-LRB-
cord-252871-qfrpuy3t	172	47	64	64	CD
cord-252871-qfrpuy3t	172	48	]	]	-RRB-
cord-252871-qfrpuy3t	172	49	.	.	.
cord-252871-qfrpuy3t	173	1	Indeed	indeed	RB
cord-252871-qfrpuy3t	173	2	,	,	,
cord-252871-qfrpuy3t	173	3	the	the	DT
cord-252871-qfrpuy3t	173	4	genomes	genome	NNS
cord-252871-qfrpuy3t	173	5	of	of	IN
cord-252871-qfrpuy3t	173	6	RNA	RNA	NNP
cord-252871-qfrpuy3t	173	7	and	and	CC
cord-252871-qfrpuy3t	173	8	retrotranscribing	retrotranscribing	NN
cord-252871-qfrpuy3t	173	9	viruses	virus	NNS
cord-252871-qfrpuy3t	173	10	exhibit	exhibit	VBP
cord-252871-qfrpuy3t	173	11	very	very	RB
cord-252871-qfrpuy3t	173	12	high	high	JJ
cord-252871-qfrpuy3t	173	13	mutation	mutation	NN
cord-252871-qfrpuy3t	173	14	rates	rate	NNS
cord-252871-qfrpuy3t	173	15	[	[	-LRB-
cord-252871-qfrpuy3t	173	16	72	72	CD
cord-252871-qfrpuy3t	173	17	]	]	-RRB-
cord-252871-qfrpuy3t	173	18	.	.	.
cord-252871-qfrpuy3t	174	1	HIV	HIV	NNP
cord-252871-qfrpuy3t	174	2	lineages	lineage	NNS
cord-252871-qfrpuy3t	174	3	evolving	evolve	VBG
cord-252871-qfrpuy3t	174	4	within	within	IN
cord-252871-qfrpuy3t	174	5	the	the	DT
cord-252871-qfrpuy3t	174	6	same	same	JJ
cord-252871-qfrpuy3t	174	7	host	host	NN
cord-252871-qfrpuy3t	174	8	can	can	MD
cord-252871-qfrpuy3t	174	9	differ	differ	VB
cord-252871-qfrpuy3t	174	10	by	by	IN
cord-252871-qfrpuy3t	174	11	5	5	CD
cord-252871-qfrpuy3t	174	12	-	-	SYM
cord-252871-qfrpuy3t	174	13	10	10	CD
cord-252871-qfrpuy3t	174	14	%	%	NN
cord-252871-qfrpuy3t	174	15	whereas	whereas	IN
cord-252871-qfrpuy3t	174	16	intrahuman	intrahuman	JJ
cord-252871-qfrpuy3t	174	17	genetic	genetic	JJ
cord-252871-qfrpuy3t	174	18	variation	variation	NN
cord-252871-qfrpuy3t	174	19	could	could	MD
cord-252871-qfrpuy3t	174	20	be	be	VB
cord-252871-qfrpuy3t	174	21	<	<	$
cord-252871-qfrpuy3t	174	22	0.1	0.1	CD
cord-252871-qfrpuy3t	174	23	%	%	NN
cord-252871-qfrpuy3t	174	24	even	even	RB
cord-252871-qfrpuy3t	174	25	after	after	IN
cord-252871-qfrpuy3t	174	26	2.5	2.5	CD
cord-252871-qfrpuy3t	174	27	million	million	CD
cord-252871-qfrpuy3t	174	28	years	year	NNS
cord-252871-qfrpuy3t	174	29	[	[	-LRB-
cord-252871-qfrpuy3t	174	30	73	73	CD
cord-252871-qfrpuy3t	174	31	]	]	-RRB-
cord-252871-qfrpuy3t	174	32	.	.	.
cord-252871-qfrpuy3t	175	1	These	these	DT
cord-252871-qfrpuy3t	175	2	facts	fact	NNS
cord-252871-qfrpuy3t	175	3	greatly	greatly	RB
cord-252871-qfrpuy3t	175	4	limit	limit	VBP
cord-252871-qfrpuy3t	175	5	our	-PRON-	PRP$
cord-252871-qfrpuy3t	175	6	ability	ability	NN
cord-252871-qfrpuy3t	175	7	to	to	TO
cord-252871-qfrpuy3t	175	8	reconstruct	reconstruct	VB
cord-252871-qfrpuy3t	175	9	past	past	JJ
cord-252871-qfrpuy3t	175	10	evolutionary	evolutionary	JJ
cord-252871-qfrpuy3t	175	11	events	event	NNS
cord-252871-qfrpuy3t	175	12	using	use	VBG
cord-252871-qfrpuy3t	175	13	molecular	molecular	JJ
cord-252871-qfrpuy3t	175	14	sequence	sequence	NN
cord-252871-qfrpuy3t	175	15	information	information	NN
cord-252871-qfrpuy3t	175	16	alone	alone	RB
cord-252871-qfrpuy3t	175	17	and	and	CC
cord-252871-qfrpuy3t	175	18	prompt	prompt	VB
cord-252871-qfrpuy3t	175	19	us	-PRON-	PRP
cord-252871-qfrpuy3t	175	20	to	to	TO
cord-252871-qfrpuy3t	175	21	evaluate	evaluate	VB
cord-252871-qfrpuy3t	175	22	the	the	DT
cord-252871-qfrpuy3t	175	23	potential	potential	NN
cord-252871-qfrpuy3t	175	24	of	of	IN
cord-252871-qfrpuy3t	175	25	alternative	alternative	NN
cord-252871-qfrpuy3t	175	26	,	,	,
cord-252871-qfrpuy3t	175	27	more	more	RBR
cord-252871-qfrpuy3t	175	28	conserved	conserved	JJ
cord-252871-qfrpuy3t	175	29	,	,	,
cord-252871-qfrpuy3t	175	30	molecular	molecular	JJ
cord-252871-qfrpuy3t	175	31	characters	character	NNS
cord-252871-qfrpuy3t	175	32	such	such	JJ
cord-252871-qfrpuy3t	175	33	as	as	IN
cord-252871-qfrpuy3t	175	34	protein	protein	NN
cord-252871-qfrpuy3t	175	35	structures	structure	NNS
cord-252871-qfrpuy3t	175	36	[	[	-LRB-
cord-252871-qfrpuy3t	175	37	74	74	CD
cord-252871-qfrpuy3t	175	38	]	]	-RRB-
cord-252871-qfrpuy3t	175	39	(	(	-LRB-
cord-252871-qfrpuy3t	175	40	Box	Box	NNP
cord-252871-qfrpuy3t	175	41	1	1	CD
cord-252871-qfrpuy3t	175	42	)	)	-RRB-
cord-252871-qfrpuy3t	175	43	.	.	.
cord-252871-qfrpuy3t	176	1	Viruses	virus	NNS
cord-252871-qfrpuy3t	176	2	can	can	MD
cord-252871-qfrpuy3t	176	3	be	be	VB
cord-252871-qfrpuy3t	176	4	better	well	RBR
cord-252871-qfrpuy3t	176	5	defined	define	VBN
cord-252871-qfrpuy3t	176	6	based	base	VBN
cord-252871-qfrpuy3t	176	7	on	on	IN
cord-252871-qfrpuy3t	176	8	the	the	DT
cord-252871-qfrpuy3t	176	9	generic	generic	JJ
cord-252871-qfrpuy3t	176	10	features	feature	NNS
cord-252871-qfrpuy3t	176	11	of	of	IN
cord-252871-qfrpuy3t	176	12	genome	genome	NN
cord-252871-qfrpuy3t	176	13	dissemination	dissemination	NN
cord-252871-qfrpuy3t	176	14	rather	rather	RB
cord-252871-qfrpuy3t	176	15	than	than	IN
cord-252871-qfrpuy3t	176	16	specific	specific	JJ
cord-252871-qfrpuy3t	176	17	virion	virion	NN
cord-252871-qfrpuy3t	176	18	-	-	HYPH
cord-252871-qfrpuy3t	176	19	associated	associate	VBN
cord-252871-qfrpuy3t	176	20	or	or	CC
cord-252871-qfrpuy3t	176	21	physical	physical	JJ
cord-252871-qfrpuy3t	176	22	(	(	-LRB-
cord-252871-qfrpuy3t	176	23	size	size	NN
cord-252871-qfrpuy3t	176	24	)	)	-RRB-
cord-252871-qfrpuy3t	176	25	properties	property	NNS
cord-252871-qfrpuy3t	176	26	.	.	.
cord-252871-qfrpuy3t	177	1	The	the	DT
cord-252871-qfrpuy3t	177	2	defining	define	VBG
cord-252871-qfrpuy3t	177	3	feature	feature	NN
cord-252871-qfrpuy3t	177	4	of	of	IN
cord-252871-qfrpuy3t	177	5	virus	virus	NN
cord-252871-qfrpuy3t	177	6	genomes	genome	NNS
cord-252871-qfrpuy3t	177	7	is	be	VBZ
cord-252871-qfrpuy3t	177	8	the	the	DT
cord-252871-qfrpuy3t	177	9	existence	existence	NN
cord-252871-qfrpuy3t	177	10	and	and	CC
cord-252871-qfrpuy3t	177	11	abundance	abundance	NN
cord-252871-qfrpuy3t	177	12	of	of	IN
cord-252871-qfrpuy3t	177	13	virus	virus	NN
cord-252871-qfrpuy3t	177	14	-	-	HYPH
cord-252871-qfrpuy3t	177	15	specific	specific	JJ
cord-252871-qfrpuy3t	177	16	genes	gene	NNS
cord-252871-qfrpuy3t	177	17	and	and	CC
cord-252871-qfrpuy3t	177	18	protein	protein	NN
cord-252871-qfrpuy3t	177	19	folds	fold	NNS
cord-252871-qfrpuy3t	177	20	that	that	WDT
cord-252871-qfrpuy3t	177	21	have	have	VBP
cord-252871-qfrpuy3t	177	22	no	no	DT
cord-252871-qfrpuy3t	177	23	homologs	homolog	NNS
cord-252871-qfrpuy3t	177	24	in	in	IN
cord-252871-qfrpuy3t	177	25	the	the	DT
cord-252871-qfrpuy3t	177	26	cellular	cellular	JJ
cord-252871-qfrpuy3t	177	27	world	world	NN
cord-252871-qfrpuy3t	177	28	.	.	.
cord-252871-qfrpuy3t	178	1	These	these	DT
cord-252871-qfrpuy3t	178	2	genes	gene	NNS
cord-252871-qfrpuy3t	178	3	are	be	VBP
cord-252871-qfrpuy3t	178	4	rarely	rarely	RB
cord-252871-qfrpuy3t	178	5	discussed	discuss	VBN
cord-252871-qfrpuy3t	178	6	in	in	IN
cord-252871-qfrpuy3t	178	7	the	the	DT
cord-252871-qfrpuy3t	178	8	models	model	NNS
cord-252871-qfrpuy3t	178	9	of	of	IN
cord-252871-qfrpuy3t	178	10	virus	virus	NN
cord-252871-qfrpuy3t	178	11	origin	origin	NN
cord-252871-qfrpuy3t	178	12	and	and	CC
cord-252871-qfrpuy3t	178	13	evolution	evolution	NN
cord-252871-qfrpuy3t	178	14	,	,	,
cord-252871-qfrpuy3t	178	15	and	and	CC
cord-252871-qfrpuy3t	178	16	instead	instead	RB
cord-252871-qfrpuy3t	178	17	most	most	JJS
cord-252871-qfrpuy3t	178	18	evolutionary	evolutionary	JJ
cord-252871-qfrpuy3t	178	19	studies	study	NNS
cord-252871-qfrpuy3t	178	20	rely	rely	VBP
cord-252871-qfrpuy3t	178	21	on	on	IN
cord-252871-qfrpuy3t	178	22	a	a	DT
cord-252871-qfrpuy3t	178	23	very	very	RB
cord-252871-qfrpuy3t	178	24	small	small	JJ
cord-252871-qfrpuy3t	178	25	subset	subset	NN
cord-252871-qfrpuy3t	178	26	of	of	IN
cord-252871-qfrpuy3t	178	27	viral	viral	JJ
cord-252871-qfrpuy3t	178	28	genes	gene	NNS
cord-252871-qfrpuy3t	178	29	for	for	IN
cord-252871-qfrpuy3t	178	30	which	which	WDT
cord-252871-qfrpuy3t	178	31	we	-PRON-	PRP
cord-252871-qfrpuy3t	178	32	can	can	MD
cord-252871-qfrpuy3t	178	33	find	find	VB
cord-252871-qfrpuy3t	178	34	reliable	reliable	JJ
cord-252871-qfrpuy3t	178	35	cellular	cellular	JJ
cord-252871-qfrpuy3t	178	36	homologs	homolog	NNS
cord-252871-qfrpuy3t	178	37	.	.	.
cord-252871-qfrpuy3t	179	1	Often	often	RB
cord-252871-qfrpuy3t	179	2	such	such	JJ
cord-252871-qfrpuy3t	179	3	homologies	homology	NNS
cord-252871-qfrpuy3t	179	4	are	be	VBP
cord-252871-qfrpuy3t	179	5	interpreted	interpret	VBN
cord-252871-qfrpuy3t	179	6	as	as	IN
cord-252871-qfrpuy3t	179	7	gene	gene	NN
cord-252871-qfrpuy3t	179	8	uptake	uptake	NN
cord-252871-qfrpuy3t	179	9	from	from	IN
cord-252871-qfrpuy3t	179	10	cells	cell	NNS
cord-252871-qfrpuy3t	179	11	by	by	IN
cord-252871-qfrpuy3t	179	12	viruses	virus	NNS
cord-252871-qfrpuy3t	179	13	,	,	,
cord-252871-qfrpuy3t	179	14	which	which	WDT
cord-252871-qfrpuy3t	179	15	is	be	VBZ
cord-252871-qfrpuy3t	179	16	an	an	DT
cord-252871-qfrpuy3t	179	17	oversimplified	oversimplified	JJ
cord-252871-qfrpuy3t	179	18	notion	notion	NN
cord-252871-qfrpuy3t	179	19	for	for	IN
cord-252871-qfrpuy3t	179	20	the	the	DT
cord-252871-qfrpuy3t	179	21	evolution	evolution	NN
cord-252871-qfrpuy3t	179	22	of	of	IN
cord-252871-qfrpuy3t	179	23	virus	virus	NN
cord-252871-qfrpuy3t	179	24	genomes	genome	NNS
cord-252871-qfrpuy3t	179	25	.	.	.
