id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-287466-ag5y781z	Cowley, J.A.	Nidoviruses of Fish and Crustaceans	2016-09-09		.txt	text/plain	17715	760	47	As evidenced by the presence of genomic-length and sgmRNA-length replicativeintermediate double-stranded (ds)RNAs in shrimp cells infected with gill-associated virus (GAV) (Cowley et al., 2002a) , the type species okavirus (Cowley et al., 2012) , it is speculated that transcription termination of the antisense RNAs might occur at precise positions, resulting in common 3′-termini, and that these then act directly as promoters for transcription initiation of the genomic and sgmRNAs. In all other nidoviruses, however, and for the longest of the sgmRNAs transcribed by toroviruses, the (−) and (+) strand sgmRNAs are transcribed using a far more complex discontinuous process involving the splicing of a common "anti-leader" sequence derived from the genome 5′-terminus to each (−) strand sgmRNA that then acts as a universal promoter for transcribing each (+) strand sgmRNA (Pasternak et al., 2006; Sawicki et al., 2007; Smits et al., 2005; van Vliet et al., 2002) . Nidoviruses of aquatic species include the rod-shaped okaviruses GAV and yellow head virus (YHV) that primarily infect Penaeid shrimp (Longyant et al., 2005; Flegel, 2012; Flegel et al., 1997a; Cowley et al., 2000a Cowley et al., , 2002a Cowley and Walker, 2002; Sittidilokratna et al., 2008) and a morphologically similar virus with a ~22 kb ssRNA genome detected in diseased Chinese mitten crabs (Zhang and Bonami, 2007) .	./cache/cord-287466-ag5y781z.txt	./txt/cord-287466-ag5y781z.txt