cord-252871-qfrpuy3t	180	1	Moreover	moreover	RB
cord-252871-qfrpuy3t	180	2	,	,	,
cord-252871-qfrpuy3t	180	3	the	the	DT
cord-252871-qfrpuy3t	180	4	fast	fast	JJ
cord-252871-qfrpuy3t	180	5	mutation	mutation	NN
cord-252871-qfrpuy3t	180	6	rates	rate	NNS
cord-252871-qfrpuy3t	180	7	of	of	IN
cord-252871-qfrpuy3t	180	8	RNA	RNA	NNP
cord-252871-qfrpuy3t	180	9	and	and	CC
cord-252871-qfrpuy3t	180	10	retrotranscribing	retrotranscribing	NN
cord-252871-qfrpuy3t	180	11	viruses	virus	NNS
cord-252871-qfrpuy3t	180	12	almost	almost	RB
cord-252871-qfrpuy3t	180	13	make	make	VBP
cord-252871-qfrpuy3t	180	14	it	-PRON-	PRP
cord-252871-qfrpuy3t	180	15	impossible	impossible	JJ
cord-252871-qfrpuy3t	180	16	to	to	TO
cord-252871-qfrpuy3t	180	17	recover	recover	VB
cord-252871-qfrpuy3t	180	18	a	a	DT
cord-252871-qfrpuy3t	180	19	reliable	reliable	JJ
cord-252871-qfrpuy3t	180	20	alignment	alignment	NN
cord-252871-qfrpuy3t	180	21	for	for	IN
cord-252871-qfrpuy3t	180	22	deep	deep	JJ
cord-252871-qfrpuy3t	180	23	virus	virus	NN
cord-252871-qfrpuy3t	180	24	evolutionary	evolutionary	JJ
cord-252871-qfrpuy3t	180	25	studies	study	NNS
cord-252871-qfrpuy3t	180	26	.	.	.
cord-252871-qfrpuy3t	181	1	In	in	IN
cord-252871-qfrpuy3t	181	2	this	this	DT
cord-252871-qfrpuy3t	181	3	regard	regard	NN
cord-252871-qfrpuy3t	181	4	,	,	,
cord-252871-qfrpuy3t	181	5	focusing	focus	VBG
cord-252871-qfrpuy3t	181	6	on	on	IN
cord-252871-qfrpuy3t	181	7	alternative	alternative	JJ
cord-252871-qfrpuy3t	181	8	molecular	molecular	JJ
cord-252871-qfrpuy3t	181	9	characters	character	NNS
cord-252871-qfrpuy3t	181	10	that	that	WDT
cord-252871-qfrpuy3t	181	11	are	be	VBP
cord-252871-qfrpuy3t	181	12	better	well	RBR
cord-252871-qfrpuy3t	181	13	conserved	conserve	VBN
cord-252871-qfrpuy3t	181	14	in	in	IN
cord-252871-qfrpuy3t	181	15	evolution	evolution	NN
cord-252871-qfrpuy3t	181	16	(	(	-LRB-
cord-252871-qfrpuy3t	181	17	e.g.	e.g.	RB
cord-252871-qfrpuy3t	181	18	,	,	,
cord-252871-qfrpuy3t	181	19	protein	protein	NN
cord-252871-qfrpuy3t	181	20	structures	structure	NNS
cord-252871-qfrpuy3t	181	21	)	)	-RRB-
cord-252871-qfrpuy3t	181	22	can	can	MD
cord-252871-qfrpuy3t	181	23	possibly	possibly	RB
cord-252871-qfrpuy3t	181	24	provide	provide	VB
cord-252871-qfrpuy3t	181	25	better	well	JJR
cord-252871-qfrpuy3t	181	26	solutions	solution	NNS
cord-252871-qfrpuy3t	181	27	.	.	.
cord-252871-qfrpuy3t	182	1	Viruses	virus	NNS
cord-252871-qfrpuy3t	182	2	are	be	VBP
cord-252871-qfrpuy3t	182	3	likely	likely	RB
cord-252871-qfrpuy3t	182	4	very	very	RB
cord-252871-qfrpuy3t	182	5	old	old	JJ
cord-252871-qfrpuy3t	182	6	and	and	CC
cord-252871-qfrpuy3t	182	7	originated	originate	VBD
cord-252871-qfrpuy3t	182	8	from	from	IN
cord-252871-qfrpuy3t	182	9	ancient	ancient	JJ
cord-252871-qfrpuy3t	182	10	RNA	RNA	NNP
cord-252871-qfrpuy3t	182	11	cells	cell	NNS
cord-252871-qfrpuy3t	182	12	that	that	WDT
cord-252871-qfrpuy3t	182	13	predated	predate	VBD
cord-252871-qfrpuy3t	182	14	LUCA	LUCA	NNP
cord-252871-qfrpuy3t	182	15	.	.	.
cord-252871-qfrpuy3t	183	1	They	-PRON-	PRP
cord-252871-qfrpuy3t	183	2	continue	continue	VBP
cord-252871-qfrpuy3t	183	3	to	to	TO
cord-252871-qfrpuy3t	183	4	play	play	VB
cord-252871-qfrpuy3t	183	5	important	important	JJ
cord-252871-qfrpuy3t	183	6	roles	role	NNS
cord-252871-qfrpuy3t	183	7	in	in	IN
cord-252871-qfrpuy3t	183	8	the	the	DT
cord-252871-qfrpuy3t	183	9	evolution	evolution	NN
cord-252871-qfrpuy3t	183	10	of	of	IN
cord-252871-qfrpuy3t	183	11	cells	cell	NNS
cord-252871-qfrpuy3t	183	12	and	and	CC
cord-252871-qfrpuy3t	183	13	exert	exert	VB
cord-252871-qfrpuy3t	183	14	enormous	enormous	JJ
cord-252871-qfrpuy3t	183	15	pressure	pressure	NN
cord-252871-qfrpuy3t	183	16	on	on	IN
cord-252871-qfrpuy3t	183	17	human	human	JJ
cord-252871-qfrpuy3t	183	18	health	health	NN
cord-252871-qfrpuy3t	183	19	and	and	CC
cord-252871-qfrpuy3t	183	20	the	the	DT
cord-252871-qfrpuy3t	183	21	global	global	JJ
cord-252871-qfrpuy3t	183	22	economy	economy	NN
cord-252871-qfrpuy3t	183	23	.	.	.
cord-252871-qfrpuy3t	184	1	Updating	update	VBG
cord-252871-qfrpuy3t	184	2	our	-PRON-	PRP$
cord-252871-qfrpuy3t	184	3	views	view	NNS
cord-252871-qfrpuy3t	184	4	on	on	IN
cord-252871-qfrpuy3t	184	5	the	the	DT
cord-252871-qfrpuy3t	184	6	origins	origin	NNS
cord-252871-qfrpuy3t	184	7	and	and	CC
cord-252871-qfrpuy3t	184	8	definitions	definition	NNS
cord-252871-qfrpuy3t	184	9	of	of	IN
cord-252871-qfrpuy3t	184	10	viruses	virus	NNS
cord-252871-qfrpuy3t	184	11	(	(	-LRB-
cord-252871-qfrpuy3t	184	12	e.g.	e.g.	RB
cord-252871-qfrpuy3t	184	13	,	,	,
cord-252871-qfrpuy3t	184	14	the	the	DT
cord-252871-qfrpuy3t	184	15	distinction	distinction	NN
cord-252871-qfrpuy3t	184	16	between	between	IN
cord-252871-qfrpuy3t	184	17	virion	virion	NN
cord-252871-qfrpuy3t	184	18	and	and	CC
cord-252871-qfrpuy3t	184	19	virus	virus	NN
cord-252871-qfrpuy3t	184	20	)	)	-RRB-
cord-252871-qfrpuy3t	184	21	may	may	MD
cord-252871-qfrpuy3t	184	22	also	also	RB
cord-252871-qfrpuy3t	184	23	help	help	VB
cord-252871-qfrpuy3t	184	24	to	to	TO
cord-252871-qfrpuy3t	184	25	clarify	clarify	VB
cord-252871-qfrpuy3t	184	26	our	-PRON-	PRP$
cord-252871-qfrpuy3t	184	27	thinking	thinking	NN
cord-252871-qfrpuy3t	184	28	about	about	IN
cord-252871-qfrpuy3t	184	29	the	the	DT
cord-252871-qfrpuy3t	184	30	risk	risk	NN
cord-252871-qfrpuy3t	184	31	of	of	IN
cord-252871-qfrpuy3t	184	32	emergence	emergence	NN
cord-252871-qfrpuy3t	184	33	and	and	CC
cord-252871-qfrpuy3t	184	34	spread	spread	NN
cord-252871-qfrpuy3t	184	35	of	of	IN
cord-252871-qfrpuy3t	184	36	new	new	JJ
cord-252871-qfrpuy3t	184	37	viral	viral	JJ
cord-252871-qfrpuy3t	184	38	diseases	disease	NNS
cord-252871-qfrpuy3t	184	39	(	(	-LRB-
cord-252871-qfrpuy3t	184	40	see	see	VB
cord-252871-qfrpuy3t	184	41	Outstanding	Outstanding	NNP
cord-252871-qfrpuy3t	184	42	Questions	Questions	NNPS
cord-252871-qfrpuy3t	184	43	)	)	-RRB-
cord-252871-qfrpuy3t	184	44	.	.	.
cord-252871-qfrpuy3t	185	1	How	how	WRB
cord-252871-qfrpuy3t	185	2	to	to	TO
cord-252871-qfrpuy3t	185	3	visualize	visualize	VB
cord-252871-qfrpuy3t	185	4	and	and	CC
cord-252871-qfrpuy3t	185	5	illustrate	illustrate	VB
cord-252871-qfrpuy3t	185	6	viruses	virus	NNS
cord-252871-qfrpuy3t	185	7	(	(	-LRB-
cord-252871-qfrpuy3t	185	8	virus	virus	NN
cord-252871-qfrpuy3t	185	9	factories	factory	NNS
cord-252871-qfrpuy3t	185	10	)	)	-RRB-
cord-252871-qfrpuy3t	185	11	if	if	IN
cord-252871-qfrpuy3t	185	12	virions	virion	NNS
cord-252871-qfrpuy3t	185	13	can	can	MD
cord-252871-qfrpuy3t	185	14	not	not	RB
cord-252871-qfrpuy3t	185	15	and	and	CC
cord-252871-qfrpuy3t	185	16	should	should	MD
cord-252871-qfrpuy3t	185	17	not	not	RB
cord-252871-qfrpuy3t	185	18	be	be	VB
cord-252871-qfrpuy3t	185	19	used	use	VBN
cord-252871-qfrpuy3t	185	20	to	to	TO
cord-252871-qfrpuy3t	185	21	describe	describe	VB
cord-252871-qfrpuy3t	185	22	viruses	virus	NNS
cord-252871-qfrpuy3t	185	23	?	?	.
cord-252871-qfrpuy3t	186	1	How	how	WRB
cord-252871-qfrpuy3t	186	2	are	be	VBP
cord-252871-qfrpuy3t	186	3	RNA	RNA	NNP
cord-252871-qfrpuy3t	186	4	and	and	CC
cord-252871-qfrpuy3t	186	5	DNA	dna	NN
cord-252871-qfrpuy3t	186	6	viruses	virus	NNS
cord-252871-qfrpuy3t	186	7	evolutionarily	evolutionarily	RB
cord-252871-qfrpuy3t	186	8	related	relate	VBN
cord-252871-qfrpuy3t	186	9	?	?	.
cord-252871-qfrpuy3t	187	1	Do	do	VBP
cord-252871-qfrpuy3t	187	2	well	well	RB
cord-252871-qfrpuy3t	187	3	defined	define	VBN
cord-252871-qfrpuy3t	187	4	boundaries	boundary	NNS
cord-252871-qfrpuy3t	187	5	exist	exist	VBP
cord-252871-qfrpuy3t	187	6	between	between	IN
cord-252871-qfrpuy3t	187	7	cellular	cellular	JJ
cord-252871-qfrpuy3t	187	8	and	and	CC
cord-252871-qfrpuy3t	187	9	viral	viral	JJ
cord-252871-qfrpuy3t	187	10	lineages	lineage	NNS
cord-252871-qfrpuy3t	187	11	?	?	.
cord-252871-qfrpuy3t	188	1	How	how	WRB
cord-252871-qfrpuy3t	188	2	do	do	VBP
cord-252871-qfrpuy3t	188	3	we	-PRON-	PRP
cord-252871-qfrpuy3t	188	4	explain	explain	VB
cord-252871-qfrpuy3t	188	5	the	the	DT
cord-252871-qfrpuy3t	188	6	origin	origin	NN
cord-252871-qfrpuy3t	188	7	and	and	CC
cord-252871-qfrpuy3t	188	8	abundance	abundance	NN
cord-252871-qfrpuy3t	188	9	of	of	IN
cord-252871-qfrpuy3t	188	10	virus	virus	NN
cord-252871-qfrpuy3t	188	11	-	-	HYPH
cord-252871-qfrpuy3t	188	12	specific	specific	JJ
cord-252871-qfrpuy3t	188	13	genes	gene	NNS
cord-252871-qfrpuy3t	188	14	in	in	IN
cord-252871-qfrpuy3t	188	15	viral	viral	JJ
cord-252871-qfrpuy3t	188	16	genomes	genome	NNS
cord-252871-qfrpuy3t	188	17	?	?	.
cord-252871-qfrpuy3t	189	1	Can	Can	MD
cord-252871-qfrpuy3t	189	2	protein	protein	NN
cord-252871-qfrpuy3t	189	3	structure	structure	NN
cord-252871-qfrpuy3t	189	4	-	-	HYPH
cord-252871-qfrpuy3t	189	5	based	base	VBN
cord-252871-qfrpuy3t	189	6	methods	method	NNS
cord-252871-qfrpuy3t	189	7	improve	improve	VBP
cord-252871-qfrpuy3t	189	8	the	the	DT
cord-252871-qfrpuy3t	189	9	evolutionary	evolutionary	JJ
cord-252871-qfrpuy3t	189	10	studies	study	NNS
cord-252871-qfrpuy3t	189	11	of	of	IN
cord-252871-qfrpuy3t	189	12	viruses	virus	NNS
cord-252871-qfrpuy3t	189	13	?	?	.
cord-252871-qfrpuy3t	190	1	Advancements	advancement	NNS
cord-252871-qfrpuy3t	190	2	in	in	IN
cord-252871-qfrpuy3t	190	3	structural	structural	JJ
cord-252871-qfrpuy3t	190	4	biology	biology	NN
cord-252871-qfrpuy3t	190	5	allow	allow	VBP
cord-252871-qfrpuy3t	190	6	us	-PRON-	PRP
cord-252871-qfrpuy3t	190	7	to	to	TO
cord-252871-qfrpuy3t	190	8	explore	explore	VB
cord-252871-qfrpuy3t	190	9	and	and	CC
cord-252871-qfrpuy3t	190	10	utilize	utilize	VB
cord-252871-qfrpuy3t	190	11	new	new	JJ
cord-252871-qfrpuy3t	190	12	sets	set	NNS
cord-252871-qfrpuy3t	190	13	of	of	IN
cord-252871-qfrpuy3t	190	14	molecular	molecular	JJ
cord-252871-qfrpuy3t	190	15	characters	character	NNS
cord-252871-qfrpuy3t	190	16	to	to	TO
cord-252871-qfrpuy3t	190	17	study	study	VB
cord-252871-qfrpuy3t	190	18	deep	deep	JJ
cord-252871-qfrpuy3t	190	19	evolution	evolution	NN
cord-252871-qfrpuy3t	190	20	.	.	.
cord-252871-qfrpuy3t	191	1	Protein	protein	NN
cord-252871-qfrpuy3t	191	2	function	function	NN
cord-252871-qfrpuy3t	191	3	is	be	VBZ
cord-252871-qfrpuy3t	191	4	usually	usually	RB
cord-252871-qfrpuy3t	191	5	determined	determine	VBN
cord-252871-qfrpuy3t	191	6	directly	directly	RB
cord-252871-qfrpuy3t	191	7	by	by	IN
cord-252871-qfrpuy3t	191	8	the	the	DT
cord-252871-qfrpuy3t	191	9	3D	3d	JJ
cord-252871-qfrpuy3t	191	10	shape	shape	NN
cord-252871-qfrpuy3t	191	11	of	of	IN
cord-252871-qfrpuy3t	191	12	the	the	DT
cord-252871-qfrpuy3t	191	13	protein	protein	NN
cord-252871-qfrpuy3t	191	14	.	.	.
cord-252871-qfrpuy3t	192	1	This	this	DT
cord-252871-qfrpuy3t	192	2	fact	fact	NN
cord-252871-qfrpuy3t	192	3	constrains	constrain	VBZ
cord-252871-qfrpuy3t	192	4	the	the	DT
cord-252871-qfrpuy3t	192	5	preservation	preservation	NN
cord-252871-qfrpuy3t	192	6	of	of	IN
cord-252871-qfrpuy3t	192	7	protein	protein	NN
cord-252871-qfrpuy3t	192	8	structure	structure	NN
cord-252871-qfrpuy3t	192	9	over	over	IN
cord-252871-qfrpuy3t	192	10	longer	long	JJR
cord-252871-qfrpuy3t	192	11	periods	period	NNS
cord-252871-qfrpuy3t	192	12	of	of	IN
cord-252871-qfrpuy3t	192	13	time	time	NN
cord-252871-qfrpuy3t	192	14	,	,	,
cord-252871-qfrpuy3t	192	15	as	as	IN
cord-252871-qfrpuy3t	192	16	tampering	tamper	VBG
cord-252871-qfrpuy3t	192	17	with	with	IN
cord-252871-qfrpuy3t	192	18	the	the	DT
cord-252871-qfrpuy3t	192	19	structure	structure	NN
cord-252871-qfrpuy3t	192	20	could	could	MD
cord-252871-qfrpuy3t	192	21	lead	lead	VB
cord-252871-qfrpuy3t	192	22	to	to	IN
cord-252871-qfrpuy3t	192	23	loss	loss	NN
cord-252871-qfrpuy3t	192	24	of	of	IN
cord-252871-qfrpuy3t	192	25	function	function	NN
cord-252871-qfrpuy3t	192	26	and	and	CC
cord-252871-qfrpuy3t	192	27	could	could	MD
cord-252871-qfrpuy3t	192	28	be	be	VB
cord-252871-qfrpuy3t	192	29	quite	quite	RB
cord-252871-qfrpuy3t	192	30	damaging	damaging	JJ
cord-252871-qfrpuy3t	192	31	[	[	-LRB-
cord-252871-qfrpuy3t	192	32	63	63	CD
cord-252871-qfrpuy3t	192	33	,	,	,
cord-252871-qfrpuy3t	192	34	75	75	CD
cord-252871-qfrpuy3t	192	35	,	,	,
cord-252871-qfrpuy3t	192	36	76	76	CD
cord-252871-qfrpuy3t	192	37	]	]	-RRB-
cord-252871-qfrpuy3t	192	38	.	.	.
cord-252871-qfrpuy3t	193	1	As	as	IN
cord-252871-qfrpuy3t	193	2	of	of	IN
cord-252871-qfrpuy3t	193	3	26	26	CD
cord-252871-qfrpuy3t	193	4	May	May	NNP
cord-252871-qfrpuy3t	193	5	2020	2020	CD
cord-252871-qfrpuy3t	193	6	,	,	,
cord-252871-qfrpuy3t	193	7	there	there	EX
cord-252871-qfrpuy3t	193	8	are~160	are~160	CD
cord-252871-qfrpuy3t	193	9	000	000	CD
cord-252871-qfrpuy3t	194	1	protein	protein	JJ
cord-252871-qfrpuy3t	194	2	structural	structural	JJ
cord-252871-qfrpuy3t	194	3	entries	entry	NNS
cord-252871-qfrpuy3t	194	4	in	in	IN
cord-252871-qfrpuy3t	194	5	the	the	DT
cord-252871-qfrpuy3t	194	6	RCSB	RCSB	NNP
cord-252871-qfrpuy3t	194	7	Protein	Protein	NNP
cord-252871-qfrpuy3t	194	8	Data	Data	NNP
cord-252871-qfrpuy3t	194	9	Bank	Bank	NNP
cord-252871-qfrpuy3t	194	10	[	[	-LRB-
cord-252871-qfrpuy3t	194	11	77	77	CD
cord-252871-qfrpuy3t	194	12	]	]	-RRB-
cord-252871-qfrpuy3t	194	13	.	.	.
cord-252871-qfrpuy3t	195	1	These	these	DT
cord-252871-qfrpuy3t	195	2	structures	structure	NNS
cord-252871-qfrpuy3t	195	3	correspond	correspond	VBP
cord-252871-qfrpuy3t	195	4	to~1400	to~1400	CD
cord-252871-qfrpuy3t	195	5	protein	protein	NN
cord-252871-qfrpuy3t	195	6	folds	fold	VBZ
cord-252871-qfrpuy3t	195	7	[	[	-LRB-
cord-252871-qfrpuy3t	195	8	78	78	CD
cord-252871-qfrpuy3t	195	9	]	]	-RRB-
cord-252871-qfrpuy3t	195	10	,	,	,
cord-252871-qfrpuy3t	195	11	indicating	indicate	VBG
cord-252871-qfrpuy3t	195	12	that	that	IN
cord-252871-qfrpuy3t	195	13	protein	protein	NN
cord-252871-qfrpuy3t	195	14	structure	structure	NN
cord-252871-qfrpuy3t	195	15	space	space	NN
cord-252871-qfrpuy3t	195	16	is	be	VBZ
cord-252871-qfrpuy3t	195	17	relatively	relatively	RB
cord-252871-qfrpuy3t	195	18	well	well	RB
cord-252871-qfrpuy3t	195	19	sampled	sample	VBN
cord-252871-qfrpuy3t	195	20	and	and	CC
cord-252871-qfrpuy3t	195	21	possibly	possibly	RB
cord-252871-qfrpuy3t	195	22	finite	finite	JJ
cord-252871-qfrpuy3t	195	23	[	[	-LRB-
cord-252871-qfrpuy3t	195	24	79	79	CD
cord-252871-qfrpuy3t	195	25	]	]	-RRB-
cord-252871-qfrpuy3t	195	26	.	.	.
cord-252871-qfrpuy3t	196	1	Illergård	Illergård	NNP
cord-252871-qfrpuy3t	196	2	et	et	NNP
cord-252871-qfrpuy3t	196	3	al	al	NNP
cord-252871-qfrpuy3t	196	4	.	.	.
cord-252871-qfrpuy3t	197	1	showed	show	VBD
cord-252871-qfrpuy3t	197	2	that	that	IN
cord-252871-qfrpuy3t	197	3	protein	protein	NN
cord-252871-qfrpuy3t	197	4	structures	structure	NNS
cord-252871-qfrpuy3t	197	5	evolve	evolve	VBP
cord-252871-qfrpuy3t	197	6	at	at	RB
cord-252871-qfrpuy3t	197	7	least	least	RBS
cord-252871-qfrpuy3t	197	8	three	three	CD
cord-252871-qfrpuy3t	197	9	to	to	TO
cord-252871-qfrpuy3t	197	10	ten	ten	CD
cord-252871-qfrpuy3t	197	11	times	time	NNS
cord-252871-qfrpuy3t	197	12	slower	slow	JJR
cord-252871-qfrpuy3t	197	13	than	than	IN
cord-252871-qfrpuy3t	197	14	protein	protein	NN
cord-252871-qfrpuy3t	197	15	sequences	sequence	NNS
cord-252871-qfrpuy3t	197	16	[	[	-LRB-
cord-252871-qfrpuy3t	197	17	74	74	CD
cord-252871-qfrpuy3t	197	18	]	]	-RRB-
cord-252871-qfrpuy3t	197	19	.	.	.
cord-252871-qfrpuy3t	198	1	Protein	protein	NN
cord-252871-qfrpuy3t	198	2	folds	fold	NNS
cord-252871-qfrpuy3t	198	3	are	be	VBP
cord-252871-qfrpuy3t	198	4	thus	thus	RB
cord-252871-qfrpuy3t	198	5	(	(	-LRB-
cord-252871-qfrpuy3t	198	6	apparently	apparently	RB
cord-252871-qfrpuy3t	198	7	)	)	-RRB-
cord-252871-qfrpuy3t	198	8	advantageous	advantageous	JJ
cord-252871-qfrpuy3t	198	9	as	as	IN
cord-252871-qfrpuy3t	198	10	they	-PRON-	PRP
cord-252871-qfrpuy3t	198	11	are	be	VBP
cord-252871-qfrpuy3t	198	12	remarkably	remarkably	RB
cord-252871-qfrpuy3t	198	13	conserved	conserve	VBN
cord-252871-qfrpuy3t	198	14	across	across	IN
cord-252871-qfrpuy3t	198	15	all	all	DT
cord-252871-qfrpuy3t	198	16	species	specie	NNS
cord-252871-qfrpuy3t	198	17	,	,	,
cord-252871-qfrpuy3t	198	18	(	(	-LRB-
cord-252871-qfrpuy3t	198	19	and	and	CC
cord-252871-qfrpuy3t	198	20	even	even	RB
cord-252871-qfrpuy3t	198	21	)	)	-RRB-
cord-252871-qfrpuy3t	198	22	viruses	virus	NNS
cord-252871-qfrpuy3t	198	23	,	,	,
cord-252871-qfrpuy3t	198	24	as	as	IN
cord-252871-qfrpuy3t	198	25	revealed	reveal	VBN
cord-252871-qfrpuy3t	198	26	by	by	IN
cord-252871-qfrpuy3t	198	27	their	-PRON-	PRP$
cord-252871-qfrpuy3t	198	28	use	use	NN
cord-252871-qfrpuy3t	198	29	in	in	IN
cord-252871-qfrpuy3t	198	30	recent	recent	JJ
cord-252871-qfrpuy3t	198	31	studies	study	NNS
cord-252871-qfrpuy3t	198	32	[	[	-LRB-
cord-252871-qfrpuy3t	198	33	80	80	CD
cord-252871-qfrpuy3t	198	34	,	,	,
cord-252871-qfrpuy3t	198	35	81	81	CD
cord-252871-qfrpuy3t	198	36	]	]	-RRB-
cord-252871-qfrpuy3t	198	37	.	.	.
cord-252871-qfrpuy3t	199	1	It	-PRON-	PRP
cord-252871-qfrpuy3t	199	2	is	be	VBZ
cord-252871-qfrpuy3t	199	3	possible	possible	JJ
cord-252871-qfrpuy3t	199	4	that	that	IN
cord-252871-qfrpuy3t	199	5	a	a	DT
cord-252871-qfrpuy3t	199	6	large	large	JJ
cord-252871-qfrpuy3t	199	7	number	number	NN
cord-252871-qfrpuy3t	199	8	of	of	IN
cord-252871-qfrpuy3t	199	9	protein	protein	NN
cord-252871-qfrpuy3t	199	10	folds	fold	NNS
cord-252871-qfrpuy3t	199	11	we	-PRON-	PRP
cord-252871-qfrpuy3t	199	12	see	see	VBP
cord-252871-qfrpuy3t	199	13	today	today	NN
cord-252871-qfrpuy3t	199	14	are	be	VBP
cord-252871-qfrpuy3t	199	15	very	very	RB
cord-252871-qfrpuy3t	199	16	ancient	ancient	JJ
cord-252871-qfrpuy3t	199	17	,	,	,
cord-252871-qfrpuy3t	199	18	and	and	CC
cord-252871-qfrpuy3t	199	19	even	even	RB
cord-252871-qfrpuy3t	199	20	predated	predate	VBD
cord-252871-qfrpuy3t	199	21	LUCA	LUCA	NNP
cord-252871-qfrpuy3t	199	22	[	[	-LRB-
cord-252871-qfrpuy3t	199	23	37	37	CD
cord-252871-qfrpuy3t	199	24	,	,	,
cord-252871-qfrpuy3t	199	25	41	41	CD
cord-252871-qfrpuy3t	199	26	]	]	-RRB-
cord-252871-qfrpuy3t	199	27	.	.	.
cord-252871-qfrpuy3t	200	1	Their	-PRON-	PRP$
cord-252871-qfrpuy3t	200	2	use	use	NN
cord-252871-qfrpuy3t	200	3	could	could	MD
cord-252871-qfrpuy3t	200	4	thus	thus	RB
cord-252871-qfrpuy3t	200	5	be	be	VB
cord-252871-qfrpuy3t	200	6	extremely	extremely	RB
cord-252871-qfrpuy3t	200	7	powerful	powerful	JJ
cord-252871-qfrpuy3t	200	8	if	if	IN
cord-252871-qfrpuy3t	200	9	subjected	subject	VBN
cord-252871-qfrpuy3t	200	10	to	to	TO
cord-252871-qfrpuy3t	200	11	careful	careful	JJ
cord-252871-qfrpuy3t	200	12	phylogenomic	phylogenomic	JJ
cord-252871-qfrpuy3t	200	13	and	and	CC
cord-252871-qfrpuy3t	200	14	comparative	comparative	JJ
cord-252871-qfrpuy3t	200	15	analyses	analysis	NNS
cord-252871-qfrpuy3t	200	16	.	.	.
cord-252871-qfrpuy3t	201	1	However	however	RB
cord-252871-qfrpuy3t	201	2	,	,	,
cord-252871-qfrpuy3t	201	3	much	much	RB
cord-252871-qfrpuy3t	201	4	like	like	IN
cord-252871-qfrpuy3t	201	5	the	the	DT
cord-252871-qfrpuy3t	201	6	resistance	resistance	NN
cord-252871-qfrpuy3t	201	7	to	to	IN
cord-252871-qfrpuy3t	201	8	accepting	accept	VBG
cord-252871-qfrpuy3t	201	9	emerging	emerge	VBG
cord-252871-qfrpuy3t	201	10	viewpoints	viewpoint	NNS
cord-252871-qfrpuy3t	201	11	on	on	IN
cord-252871-qfrpuy3t	201	12	viruses	virus	NNS
cord-252871-qfrpuy3t	201	13	,	,	,
cord-252871-qfrpuy3t	201	14	protein	protein	NN
cord-252871-qfrpuy3t	201	15	structures	structure	NNS
cord-252871-qfrpuy3t	201	16	have	have	VBP
cord-252871-qfrpuy3t	201	17	been	be	VBN
cord-252871-qfrpuy3t	201	18	rarely	rarely	RB
cord-252871-qfrpuy3t	201	19	utilized	utilize	VBN
cord-252871-qfrpuy3t	201	20	in	in	IN
cord-252871-qfrpuy3t	201	21	evolutionary	evolutionary	JJ
cord-252871-qfrpuy3t	201	22	studies	study	NNS
cord-252871-qfrpuy3t	201	23	.	.	.
cord-252871-qfrpuy3t	202	1	This	this	DT
cord-252871-qfrpuy3t	202	2	remains	remain	VBZ
cord-252871-qfrpuy3t	202	3	another	another	DT
cord-252871-qfrpuy3t	202	4	major	major	JJ
cord-252871-qfrpuy3t	202	5	roadblock	roadblock	NN
cord-252871-qfrpuy3t	202	6	in	in	IN
cord-252871-qfrpuy3t	202	7	our	-PRON-	PRP$
cord-252871-qfrpuy3t	202	8	understanding	understanding	NN
cord-252871-qfrpuy3t	202	9	of	of	IN
cord-252871-qfrpuy3t	202	10	virus	virus	NN
cord-252871-qfrpuy3t	202	11	origins	origin	NNS
cord-252871-qfrpuy3t	202	12	and	and	CC
cord-252871-qfrpuy3t	202	13	evolution	evolution	NN
cord-252871-qfrpuy3t	202	14	.	.	.
cord-252871-qfrpuy3t	203	1	Trends	trend	NNS
cord-252871-qfrpuy3t	203	2	in	in	IN
cord-252871-qfrpuy3t	203	3	Microbiology	Microbiology	NNP
cord-252871-qfrpuy3t	203	4	,	,	,
cord-252871-qfrpuy3t	203	5	Month	Month	NNP
cord-252871-qfrpuy3t	203	6	2020	2020	CD
cord-252871-qfrpuy3t	203	7	,	,	,
cord-252871-qfrpuy3t	203	8	Vol	Vol	NNP
cord-252871-qfrpuy3t	203	9	.	.	.
cord-252871-qfrpuy3t	204	1	xx	xx	UH
cord-252871-qfrpuy3t	204	2	,	,	,
cord-252871-qfrpuy3t	204	3	No	no	UH
cord-252871-qfrpuy3t	204	4	.	.	.
cord-252871-qfrpuy3t	205	1	xx	xx	LS
cord-252871-qfrpuy3t	205	2	7	7	CD
cord-252871-qfrpuy3t	205	3	Ten	ten	CD
cord-252871-qfrpuy3t	205	4	reasons	reason	NNS
cord-252871-qfrpuy3t	205	5	to	to	TO
cord-252871-qfrpuy3t	205	6	exclude	exclude	VB
cord-252871-qfrpuy3t	205	7	viruses	virus	NNS
cord-252871-qfrpuy3t	205	8	from	from	IN
cord-252871-qfrpuy3t	205	9	the	the	DT
cord-252871-qfrpuy3t	205	10	tree	tree	NN
cord-252871-qfrpuy3t	205	11	of	of	IN
cord-252871-qfrpuy3t	205	12	life	life	NN
cord-252871-qfrpuy3t	205	13	To	to	TO
cord-252871-qfrpuy3t	205	14	be	be	VB
cord-252871-qfrpuy3t	205	15	or	or	CC
cord-252871-qfrpuy3t	205	16	not	not	RB
cord-252871-qfrpuy3t	205	17	to	to	TO
cord-252871-qfrpuy3t	205	18	be	be	VB
cord-252871-qfrpuy3t	205	19	alive	alive	JJ
cord-252871-qfrpuy3t	206	1	:	:	:
cord-252871-qfrpuy3t	206	2	How	how	WRB
cord-252871-qfrpuy3t	206	3	recent	recent	JJ
cord-252871-qfrpuy3t	206	4	discoveries	discovery	NNS
cord-252871-qfrpuy3t	206	5	challenge	challenge	VBP
cord-252871-qfrpuy3t	206	6	the	the	DT
cord-252871-qfrpuy3t	206	7	traditional	traditional	JJ
cord-252871-qfrpuy3t	206	8	definitions	definition	NNS
cord-252871-qfrpuy3t	206	9	of	of	IN
cord-252871-qfrpuy3t	206	10	viruses	virus	NNS
cord-252871-qfrpuy3t	206	11	and	and	CC
cord-252871-qfrpuy3t	206	12	life	life	NN
cord-252871-qfrpuy3t	206	13	Viruses	virus	NNS
cord-252871-qfrpuy3t	206	14	as	as	IN
cord-252871-qfrpuy3t	206	15	living	living	NN
cord-252871-qfrpuy3t	206	16	processes	process	NNS
cord-252871-qfrpuy3t	206	17	Open	open	JJ
cord-252871-qfrpuy3t	206	18	questions	question	NNS
cord-252871-qfrpuy3t	206	19	about	about	IN
cord-252871-qfrpuy3t	206	20	giant	giant	JJ
cord-252871-qfrpuy3t	206	21	viruses	virus	NNS
cord-252871-qfrpuy3t	207	1	The	the	DT
cord-252871-qfrpuy3t	207	2	metaphor	metaphor	NN
cord-252871-qfrpuy3t	207	3	that	that	WDT
cord-252871-qfrpuy3t	207	4	viruses	virus	NNS
cord-252871-qfrpuy3t	207	5	are	be	VBP
cord-252871-qfrpuy3t	207	6	living	live	VBG
cord-252871-qfrpuy3t	207	7	is	be	VBZ
cord-252871-qfrpuy3t	207	8	alive	alive	JJ
cord-252871-qfrpuy3t	207	9	and	and	CC
cord-252871-qfrpuy3t	207	10	well	well	RB
cord-252871-qfrpuy3t	207	11	,	,	,
cord-252871-qfrpuy3t	207	12	but	but	CC
cord-252871-qfrpuy3t	207	13	it	-PRON-	PRP
cord-252871-qfrpuy3t	207	14	is	be	VBZ
cord-252871-qfrpuy3t	207	15	no	no	DT
cord-252871-qfrpuy3t	207	16	more	more	JJR
cord-252871-qfrpuy3t	207	17	than	than	IN
cord-252871-qfrpuy3t	207	18	a	a	DT
cord-252871-qfrpuy3t	207	19	metaphor	metaphor	NN
cord-252871-qfrpuy3t	208	1	The	the	DT
cord-252871-qfrpuy3t	208	2	proximal	proximal	JJ
cord-252871-qfrpuy3t	208	3	origin	origin	NN
cord-252871-qfrpuy3t	208	4	of	of	IN
cord-252871-qfrpuy3t	208	5	SARS	SARS	NNP
cord-252871-qfrpuy3t	208	6	-	-	HYPH
cord-252871-qfrpuy3t	208	7	CoV-2	CoV-2	NNP
cord-252871-qfrpuy3t	208	8	Dynamic	dynamic	JJ
cord-252871-qfrpuy3t	208	9	genome	genome	NN
cord-252871-qfrpuy3t	208	10	evolution	evolution	NN
cord-252871-qfrpuy3t	208	11	and	and	CC
cord-252871-qfrpuy3t	208	12	complex	complex	JJ
cord-252871-qfrpuy3t	208	13	virocell	virocell	JJ
cord-252871-qfrpuy3t	208	14	metabolism	metabolism	NN
cord-252871-qfrpuy3t	208	15	of	of	IN
cord-252871-qfrpuy3t	208	16	globally	globally	RB
cord-252871-qfrpuy3t	208	17	-	-	HYPH
cord-252871-qfrpuy3t	208	18	distributed	distribute	VBN
cord-252871-qfrpuy3t	208	19	giant	giant	JJ
cord-252871-qfrpuy3t	208	20	viruses	virus	NNS
cord-252871-qfrpuy3t	208	21	Giant	giant	JJ
cord-252871-qfrpuy3t	208	22	virus	virus	NN
cord-252871-qfrpuy3t	208	23	diversity	diversity	NN
cord-252871-qfrpuy3t	208	24	and	and	CC
cord-252871-qfrpuy3t	208	25	host	host	NN
cord-252871-qfrpuy3t	208	26	interactions	interaction	NNS
cord-252871-qfrpuy3t	208	27	through	through	IN
cord-252871-qfrpuy3t	208	28	global	global	JJ
cord-252871-qfrpuy3t	208	29	metagenomics	metagenomic	NNS
cord-252871-qfrpuy3t	209	1	The	the	DT
cord-252871-qfrpuy3t	209	2	good	good	JJ
cord-252871-qfrpuy3t	209	3	viruses	virus	NNS
cord-252871-qfrpuy3t	209	4	:	:	:
cord-252871-qfrpuy3t	210	1	viral	viral	JJ
cord-252871-qfrpuy3t	210	2	mutualistic	mutualistic	JJ
cord-252871-qfrpuy3t	210	3	symbioses	symbiose	NNS
cord-252871-qfrpuy3t	210	4	Move	move	VB
cord-252871-qfrpuy3t	210	5	over	over	RB
cord-252871-qfrpuy3t	210	6	,	,	,
cord-252871-qfrpuy3t	210	7	bacteria	bacteria	NNS
cord-252871-qfrpuy3t	210	8	!	!	.
cord-252871-qfrpuy3t	211	1	viruses	virus	NNS
cord-252871-qfrpuy3t	211	2	make	make	VBP
cord-252871-qfrpuy3t	211	3	their	-PRON-	PRP$
cord-252871-qfrpuy3t	211	4	mark	mark	NN
cord-252871-qfrpuy3t	211	5	as	as	IN
cord-252871-qfrpuy3t	211	6	mutualistic	mutualistic	JJ
cord-252871-qfrpuy3t	211	7	microbial	microbial	JJ
cord-252871-qfrpuy3t	211	8	symbionts	symbiont	NNS
cord-252871-qfrpuy3t	211	9	Giant	giant	JJ
cord-252871-qfrpuy3t	211	10	viruses	virus	NNS
cord-252871-qfrpuy3t	211	11	:	:	:
cord-252871-qfrpuy3t	211	12	The	the	DT
cord-252871-qfrpuy3t	211	13	difficult	difficult	JJ
cord-252871-qfrpuy3t	211	14	breaking	breaking	NN
cord-252871-qfrpuy3t	211	15	of	of	IN
cord-252871-qfrpuy3t	211	16	multiple	multiple	JJ
cord-252871-qfrpuy3t	211	17	epistemological	epistemological	JJ
cord-252871-qfrpuy3t	211	18	barriers	barrier	NNS
cord-252871-qfrpuy3t	211	19	Viruses	virus	NNS
cord-252871-qfrpuy3t	211	20	take	take	VBP
cord-252871-qfrpuy3t	211	21	center	center	NN
cord-252871-qfrpuy3t	211	22	stage	stage	NN
cord-252871-qfrpuy3t	211	23	in	in	IN
cord-252871-qfrpuy3t	211	24	cellular	cellular	JJ
cord-252871-qfrpuy3t	211	25	evolution	evolution	NN
cord-252871-qfrpuy3t	211	26	A	a	DT
cord-252871-qfrpuy3t	211	27	new	new	JJ
cord-252871-qfrpuy3t	211	28	theory	theory	NN
cord-252871-qfrpuy3t	211	29	on	on	IN
cord-252871-qfrpuy3t	211	30	the	the	DT
cord-252871-qfrpuy3t	211	31	origin	origin	NN
cord-252871-qfrpuy3t	211	32	and	and	CC
cord-252871-qfrpuy3t	211	33	the	the	DT
cord-252871-qfrpuy3t	211	34	nature	nature	NN
cord-252871-qfrpuy3t	211	35	of	of	IN
cord-252871-qfrpuy3t	211	36	viruses	virus	NNS
cord-252871-qfrpuy3t	211	37	Logical	logical	JJ
cord-252871-qfrpuy3t	211	38	puzzles	puzzle	NNS
cord-252871-qfrpuy3t	211	39	and	and	CC
cord-252871-qfrpuy3t	211	40	scientific	scientific	JJ
cord-252871-qfrpuy3t	211	41	controversies	controversy	NNS
cord-252871-qfrpuy3t	211	42	:	:	:
cord-252871-qfrpuy3t	211	43	The	the	DT
cord-252871-qfrpuy3t	211	44	nature	nature	NN
cord-252871-qfrpuy3t	211	45	of	of	IN
cord-252871-qfrpuy3t	211	46	species	specie	NNS
cord-252871-qfrpuy3t	211	47	,	,	,
cord-252871-qfrpuy3t	211	48	viruses	virus	NNS
cord-252871-qfrpuy3t	211	49	and	and	CC
cord-252871-qfrpuy3t	211	50	living	live	VBG
cord-252871-qfrpuy3t	211	51	organisms	organism	NNS
cord-252871-qfrpuy3t	212	1	The	the	DT
cord-252871-qfrpuy3t	212	2	transition	transition	NN
cord-252871-qfrpuy3t	212	3	from	from	IN
cord-252871-qfrpuy3t	212	4	live	live	RB
cord-252871-qfrpuy3t	212	5	to	to	IN
cord-252871-qfrpuy3t	212	6	dead	dead	JJ
cord-252871-qfrpuy3t	212	7	:	:	:
cord-252871-qfrpuy3t	212	8	the	the	DT
cord-252871-qfrpuy3t	212	9	nature	nature	NN
cord-252871-qfrpuy3t	212	10	of	of	IN
cord-252871-qfrpuy3t	212	11	filtrable	filtrable	JJ
cord-252871-qfrpuy3t	212	12	viruses	virus	NNS
cord-252871-qfrpuy3t	213	1	The	the	DT
cord-252871-qfrpuy3t	213	2	origin	origin	NN
cord-252871-qfrpuy3t	213	3	and	and	CC
cord-252871-qfrpuy3t	213	4	evolution	evolution	NN
cord-252871-qfrpuy3t	213	5	of	of	IN
cord-252871-qfrpuy3t	213	6	viruses	virus	NNS
cord-252871-qfrpuy3t	213	7	as	as	IN
cord-252871-qfrpuy3t	213	8	molecular	molecular	JJ
cord-252871-qfrpuy3t	213	9	organisms	organism	NNS
cord-252871-qfrpuy3t	213	10	Principles	principle	NNS
cord-252871-qfrpuy3t	213	11	of	of	IN
cord-252871-qfrpuy3t	213	12	classification	classification	NN
cord-252871-qfrpuy3t	213	13	and	and	CC
cord-252871-qfrpuy3t	213	14	nomenclature	nomenclature	NN
cord-252871-qfrpuy3t	213	15	of	of	IN
cord-252871-qfrpuy3t	213	16	viruses	virus	NNS
cord-252871-qfrpuy3t	213	17	Manipulation	manipulation	NN
cord-252871-qfrpuy3t	213	18	of	of	IN
cord-252871-qfrpuy3t	213	19	cellular	cellular	JJ
cord-252871-qfrpuy3t	213	20	syntheses	synthesis	NNS
cord-252871-qfrpuy3t	213	21	and	and	CC
cord-252871-qfrpuy3t	213	22	the	the	DT
cord-252871-qfrpuy3t	213	23	nature	nature	NN
cord-252871-qfrpuy3t	213	24	of	of	IN
cord-252871-qfrpuy3t	213	25	viruses	virus	NNS
cord-252871-qfrpuy3t	214	1	:	:	:
cord-252871-qfrpuy3t	214	2	The	the	DT
cord-252871-qfrpuy3t	214	3	virocell	virocell	JJ
cord-252871-qfrpuy3t	214	4	concept	concept	NN
cord-252871-qfrpuy3t	214	5	Ultrastructural	ultrastructural	JJ
cord-252871-qfrpuy3t	214	6	characterization	characterization	NN
cord-252871-qfrpuy3t	214	7	of	of	IN
cord-252871-qfrpuy3t	214	8	the	the	DT
cord-252871-qfrpuy3t	214	9	giant	giant	JJ
cord-252871-qfrpuy3t	214	10	volcano	volcano	NN
cord-252871-qfrpuy3t	214	11	-	-	HYPH
cord-252871-qfrpuy3t	214	12	like	like	JJ
cord-252871-qfrpuy3t	214	13	virus	virus	NN
cord-252871-qfrpuy3t	214	14	factory	factory	NN
cord-252871-qfrpuy3t	214	15	of	of	IN
cord-252871-qfrpuy3t	214	16	Acanthamoeba	Acanthamoeba	NNP
cord-252871-qfrpuy3t	214	17	polyphaga	polyphaga	NNP
cord-252871-qfrpuy3t	214	18	Mimivirus	Mimivirus	NNP
cord-252871-qfrpuy3t	215	1	The	the	DT
cord-252871-qfrpuy3t	215	2	concept	concept	NN
cord-252871-qfrpuy3t	215	3	of	of	IN
cord-252871-qfrpuy3t	215	4	virus	virus	NN
cord-252871-qfrpuy3t	215	5	Viruses	virus	NNS
cord-252871-qfrpuy3t	215	6	and	and	CC
cord-252871-qfrpuy3t	215	7	genes	gene	NNS
cord-252871-qfrpuy3t	215	8	Redefining	redefine	VBG
cord-252871-qfrpuy3t	215	9	viruses	virus	NNS
cord-252871-qfrpuy3t	215	10	:	:	:
cord-252871-qfrpuy3t	215	11	lessons	lesson	NNS
cord-252871-qfrpuy3t	215	12	from	from	IN
cord-252871-qfrpuy3t	215	13	Mimivirus	Mimivirus	NNP
cord-252871-qfrpuy3t	216	1	The	the	DT
cord-252871-qfrpuy3t	216	2	1.2-megabase	1.2-megabase	CD
cord-252871-qfrpuy3t	216	3	genome	genome	NN
cord-252871-qfrpuy3t	216	4	sequence	sequence	NN
cord-252871-qfrpuy3t	216	5	of	of	IN
cord-252871-qfrpuy3t	216	6	Mimivirus	Mimivirus	NNP
cord-252871-qfrpuy3t	216	7	Pandoraviruses	Pandoraviruses	NNP
cord-252871-qfrpuy3t	216	8	:	:	:
cord-252871-qfrpuy3t	216	9	amoeba	amoeba	NN
cord-252871-qfrpuy3t	216	10	viruses	virus	NNS
cord-252871-qfrpuy3t	216	11	with	with	IN
cord-252871-qfrpuy3t	216	12	genomes	genome	NNS
cord-252871-qfrpuy3t	216	13	up	up	IN
cord-252871-qfrpuy3t	216	14	to	to	IN
cord-252871-qfrpuy3t	216	15	2.5	2.5	CD
cord-252871-qfrpuy3t	216	16	Mb	Mb	NNS
cord-252871-qfrpuy3t	216	17	reaching	reach	VBG
cord-252871-qfrpuy3t	216	18	that	that	DT
cord-252871-qfrpuy3t	216	19	of	of	IN
cord-252871-qfrpuy3t	216	20	parasitic	parasitic	JJ
cord-252871-qfrpuy3t	216	21	eukaryotes	eukaryote	NNS
cord-252871-qfrpuy3t	217	1	In	in	IN
cord-252871-qfrpuy3t	217	2	-	-	HYPH
cord-252871-qfrpuy3t	217	3	depth	depth	NN
cord-252871-qfrpuy3t	217	4	study	study	NN
cord-252871-qfrpuy3t	217	5	of	of	IN
cord-252871-qfrpuy3t	217	6	Mollivirus	Mollivirus	NNP
cord-252871-qfrpuy3t	217	7	sibericum	sibericum	NNP
cord-252871-qfrpuy3t	217	8	,	,	,
cord-252871-qfrpuy3t	217	9	a	a	DT
cord-252871-qfrpuy3t	217	10	new	new	JJ
cord-252871-qfrpuy3t	217	11	30,000-y	30,000-y	CD
cord-252871-qfrpuy3t	217	12	-	-	HYPH
cord-252871-qfrpuy3t	217	13	old	old	JJ
cord-252871-qfrpuy3t	217	14	giant	giant	JJ
cord-252871-qfrpuy3t	217	15	virus	virus	NN
cord-252871-qfrpuy3t	217	16	infecting	infect	VBG
cord-252871-qfrpuy3t	217	17	Acanthamoeba	Acanthamoeba	NNP
cord-252871-qfrpuy3t	217	18	Complete	Complete	NNP
cord-252871-qfrpuy3t	217	19	genome	genome	NN
cord-252871-qfrpuy3t	217	20	sequence	sequence	NN
cord-252871-qfrpuy3t	217	21	of	of	IN
cord-252871-qfrpuy3t	217	22	'	'	''
cord-252871-qfrpuy3t	217	23	Candidatus	Candidatus	NNP
cord-252871-qfrpuy3t	217	24	Tremblaya	Tremblaya	NNP
cord-252871-qfrpuy3t	217	25	princeps	princeps	NN
cord-252871-qfrpuy3t	217	26	'	'	''
cord-252871-qfrpuy3t	217	27	strain	strain	NN
cord-252871-qfrpuy3t	217	28	PCVAL	PCVAL	NNP
cord-252871-qfrpuy3t	217	29	,	,	,
cord-252871-qfrpuy3t	217	30	an	an	DT
cord-252871-qfrpuy3t	217	31	intriguing	intriguing	JJ
cord-252871-qfrpuy3t	217	32	translational	translational	JJ
cord-252871-qfrpuy3t	217	33	machine	machine	NN
cord-252871-qfrpuy3t	217	34	below	below	IN
cord-252871-qfrpuy3t	217	35	the	the	DT
cord-252871-qfrpuy3t	217	36	living	living	NN
cord-252871-qfrpuy3t	217	37	-	-	HYPH
cord-252871-qfrpuy3t	217	38	cell	cell	NN
cord-252871-qfrpuy3t	217	39	status	status	NN
cord-252871-qfrpuy3t	218	1	Diverse	diverse	JJ
cord-252871-qfrpuy3t	218	2	uncultivated	uncultivated	JJ
cord-252871-qfrpuy3t	218	3	ultra	ultra	JJ
cord-252871-qfrpuy3t	218	4	-	-	JJ
cord-252871-qfrpuy3t	218	5	small	small	JJ
cord-252871-qfrpuy3t	218	6	bacterial	bacterial	JJ
cord-252871-qfrpuy3t	218	7	cells	cell	NNS
cord-252871-qfrpuy3t	218	8	in	in	IN
cord-252871-qfrpuy3t	218	9	groundwater	groundwater	NN
cord-252871-qfrpuy3t	218	10	Chlamydial	chlamydial	JJ
cord-252871-qfrpuy3t	218	11	metabolism	metabolism	NN
cord-252871-qfrpuy3t	218	12	revisited	revisit	VBD
cord-252871-qfrpuy3t	218	13	:	:	:
cord-252871-qfrpuy3t	218	14	Interspecies	interspecies	JJ
cord-252871-qfrpuy3t	218	15	metabolic	metabolic	JJ
cord-252871-qfrpuy3t	218	16	variability	variability	NN
cord-252871-qfrpuy3t	218	17	and	and	CC
cord-252871-qfrpuy3t	218	18	developmental	developmental	JJ
cord-252871-qfrpuy3t	218	19	stagespecific	stagespecific	JJ
cord-252871-qfrpuy3t	218	20	physiologic	physiologic	JJ
cord-252871-qfrpuy3t	218	21	activities	activity	NNS
cord-252871-qfrpuy3t	219	1	Hadaka	Hadaka	NNP
cord-252871-qfrpuy3t	219	2	virus	virus	NN
cord-252871-qfrpuy3t	219	3	1	1	CD
cord-252871-qfrpuy3t	219	4	:	:	:
cord-252871-qfrpuy3t	219	5	a	a	DT
cord-252871-qfrpuy3t	219	6	capsidless	capsidless	NN
cord-252871-qfrpuy3t	219	7	elevensegmented	elevensegmente	VBN
cord-252871-qfrpuy3t	219	8	positive	positive	JJ
cord-252871-qfrpuy3t	219	9	-	-	HYPH
cord-252871-qfrpuy3t	219	10	sense	sense	NN
cord-252871-qfrpuy3t	219	11	single	single	JJ
cord-252871-qfrpuy3t	219	12	-	-	HYPH
cord-252871-qfrpuy3t	219	13	stranded	strand	VBN
cord-252871-qfrpuy3t	219	14	RNA	RNA	NNP
cord-252871-qfrpuy3t	219	15	virus	virus	NN
cord-252871-qfrpuy3t	219	16	from	from	IN
cord-252871-qfrpuy3t	219	17	a	a	DT
cord-252871-qfrpuy3t	219	18	phytopathogenic	phytopathogenic	JJ
cord-252871-qfrpuy3t	219	19	fungus	fungus	NN
cord-252871-qfrpuy3t	219	20	Polydnaviruses	polydnaviruse	NNS
cord-252871-qfrpuy3t	219	21	of	of	IN
cord-252871-qfrpuy3t	219	22	parasitic	parasitic	JJ
cord-252871-qfrpuy3t	219	23	wasps	wasp	NNS
cord-252871-qfrpuy3t	219	24	:	:	:
cord-252871-qfrpuy3t	220	1	domestication	domestication	NN
cord-252871-qfrpuy3t	220	2	of	of	IN
cord-252871-qfrpuy3t	220	3	viruses	virus	NNS
cord-252871-qfrpuy3t	220	4	to	to	TO
cord-252871-qfrpuy3t	220	5	act	act	VB
cord-252871-qfrpuy3t	220	6	as	as	IN
cord-252871-qfrpuy3t	220	7	gene	gene	NN
cord-252871-qfrpuy3t	220	8	delivery	delivery	NN
cord-252871-qfrpuy3t	220	9	vectors	vector	VBZ
cord-252871-qfrpuy3t	220	10	Unusual	unusual	JJ
cord-252871-qfrpuy3t	220	11	viral	viral	JJ
cord-252871-qfrpuy3t	220	12	genomes	genome	NNS
cord-252871-qfrpuy3t	220	13	:	:	:
cord-252871-qfrpuy3t	220	14	Mimivirus	Mimivirus	NNP
cord-252871-qfrpuy3t	220	15	and	and	CC
cord-252871-qfrpuy3t	220	16	the	the	DT
cord-252871-qfrpuy3t	220	17	polydnaviruses	polydnaviruse	NNS
cord-252871-qfrpuy3t	221	1	Extracellular	extracellular	JJ
cord-252871-qfrpuy3t	221	2	membrane	membrane	NN
cord-252871-qfrpuy3t	221	3	vesicles	vesicle	NNS
cord-252871-qfrpuy3t	221	4	in	in	IN
cord-252871-qfrpuy3t	221	5	the	the	DT
cord-252871-qfrpuy3t	221	6	three	three	CD
cord-252871-qfrpuy3t	221	7	domains	domain	NNS
cord-252871-qfrpuy3t	221	8	of	of	IN
cord-252871-qfrpuy3t	221	9	life	life	NN
cord-252871-qfrpuy3t	221	10	and	and	CC
cord-252871-qfrpuy3t	221	11	beyond	beyond	IN
cord-252871-qfrpuy3t	221	12	Vesiduction	Vesiduction	NNP
cord-252871-qfrpuy3t	221	13	:	:	:
cord-252871-qfrpuy3t	221	14	the	the	DT
cord-252871-qfrpuy3t	221	15	fourth	fourth	JJ
cord-252871-qfrpuy3t	221	16	way	way	NN
cord-252871-qfrpuy3t	221	17	of	of	IN
cord-252871-qfrpuy3t	221	18	HGT	HGT	NNP
cord-252871-qfrpuy3t	221	19	Structural	structural	JJ
cord-252871-qfrpuy3t	221	20	basis	basis	NN
cord-252871-qfrpuy3t	221	21	of	of	IN
cord-252871-qfrpuy3t	221	22	enzyme	enzyme	NN
cord-252871-qfrpuy3t	221	23	encapsulation	encapsulation	NN
cord-252871-qfrpuy3t	221	24	into	into	IN
cord-252871-qfrpuy3t	221	25	a	a	DT
cord-252871-qfrpuy3t	221	26	bacterial	bacterial	JJ
cord-252871-qfrpuy3t	221	27	nanocompartment	nanocompartment	NN
cord-252871-qfrpuy3t	221	28	Multiple	multiple	JJ
cord-252871-qfrpuy3t	221	29	origins	origin	NNS
cord-252871-qfrpuy3t	221	30	of	of	IN
cord-252871-qfrpuy3t	221	31	viral	viral	JJ
cord-252871-qfrpuy3t	221	32	capsid	capsid	NN
cord-252871-qfrpuy3t	221	33	proteins	protein	NNS
cord-252871-qfrpuy3t	221	34	from	from	IN
cord-252871-qfrpuy3t	221	35	cellular	cellular	JJ
cord-252871-qfrpuy3t	221	36	ancestors	ancestor	NNS
cord-252871-qfrpuy3t	221	37	Identification	Identification	NNP
cord-252871-qfrpuy3t	221	38	of	of	IN
cord-252871-qfrpuy3t	221	39	capsid	capsid	NN
cord-252871-qfrpuy3t	221	40	/	/	SYM
cord-252871-qfrpuy3t	221	41	coat	coat	NN
cord-252871-qfrpuy3t	221	42	related	relate	VBD
cord-252871-qfrpuy3t	221	43	protein	protein	NN
cord-252871-qfrpuy3t	221	44	folds	fold	NNS
cord-252871-qfrpuy3t	221	45	and	and	CC
cord-252871-qfrpuy3t	221	46	their	-PRON-	PRP$
cord-252871-qfrpuy3t	221	47	utility	utility	NN
cord-252871-qfrpuy3t	221	48	for	for	IN
cord-252871-qfrpuy3t	221	49	virus	virus	NN
cord-252871-qfrpuy3t	221	50	classification	classification	NN
cord-252871-qfrpuy3t	221	51	Untangling	untangle	VBG
cord-252871-qfrpuy3t	221	52	the	the	DT
cord-252871-qfrpuy3t	221	53	origin	origin	NN
cord-252871-qfrpuy3t	221	54	of	of	IN
cord-252871-qfrpuy3t	221	55	viruses	virus	NNS
cord-252871-qfrpuy3t	221	56	and	and	CC
cord-252871-qfrpuy3t	221	57	their	-PRON-	PRP$
cord-252871-qfrpuy3t	221	58	impact	impact	NN
cord-252871-qfrpuy3t	221	59	on	on	IN
cord-252871-qfrpuy3t	221	60	cellular	cellular	JJ
cord-252871-qfrpuy3t	221	61	evolution	evolution	NN
cord-252871-qfrpuy3t	222	1	The	the	DT
cord-252871-qfrpuy3t	222	2	virophage	virophage	NN
cord-252871-qfrpuy3t	222	3	as	as	IN
cord-252871-qfrpuy3t	222	4	a	a	DT
cord-252871-qfrpuy3t	222	5	unique	unique	JJ
cord-252871-qfrpuy3t	222	6	parasite	parasite	NN
cord-252871-qfrpuy3t	222	7	of	of	IN
cord-252871-qfrpuy3t	222	8	the	the	DT
cord-252871-qfrpuy3t	222	9	giant	giant	JJ
cord-252871-qfrpuy3t	222	10	mimivirus	mimivirus	NNP
cord-252871-qfrpuy3t	222	11	Mimivirus	Mimivirus	NNP
cord-252871-qfrpuy3t	222	12	and	and	CC
cord-252871-qfrpuy3t	222	13	its	-PRON-	PRP$
cord-252871-qfrpuy3t	222	14	virophage	virophage	NN
cord-252871-qfrpuy3t	223	1	The	the	DT
cord-252871-qfrpuy3t	223	2	two	two	CD
cord-252871-qfrpuy3t	223	3	ages	age	NNS
cord-252871-qfrpuy3t	223	4	of	of	IN
cord-252871-qfrpuy3t	223	5	the	the	DT
cord-252871-qfrpuy3t	223	6	RNA	RNA	NNP
cord-252871-qfrpuy3t	223	7	world	world	NN
cord-252871-qfrpuy3t	223	8	,	,	,
cord-252871-qfrpuy3t	223	9	and	and	CC
cord-252871-qfrpuy3t	223	10	the	the	DT
cord-252871-qfrpuy3t	223	11	transition	transition	NN
cord-252871-qfrpuy3t	223	12	to	to	IN
cord-252871-qfrpuy3t	223	13	the	the	DT
cord-252871-qfrpuy3t	223	14	DNA	dna	NN
cord-252871-qfrpuy3t	223	15	world	world	NN
cord-252871-qfrpuy3t	223	16	:	:	:
cord-252871-qfrpuy3t	223	17	a	a	DT
cord-252871-qfrpuy3t	223	18	story	story	NN
cord-252871-qfrpuy3t	223	19	of	of	IN
cord-252871-qfrpuy3t	223	20	viruses	virus	NNS
cord-252871-qfrpuy3t	223	21	and	and	CC
cord-252871-qfrpuy3t	223	22	cells	cell	VBZ
cord-252871-qfrpuy3t	223	23	A	a	DT
cord-252871-qfrpuy3t	223	24	phylogenomic	phylogenomic	JJ
cord-252871-qfrpuy3t	223	25	datadriven	datadriven	NNP
cord-252871-qfrpuy3t	223	26	exploration	exploration	NN
cord-252871-qfrpuy3t	223	27	of	of	IN
cord-252871-qfrpuy3t	223	28	viral	viral	JJ
cord-252871-qfrpuy3t	223	29	origins	origin	NNS
cord-252871-qfrpuy3t	223	30	and	and	CC
cord-252871-qfrpuy3t	223	31	evolution	evolution	NN
cord-252871-qfrpuy3t	223	32	Pandoravirus	Pandoravirus	NNP
cord-252871-qfrpuy3t	223	33	celtis	celtis	NN
cord-252871-qfrpuy3t	223	34	illustrates	illustrate	VBZ
cord-252871-qfrpuy3t	223	35	the	the	DT
cord-252871-qfrpuy3t	223	36	microevolution	microevolution	NN
cord-252871-qfrpuy3t	223	37	processes	process	NNS
cord-252871-qfrpuy3t	223	38	at	at	IN
cord-252871-qfrpuy3t	223	39	work	work	NN
cord-252871-qfrpuy3t	223	40	in	in	IN
cord-252871-qfrpuy3t	223	41	the	the	DT
cord-252871-qfrpuy3t	223	42	giant	giant	JJ
cord-252871-qfrpuy3t	223	43	Pandoraviridae	Pandoraviridae	NNP
cord-252871-qfrpuy3t	223	44	genomes	genome	NNS
cord-252871-qfrpuy3t	223	45	Diversity	diversity	NN
cord-252871-qfrpuy3t	223	46	and	and	CC
cord-252871-qfrpuy3t	223	47	evolution	evolution	NN
cord-252871-qfrpuy3t	223	48	of	of	IN
cord-252871-qfrpuy3t	223	49	the	the	DT
cord-252871-qfrpuy3t	223	50	emerging	emerge	VBG
cord-252871-qfrpuy3t	223	51	Pandoraviridae	Pandoraviridae	NNP
cord-252871-qfrpuy3t	223	52	family	family	NN
cord-252871-qfrpuy3t	223	53	Structure	structure	NN
cord-252871-qfrpuy3t	223	54	unifies	unify	VBZ
cord-252871-qfrpuy3t	223	55	the	the	DT
cord-252871-qfrpuy3t	223	56	viral	viral	JJ
cord-252871-qfrpuy3t	223	57	universe	universe	NN
cord-252871-qfrpuy3t	223	58	Origin	Origin	NNP
cord-252871-qfrpuy3t	223	59	of	of	IN
cord-252871-qfrpuy3t	223	60	viruses	virus	NNS
cord-252871-qfrpuy3t	223	61	:	:	:
cord-252871-qfrpuy3t	223	62	primordial	primordial	JJ
cord-252871-qfrpuy3t	223	63	replicators	replicator	NNS
cord-252871-qfrpuy3t	223	64	recruiting	recruit	VBG
cord-252871-qfrpuy3t	223	65	capsids	capsid	NNS
cord-252871-qfrpuy3t	223	66	from	from	IN
cord-252871-qfrpuy3t	223	67	hosts	host	NNS
cord-252871-qfrpuy3t	223	68	Evolution	Evolution	NNP
cord-252871-qfrpuy3t	223	69	of	of	IN
cord-252871-qfrpuy3t	223	70	the	the	DT
cord-252871-qfrpuy3t	223	71	large	large	JJ
cord-252871-qfrpuy3t	223	72	nucleocytoplasmic	nucleocytoplasmic	JJ
cord-252871-qfrpuy3t	223	73	DNA	dna	NN
cord-252871-qfrpuy3t	223	74	viruses	virus	NNS
cord-252871-qfrpuy3t	223	75	of	of	IN
cord-252871-qfrpuy3t	223	76	eukaryotes	eukaryote	NNS
cord-252871-qfrpuy3t	223	77	and	and	CC
cord-252871-qfrpuy3t	223	78	convergent	convergent	JJ
cord-252871-qfrpuy3t	223	79	origins	origin	NNS
cord-252871-qfrpuy3t	223	80	of	of	IN
cord-252871-qfrpuy3t	223	81	viral	viral	JJ
cord-252871-qfrpuy3t	223	82	gigantism	gigantism	NN
cord-252871-qfrpuy3t	223	83	Extreme	extreme	JJ
cord-252871-qfrpuy3t	223	84	genome	genome	NN
cord-252871-qfrpuy3t	223	85	reduction	reduction	NN
cord-252871-qfrpuy3t	223	86	in	in	IN
cord-252871-qfrpuy3t	223	87	symbiotic	symbiotic	JJ
cord-252871-qfrpuy3t	223	88	bacteria	bacteria	NNS
cord-252871-qfrpuy3t	223	89	Yaravirus	Yaravirus	NNP
cord-252871-qfrpuy3t	223	90	:	:	:
cord-252871-qfrpuy3t	224	1	A	a	DT
cord-252871-qfrpuy3t	224	2	novel	novel	JJ
cord-252871-qfrpuy3t	224	3	80-nm	80-nm	CD
cord-252871-qfrpuy3t	224	4	virus	virus	NN
cord-252871-qfrpuy3t	224	5	infecting	infect	VBG
cord-252871-qfrpuy3t	224	6	Acanthamoeba	Acanthamoeba	NNP
cord-252871-qfrpuy3t	224	7	castellanii	castellanii	NNP
cord-252871-qfrpuy3t	224	8	Evolution	evolution	NN
cord-252871-qfrpuy3t	224	9	of	of	IN
cord-252871-qfrpuy3t	224	10	viruses	virus	NNS
cord-252871-qfrpuy3t	224	11	and	and	CC
cord-252871-qfrpuy3t	224	12	cells	cell	NNS
cord-252871-qfrpuy3t	225	1	:	:	:
cord-252871-qfrpuy3t	225	2	do	do	VBP
cord-252871-qfrpuy3t	225	3	we	-PRON-	PRP
cord-252871-qfrpuy3t	225	4	need	need	VB
cord-252871-qfrpuy3t	225	5	a	a	DT
cord-252871-qfrpuy3t	225	6	fourth	fourth	JJ
cord-252871-qfrpuy3t	225	7	domain	domain	NN
cord-252871-qfrpuy3t	225	8	of	of	IN
cord-252871-qfrpuy3t	225	9	life	life	NN
cord-252871-qfrpuy3t	225	10	to	to	TO
cord-252871-qfrpuy3t	225	11	explain	explain	VB
cord-252871-qfrpuy3t	225	12	the	the	DT
cord-252871-qfrpuy3t	225	13	origin	origin	NN
cord-252871-qfrpuy3t	225	14	of	of	IN
cord-252871-qfrpuy3t	225	15	eukaryotes	eukaryote	NNS
cord-252871-qfrpuy3t	225	16	?	?	.
cord-252871-qfrpuy3t	226	1	The	the	DT
cord-252871-qfrpuy3t	226	2	tree	tree	NN
cord-252871-qfrpuy3t	226	3	of	of	IN
cord-252871-qfrpuy3t	226	4	one	one	CD
cord-252871-qfrpuy3t	226	5	percent	percent	NN
cord-252871-qfrpuy3t	226	6	Giant	Giant	NNP
cord-252871-qfrpuy3t	226	7	viruses	virus	NNS
cord-252871-qfrpuy3t	226	8	coexisted	coexist	VBD
cord-252871-qfrpuy3t	226	9	with	with	IN
cord-252871-qfrpuy3t	226	10	the	the	DT
cord-252871-qfrpuy3t	226	11	cellular	cellular	JJ
cord-252871-qfrpuy3t	226	12	ancestors	ancestor	NNS
cord-252871-qfrpuy3t	226	13	and	and	CC
cord-252871-qfrpuy3t	226	14	represent	represent	VBP
cord-252871-qfrpuy3t	226	15	a	a	DT
cord-252871-qfrpuy3t	226	16	distinct	distinct	JJ
cord-252871-qfrpuy3t	226	17	supergroup	supergroup	NN
cord-252871-qfrpuy3t	226	18	along	along	IN
cord-252871-qfrpuy3t	226	19	with	with	IN
cord-252871-qfrpuy3t	226	20	superkingdoms	superkingdoms	NNP
cord-252871-qfrpuy3t	226	21	Archaea	Archaea	NNP
cord-252871-qfrpuy3t	226	22	,	,	,
cord-252871-qfrpuy3t	226	23	Bacteria	Bacteria	NNPS
cord-252871-qfrpuy3t	226	24	and	and	CC
cord-252871-qfrpuy3t	226	25	Eukarya	Eukarya	NNP
cord-252871-qfrpuy3t	226	26	Mimivirus	Mimivirus	NNP
cord-252871-qfrpuy3t	226	27	and	and	CC
cord-252871-qfrpuy3t	226	28	the	the	DT
cord-252871-qfrpuy3t	226	29	emerging	emerge	VBG
cord-252871-qfrpuy3t	226	30	concept	concept	NN
cord-252871-qfrpuy3t	226	31	of	of	IN
cord-252871-qfrpuy3t	226	32	'	'	``
cord-252871-qfrpuy3t	226	33	giant	giant	JJ
cord-252871-qfrpuy3t	226	34	'	'	''
cord-252871-qfrpuy3t	226	35	virus	virus	NN
cord-252871-qfrpuy3t	226	36	Endogenous	endogenous	JJ
cord-252871-qfrpuy3t	226	37	viruses	virus	NNS
cord-252871-qfrpuy3t	226	38	:	:	:
cord-252871-qfrpuy3t	227	1	insights	insight	NNS
cord-252871-qfrpuy3t	227	2	into	into	IN
cord-252871-qfrpuy3t	227	3	viral	viral	JJ
cord-252871-qfrpuy3t	227	4	evolution	evolution	NN
cord-252871-qfrpuy3t	227	5	and	and	CC
cord-252871-qfrpuy3t	227	6	impact	impact	NN
cord-252871-qfrpuy3t	227	7	on	on	IN
cord-252871-qfrpuy3t	227	8	host	host	NN
cord-252871-qfrpuy3t	227	9	biology	biology	NN
cord-252871-qfrpuy3t	227	10	Defining	define	VBG
cord-252871-qfrpuy3t	227	11	life	life	NN
cord-252871-qfrpuy3t	227	12	:	:	:
cord-252871-qfrpuy3t	227	13	The	the	DT
cord-252871-qfrpuy3t	227	14	virus	virus	NN
cord-252871-qfrpuy3t	227	15	viewpoint	viewpoint	NN
cord-252871-qfrpuy3t	227	16	Assembly	assembly	NN
cord-252871-qfrpuy3t	227	17	of	of	IN
cord-252871-qfrpuy3t	227	18	a	a	DT
cord-252871-qfrpuy3t	227	19	nucleus	nucleus	NN
cord-252871-qfrpuy3t	227	20	-	-	HYPH
cord-252871-qfrpuy3t	227	21	like	like	JJ
cord-252871-qfrpuy3t	227	22	structure	structure	NN
cord-252871-qfrpuy3t	227	23	during	during	IN
cord-252871-qfrpuy3t	227	24	viral	viral	JJ
cord-252871-qfrpuy3t	227	25	replication	replication	NN
cord-252871-qfrpuy3t	227	26	in	in	IN
cord-252871-qfrpuy3t	227	27	bacteria	bacteria	NNS
cord-252871-qfrpuy3t	227	28	Giant	giant	JJ
cord-252871-qfrpuy3t	227	29	viruses	virus	NNS
cord-252871-qfrpuy3t	227	30	and	and	CC
cord-252871-qfrpuy3t	227	31	the	the	DT
cord-252871-qfrpuy3t	227	32	origin	origin	NN
cord-252871-qfrpuy3t	227	33	of	of	IN
cord-252871-qfrpuy3t	227	34	modern	modern	JJ
cord-252871-qfrpuy3t	227	35	eukaryotes	eukaryote	NNS
cord-252871-qfrpuy3t	228	1	Viral	viral	JJ
cord-252871-qfrpuy3t	228	2	eukaryogenesis	eukaryogenesis	NNP
cord-252871-qfrpuy3t	228	3	:	:	:
cord-252871-qfrpuy3t	228	4	was	be	VBD
cord-252871-qfrpuy3t	228	5	the	the	DT
cord-252871-qfrpuy3t	228	6	ancestor	ancestor	NN
cord-252871-qfrpuy3t	228	7	of	of	IN
cord-252871-qfrpuy3t	228	8	the	the	DT
cord-252871-qfrpuy3t	228	9	nucleus	nucleus	NN
cord-252871-qfrpuy3t	228	10	a	a	DT
cord-252871-qfrpuy3t	228	11	complex	complex	JJ
cord-252871-qfrpuy3t	228	12	DNA	dna	NN
cord-252871-qfrpuy3t	228	13	virus	virus	NN
cord-252871-qfrpuy3t	228	14	?	?	.
cord-252871-qfrpuy3t	229	1	The	the	DT
cord-252871-qfrpuy3t	229	2	primary	primary	JJ
cord-252871-qfrpuy3t	229	3	lines	line	NNS
cord-252871-qfrpuy3t	229	4	of	of	IN
cord-252871-qfrpuy3t	229	5	descent	descent	NN
cord-252871-qfrpuy3t	229	6	and	and	CC
cord-252871-qfrpuy3t	229	7	the	the	DT
cord-252871-qfrpuy3t	229	8	universal	universal	JJ
cord-252871-qfrpuy3t	229	9	ancestor	ancestor	NN
cord-252871-qfrpuy3t	230	1	The	the	DT
cord-252871-qfrpuy3t	230	2	path	path	NN
cord-252871-qfrpuy3t	230	3	from	from	IN
cord-252871-qfrpuy3t	230	4	the	the	DT
cord-252871-qfrpuy3t	230	5	RNA	RNA	NNP
cord-252871-qfrpuy3t	230	6	world	world	NN
cord-252871-qfrpuy3t	230	7	Three	Three	NNP
cord-252871-qfrpuy3t	230	8	RNA	RNA	NNP
cord-252871-qfrpuy3t	230	9	cells	cell	NNS
cord-252871-qfrpuy3t	230	10	for	for	IN
cord-252871-qfrpuy3t	230	11	ribosomal	ribosomal	JJ
cord-252871-qfrpuy3t	230	12	lineages	lineage	NNS
cord-252871-qfrpuy3t	230	13	and	and	CC
cord-252871-qfrpuy3t	230	14	three	three	CD
cord-252871-qfrpuy3t	230	15	DNA	dna	NN
cord-252871-qfrpuy3t	230	16	viruses	virus	NNS
cord-252871-qfrpuy3t	230	17	to	to	TO
cord-252871-qfrpuy3t	230	18	replicate	replicate	VB
cord-252871-qfrpuy3t	230	19	their	-PRON-	PRP$
cord-252871-qfrpuy3t	230	20	genomes	genome	NNS
cord-252871-qfrpuy3t	230	21	:	:	:
cord-252871-qfrpuy3t	230	22	A	a	DT
cord-252871-qfrpuy3t	230	23	hypothesis	hypothesis	NN
cord-252871-qfrpuy3t	230	24	for	for	IN
cord-252871-qfrpuy3t	230	25	the	the	DT
cord-252871-qfrpuy3t	230	26	origin	origin	NN
cord-252871-qfrpuy3t	230	27	of	of	IN
cord-252871-qfrpuy3t	230	28	cellular	cellular	JJ
cord-252871-qfrpuy3t	230	29	domain	domain	NN
cord-252871-qfrpuy3t	230	30	Mimivirus	Mimivirus	NNP
cord-252871-qfrpuy3t	230	31	:	:	:
cord-252871-qfrpuy3t	230	32	The	the	DT
cord-252871-qfrpuy3t	230	33	emerging	emerge	VBG
cord-252871-qfrpuy3t	230	34	paradox	paradox	NN
cord-252871-qfrpuy3t	230	35	of	of	IN
cord-252871-qfrpuy3t	230	36	quasi	quasi	JJ
cord-252871-qfrpuy3t	230	37	-	-	JJ
cord-252871-qfrpuy3t	230	38	autonomous	autonomous	JJ
cord-252871-qfrpuy3t	230	39	viruses	virus	NNS
cord-252871-qfrpuy3t	230	40	Phylogenetic	phylogenetic	JJ
cord-252871-qfrpuy3t	230	41	tree	tree	NN
cord-252871-qfrpuy3t	230	42	building	build	VBG
cord-252871-qfrpuy3t	230	43	in	in	IN
cord-252871-qfrpuy3t	230	44	the	the	DT
cord-252871-qfrpuy3t	230	45	genomic	genomic	JJ
cord-252871-qfrpuy3t	230	46	age	age	NN
cord-252871-qfrpuy3t	230	47	Benefits	benefit	NNS
cord-252871-qfrpuy3t	230	48	of	of	IN
cord-252871-qfrpuy3t	230	49	using	use	VBG
cord-252871-qfrpuy3t	230	50	molecular	molecular	JJ
cord-252871-qfrpuy3t	230	51	structure	structure	NN
cord-252871-qfrpuy3t	230	52	and	and	CC
cord-252871-qfrpuy3t	230	53	abundance	abundance	NN
cord-252871-qfrpuy3t	230	54	in	in	IN
cord-252871-qfrpuy3t	230	55	phylogenomic	phylogenomic	NNP
cord-252871-qfrpuy3t	230	56	analysis	analysis	NN
cord-252871-qfrpuy3t	230	57	Can	Can	MD
cord-252871-qfrpuy3t	230	58	sequence	sequence	VB
cord-252871-qfrpuy3t	230	59	phylogenies	phylogeny	NNS
cord-252871-qfrpuy3t	230	60	safely	safely	RB
cord-252871-qfrpuy3t	230	61	infer	infer	VBP
cord-252871-qfrpuy3t	230	62	the	the	DT
cord-252871-qfrpuy3t	230	63	origin	origin	NN
cord-252871-qfrpuy3t	230	64	of	of	IN
cord-252871-qfrpuy3t	230	65	the	the	DT
cord-252871-qfrpuy3t	230	66	global	global	JJ
cord-252871-qfrpuy3t	230	67	virome	virome	NN
cord-252871-qfrpuy3t	230	68	?	?	.
cord-252871-qfrpuy3t	231	1	mBio	mBio	NNP
cord-252871-qfrpuy3t	231	2	Evolution	evolution	NN
cord-252871-qfrpuy3t	231	3	of	of	IN
cord-252871-qfrpuy3t	231	4	a	a	DT
cord-252871-qfrpuy3t	231	5	major	major	JJ
cord-252871-qfrpuy3t	231	6	virion	virion	NN
cord-252871-qfrpuy3t	231	7	protein	protein	NN
cord-252871-qfrpuy3t	231	8	of	of	IN
cord-252871-qfrpuy3t	231	9	the	the	DT
cord-252871-qfrpuy3t	231	10	giant	giant	JJ
cord-252871-qfrpuy3t	231	11	pandoraviruses	pandoraviruse	NNS
cord-252871-qfrpuy3t	231	12	from	from	IN
cord-252871-qfrpuy3t	231	13	an	an	DT
cord-252871-qfrpuy3t	231	14	inactivated	inactivate	VBN
cord-252871-qfrpuy3t	231	15	bacterial	bacterial	JJ
cord-252871-qfrpuy3t	231	16	glycoside	glycoside	NN
cord-252871-qfrpuy3t	231	17	hydrolase	hydrolase	NN
cord-252871-qfrpuy3t	231	18	Testing	test	VBG
cord-252871-qfrpuy3t	231	19	the	the	DT
cord-252871-qfrpuy3t	231	20	hypothesis	hypothesis	NN
cord-252871-qfrpuy3t	231	21	of	of	IN
cord-252871-qfrpuy3t	231	22	common	common	JJ
cord-252871-qfrpuy3t	231	23	ancestry	ancestry	NN
cord-252871-qfrpuy3t	231	24	Arguments	argument	NNS
cord-252871-qfrpuy3t	231	25	reinforcing	reinforce	VBG
cord-252871-qfrpuy3t	231	26	the	the	DT
cord-252871-qfrpuy3t	231	27	three	three	CD
cord-252871-qfrpuy3t	231	28	-	-	HYPH
cord-252871-qfrpuy3t	231	29	domain	domain	NN
cord-252871-qfrpuy3t	231	30	view	view	NN
cord-252871-qfrpuy3t	231	31	of	of	IN
cord-252871-qfrpuy3t	231	32	diversified	diversified	JJ
cord-252871-qfrpuy3t	231	33	cellular	cellular	JJ
cord-252871-qfrpuy3t	231	34	life	life	NN
cord-252871-qfrpuy3t	231	35	Global	global	JJ
cord-252871-qfrpuy3t	231	36	patterns	pattern	NNS
cord-252871-qfrpuy3t	231	37	of	of	IN
cord-252871-qfrpuy3t	231	38	protein	protein	NN
cord-252871-qfrpuy3t	231	39	domain	domain	NN
cord-252871-qfrpuy3t	231	40	gain	gain	NN
cord-252871-qfrpuy3t	231	41	and	and	CC
cord-252871-qfrpuy3t	231	42	loss	loss	NN
cord-252871-qfrpuy3t	231	43	in	in	IN
cord-252871-qfrpuy3t	231	44	superkingdoms	superkingdoms	NNP
cord-252871-qfrpuy3t	232	1	The	the	DT
cord-252871-qfrpuy3t	232	2	dynamics	dynamic	NNS
cord-252871-qfrpuy3t	232	3	and	and	CC
cord-252871-qfrpuy3t	232	4	evolutionary	evolutionary	JJ
cord-252871-qfrpuy3t	232	5	potential	potential	NN
cord-252871-qfrpuy3t	232	6	of	of	IN
cord-252871-qfrpuy3t	232	7	domain	domain	NN
cord-252871-qfrpuy3t	232	8	loss	loss	NN
cord-252871-qfrpuy3t	232	9	and	and	CC
cord-252871-qfrpuy3t	232	10	emergence	emergence	NN
cord-252871-qfrpuy3t	232	11	Rooting	root	VBG
cord-252871-qfrpuy3t	232	12	phylogenies	phylogeny	NNS
cord-252871-qfrpuy3t	232	13	and	and	CC
cord-252871-qfrpuy3t	232	14	the	the	DT
cord-252871-qfrpuy3t	232	15	tree	tree	NN
cord-252871-qfrpuy3t	232	16	of	of	IN
cord-252871-qfrpuy3t	232	17	life	life	NN
cord-252871-qfrpuy3t	232	18	while	while	IN
cord-252871-qfrpuy3t	232	19	minimizing	minimize	VBG
cord-252871-qfrpuy3t	232	20	ad	ad	FW
cord-252871-qfrpuy3t	232	21	hoc	hoc	FW
cord-252871-qfrpuy3t	232	22	and	and	CC
cord-252871-qfrpuy3t	232	23	auxiliary	auxiliary	JJ
cord-252871-qfrpuy3t	232	24	assumptions	assumption	NNS
cord-252871-qfrpuy3t	232	25	Pitfalls	pitfall	NNS
cord-252871-qfrpuy3t	232	26	in	in	IN
cord-252871-qfrpuy3t	232	27	supermatrix	supermatrix	NNP
cord-252871-qfrpuy3t	232	28	phylogenomics	phylogenomic	NNS
cord-252871-qfrpuy3t	232	29	Viral	Viral	NNP
cord-252871-qfrpuy3t	232	30	mutation	mutation	NN
cord-252871-qfrpuy3t	232	31	rates	rate	NNS
cord-252871-qfrpuy3t	233	1	The	the	DT
cord-252871-qfrpuy3t	233	2	puzzle	puzzle	NN
cord-252871-qfrpuy3t	233	3	of	of	IN
cord-252871-qfrpuy3t	233	4	hiv	hiv	NNP
cord-252871-qfrpuy3t	233	5	neutral	neutral	NNP
cord-252871-qfrpuy3t	233	6	and	and	CC
cord-252871-qfrpuy3t	233	7	selective	selective	JJ
cord-252871-qfrpuy3t	233	8	evolution	evolution	NN
cord-252871-qfrpuy3t	233	9	Structure	structure	NN
cord-252871-qfrpuy3t	233	10	is	be	VBZ
cord-252871-qfrpuy3t	233	11	three	three	CD
cord-252871-qfrpuy3t	233	12	to	to	TO
cord-252871-qfrpuy3t	233	13	ten	ten	CD
cord-252871-qfrpuy3t	233	14	times	time	NNS
cord-252871-qfrpuy3t	233	15	more	more	RBR
cord-252871-qfrpuy3t	233	16	conserved	conserved	JJ
cord-252871-qfrpuy3t	233	17	than	than	IN
cord-252871-qfrpuy3t	233	18	sequence	sequence	NN
cord-252871-qfrpuy3t	233	19	-	-	:
cord-252871-qfrpuy3t	233	20	a	a	DT
cord-252871-qfrpuy3t	233	21	study	study	NN
cord-252871-qfrpuy3t	233	22	of	of	IN
cord-252871-qfrpuy3t	233	23	structural	structural	JJ
cord-252871-qfrpuy3t	233	24	response	response	NN
cord-252871-qfrpuy3t	233	25	in	in	IN
cord-252871-qfrpuy3t	233	26	protein	protein	NN
cord-252871-qfrpuy3t	233	27	cores	core	NNS
cord-252871-qfrpuy3t	233	28	Evolution	Evolution	NNP
cord-252871-qfrpuy3t	233	29	of	of	IN
cord-252871-qfrpuy3t	233	30	the	the	DT
cord-252871-qfrpuy3t	233	31	protein	protein	NN
cord-252871-qfrpuy3t	233	32	repertoire	repertoire	NN
cord-252871-qfrpuy3t	234	1	Comparing	compare	VBG
cord-252871-qfrpuy3t	234	2	genomes	genome	NNS
cord-252871-qfrpuy3t	234	3	in	in	IN
cord-252871-qfrpuy3t	234	4	terms	term	NNS
cord-252871-qfrpuy3t	234	5	of	of	IN
cord-252871-qfrpuy3t	234	6	protein	protein	NN
cord-252871-qfrpuy3t	234	7	structure	structure	NN
cord-252871-qfrpuy3t	234	8	:	:	:
cord-252871-qfrpuy3t	234	9	Surveys	survey	NNS
cord-252871-qfrpuy3t	234	10	of	of	IN
cord-252871-qfrpuy3t	234	11	a	a	DT
cord-252871-qfrpuy3t	234	12	finite	finite	JJ
cord-252871-qfrpuy3t	234	13	parts	part	NNS
cord-252871-qfrpuy3t	234	14	list	list	NN
cord-252871-qfrpuy3t	234	15	RCSB	RCSB	NNP
cord-252871-qfrpuy3t	234	16	Protein	Protein	NNP
cord-252871-qfrpuy3t	234	17	Data	Data	NNP
cord-252871-qfrpuy3t	234	18	Bank	Bank	NNP
cord-252871-qfrpuy3t	234	19	:	:	:
cord-252871-qfrpuy3t	234	20	Biological	biological	JJ
cord-252871-qfrpuy3t	234	21	macromolecular	macromolecular	JJ
cord-252871-qfrpuy3t	234	22	structures	structure	NNS
cord-252871-qfrpuy3t	234	23	enabling	enable	VBG
cord-252871-qfrpuy3t	234	24	research	research	NN
cord-252871-qfrpuy3t	234	25	and	and	CC
cord-252871-qfrpuy3t	234	26	education	education	NN
cord-252871-qfrpuy3t	234	27	in	in	IN
cord-252871-qfrpuy3t	234	28	fundamental	fundamental	JJ
cord-252871-qfrpuy3t	234	29	biology	biology	NN
cord-252871-qfrpuy3t	234	30	,	,	,
cord-252871-qfrpuy3t	234	31	biomedicine	biomedicine	NN
cord-252871-qfrpuy3t	234	32	,	,	,
cord-252871-qfrpuy3t	234	33	biotechnology	biotechnology	NN
cord-252871-qfrpuy3t	234	34	and	and	CC
cord-252871-qfrpuy3t	234	35	energy	energy	NN
cord-252871-qfrpuy3t	235	1	The	the	DT
cord-252871-qfrpuy3t	235	2	SCOP	SCOP	NNP
cord-252871-qfrpuy3t	235	3	database	database	NN
cord-252871-qfrpuy3t	235	4	in	in	IN
cord-252871-qfrpuy3t	235	5	2020	2020	CD
cord-252871-qfrpuy3t	235	6	:	:	:
cord-252871-qfrpuy3t	235	7	expanded	expand	VBN
cord-252871-qfrpuy3t	235	8	classification	classification	NN
cord-252871-qfrpuy3t	235	9	of	of	IN
cord-252871-qfrpuy3t	235	10	representative	representative	JJ
cord-252871-qfrpuy3t	235	11	family	family	NN
cord-252871-qfrpuy3t	235	12	and	and	CC
cord-252871-qfrpuy3t	235	13	superfamily	superfamily	NN
cord-252871-qfrpuy3t	235	14	domains	domain	NNS
cord-252871-qfrpuy3t	235	15	of	of	IN
cord-252871-qfrpuy3t	235	16	known	know	VBN
cord-252871-qfrpuy3t	235	17	protein	protein	NN
cord-252871-qfrpuy3t	235	18	structures	structure	NNS
cord-252871-qfrpuy3t	236	1	The	the	DT
cord-252871-qfrpuy3t	236	2	origin	origin	NN
cord-252871-qfrpuy3t	236	3	,	,	,
cord-252871-qfrpuy3t	236	4	evolution	evolution	NN
cord-252871-qfrpuy3t	236	5	and	and	CC
cord-252871-qfrpuy3t	236	6	structure	structure	NN
cord-252871-qfrpuy3t	236	7	of	of	IN
cord-252871-qfrpuy3t	236	8	the	the	DT
cord-252871-qfrpuy3t	236	9	protein	protein	NN
cord-252871-qfrpuy3t	236	10	world	world	NN
cord-252871-qfrpuy3t	237	1	The	the	DT
cord-252871-qfrpuy3t	237	2	origin	origin	NN
cord-252871-qfrpuy3t	237	3	and	and	CC
cord-252871-qfrpuy3t	237	4	evolution	evolution	NN
cord-252871-qfrpuy3t	237	5	of	of	IN
cord-252871-qfrpuy3t	237	6	viruses	virus	NNS
cord-252871-qfrpuy3t	237	7	inferred	infer	VBN
cord-252871-qfrpuy3t	237	8	from	from	IN
cord-252871-qfrpuy3t	237	9	fold	fold	VB
cord-252871-qfrpuy3t	237	10	family	family	NN
cord-252871-qfrpuy3t	237	11	structure	structure	NN
cord-252871-qfrpuy3t	237	12	Bacterial	bacterial	JJ
cord-252871-qfrpuy3t	237	13	origin	origin	NN
cord-252871-qfrpuy3t	237	14	and	and	CC
cord-252871-qfrpuy3t	237	15	reductive	reductive	JJ
cord-252871-qfrpuy3t	237	16	evolution	evolution	NN
cord-252871-qfrpuy3t	237	17	of	of	IN
cord-252871-qfrpuy3t	237	18	the	the	DT
cord-252871-qfrpuy3t	237	19	CPR	CPR	NNP
cord-252871-qfrpuy3t	237	20	group	group	NN
cord-252871-qfrpuy3t	237	21	Viral	Viral	NNP
cord-252871-qfrpuy3t	237	22	evolution	evolution	NN
cord-252871-qfrpuy3t	237	23	Primordial	primordial	JJ
cord-252871-qfrpuy3t	237	24	cellular	cellular	JJ
cord-252871-qfrpuy3t	237	25	origins	origin	NNS
cord-252871-qfrpuy3t	237	26	and	and	CC
cord-252871-qfrpuy3t	237	27	late	late	JJ
cord-252871-qfrpuy3t	237	28	adaptation	adaptation	NN
cord-252871-qfrpuy3t	237	29	to	to	IN
cord-252871-qfrpuy3t	237	30	parasitism	parasitism	NN
cord-252871-qfrpuy3t	237	31	Long	long	JJ
cord-252871-qfrpuy3t	237	32	-	-	HYPH
cord-252871-qfrpuy3t	237	33	term	term	NN
cord-252871-qfrpuy3t	237	34	evolution	evolution	NN
cord-252871-qfrpuy3t	237	35	of	of	IN
cord-252871-qfrpuy3t	237	36	viruses	virus	NNS
cord-252871-qfrpuy3t	237	37	:	:	:
cord-252871-qfrpuy3t	237	38	A	a	DT
cord-252871-qfrpuy3t	237	39	Janusfaced	Janusfaced	NNP
cord-252871-qfrpuy3t	237	40	balance	balance	NN
cord-252871-qfrpuy3t	237	41	A	a	DT
cord-252871-qfrpuy3t	237	42	giant	giant	JJ
cord-252871-qfrpuy3t	237	43	virus	virus	NN
cord-252871-qfrpuy3t	237	44	in	in	IN
cord-252871-qfrpuy3t	237	45	amoebae	amoebae	DT
cord-252871-qfrpuy3t	237	46	Phylogenetic	phylogenetic	JJ
cord-252871-qfrpuy3t	237	47	structure	structure	NN
cord-252871-qfrpuy3t	237	48	of	of	IN
cord-252871-qfrpuy3t	237	49	the	the	DT
cord-252871-qfrpuy3t	237	50	prokaryotic	prokaryotic	JJ
cord-252871-qfrpuy3t	237	51	domain	domain	NN
cord-252871-qfrpuy3t	237	52	:	:	:
cord-252871-qfrpuy3t	237	53	the	the	DT
cord-252871-qfrpuy3t	237	54	primary	primary	JJ
cord-252871-qfrpuy3t	237	55	kingdoms	kingdom	NNS
cord-252871-qfrpuy3t	237	56	Towards	towards	IN
cord-252871-qfrpuy3t	237	57	a	a	DT
cord-252871-qfrpuy3t	237	58	natural	natural	JJ
cord-252871-qfrpuy3t	237	59	system	system	NN
cord-252871-qfrpuy3t	237	60	of	of	IN
cord-252871-qfrpuy3t	237	61	organisms	organism	NNS
cord-252871-qfrpuy3t	237	62	:	:	:
cord-252871-qfrpuy3t	237	63	proposal	proposal	NN
cord-252871-qfrpuy3t	237	64	for	for	IN
cord-252871-qfrpuy3t	237	65	the	the	DT
cord-252871-qfrpuy3t	237	66	domains	domain	NNS
cord-252871-qfrpuy3t	237	67	Archaea	Archaea	NNP
cord-252871-qfrpuy3t	237	68	,	,	,
cord-252871-qfrpuy3t	237	69	Bacteria	Bacteria	NNS
cord-252871-qfrpuy3t	237	70	,	,	,
cord-252871-qfrpuy3t	237	71	and	and	CC
cord-252871-qfrpuy3t	237	72	Eucarya	Eucarya	NNP
cord-252871-qfrpuy3t	237	73	Archaea	Archaea	NNP
cord-252871-qfrpuy3t	237	74	-	-	HYPH
cord-252871-qfrpuy3t	237	75	First	First	NNP
cord-252871-qfrpuy3t	237	76	and	and	CC
cord-252871-qfrpuy3t	237	77	the	the	DT
cord-252871-qfrpuy3t	237	78	co	co	JJ
cord-252871-qfrpuy3t	237	79	-	-	JJ
cord-252871-qfrpuy3t	237	80	evolutionary	evolutionary	JJ
cord-252871-qfrpuy3t	237	81	diversification	diversification	NN
cord-252871-qfrpuy3t	237	82	of	of	IN
cord-252871-qfrpuy3t	237	83	domains	domain	NNS
cord-252871-qfrpuy3t	237	84	of	of	IN
cord-252871-qfrpuy3t	237	85	life	life	NN
cord-252871-qfrpuy3t	238	1	Lokiarchaea	Lokiarchaea	NNP
cord-252871-qfrpuy3t	238	2	are	be	VBP
cord-252871-qfrpuy3t	238	3	close	close	JJ
cord-252871-qfrpuy3t	238	4	relatives	relative	NNS
cord-252871-qfrpuy3t	238	5	of	of	IN
cord-252871-qfrpuy3t	238	6	Euryarchaeota	Euryarchaeota	NNP
cord-252871-qfrpuy3t	238	7	,	,	,
cord-252871-qfrpuy3t	238	8	not	not	RB
cord-252871-qfrpuy3t	238	9	bridging	bridge	VBG
cord-252871-qfrpuy3t	238	10	the	the	DT
cord-252871-qfrpuy3t	238	11	gap	gap	NN
cord-252871-qfrpuy3t	238	12	between	between	IN
cord-252871-qfrpuy3t	238	13	prokaryotes	prokaryote	NNS
cord-252871-qfrpuy3t	238	14	and	and	CC
cord-252871-qfrpuy3t	238	15	eukaryotes	eukaryote	NNS
cord-252871-qfrpuy3t	239	1	Asgard	Asgard	NNP
cord-252871-qfrpuy3t	239	2	archaea	archaea	NNS
cord-252871-qfrpuy3t	239	3	do	do	VBP
cord-252871-qfrpuy3t	239	4	not	not	RB
cord-252871-qfrpuy3t	239	5	close	close	VB
cord-252871-qfrpuy3t	239	6	the	the	DT
cord-252871-qfrpuy3t	239	7	debate	debate	NN
cord-252871-qfrpuy3t	239	8	about	about	IN
cord-252871-qfrpuy3t	239	9	the	the	DT
cord-252871-qfrpuy3t	239	10	universal	universal	JJ
cord-252871-qfrpuy3t	239	11	tree	tree	NN
cord-252871-qfrpuy3t	239	12	of	of	IN
cord-252871-qfrpuy3t	239	13	life	life	NN
cord-252871-qfrpuy3t	239	14	topology	topology	NN
cord-252871-qfrpuy3t	239	15	Asgard	Asgard	NNP
cord-252871-qfrpuy3t	239	16	archaea	archaea	NNS
cord-252871-qfrpuy3t	239	17	illuminate	illuminate	VBP
cord-252871-qfrpuy3t	239	18	the	the	DT
cord-252871-qfrpuy3t	239	19	origin	origin	NN
cord-252871-qfrpuy3t	239	20	of	of	IN
cord-252871-qfrpuy3t	239	21	eukaryotic	eukaryotic	JJ
cord-252871-qfrpuy3t	239	22	cellular	cellular	JJ
cord-252871-qfrpuy3t	239	23	complexity	complexity	NN
cord-252871-qfrpuy3t	239	24	Phylogenomics	Phylogenomics	NNP
cord-252871-qfrpuy3t	239	25	provides	provide	VBZ
cord-252871-qfrpuy3t	239	26	robust	robust	JJ
cord-252871-qfrpuy3t	239	27	support	support	NN
cord-252871-qfrpuy3t	239	28	for	for	IN
cord-252871-qfrpuy3t	239	29	a	a	DT
cord-252871-qfrpuy3t	239	30	two	two	CD
cord-252871-qfrpuy3t	239	31	-	-	HYPH
cord-252871-qfrpuy3t	239	32	domains	domain	NNS
cord-252871-qfrpuy3t	239	33	tree	tree	NN
cord-252871-qfrpuy3t	239	34	of	of	IN
cord-252871-qfrpuy3t	239	35	life	life	NN