id author title date pages extension mime words sentences flesch summary cache txt cord-286842-04cuk2cn Plyusnina, Angelina Recombinant Tula hantavirus shows reduced fitness but is able to survive in the presence of a parental virus: analysis of consecutive passages in a cell culture 2005-02-22 .txt text/plain 2147 115 51 title: Recombinant Tula hantavirus shows reduced fitness but is able to survive in the presence of a parental virus: analysis of consecutive passages in a cell culture Tula hantavirus carrying recombinant S RNA segment (recTULV) grew in a cell culture to the same titers as the original cell adapted variant but presented no real match to the parental virus. Using the two specific RT-PCR conditions, the presence of V-type and REC-type S RNA was monitored on ten sequential passages of the mixture of TULV02 and RecTULV5 variants (Fig. 2 ). Although relatively short, the observed survival time of the recTULV in the presence of the original variant TUL02 seems to be sufficient for transmission of a recombinant virus, in a hypothetical in vivo situation, from one rodent to another. The data presented in this paper show that the recTULV presents no real match to the original cell adapted variant and that the lower fitness of the recombinant virus can not be increased by pre-passaging in cell culture. ./cache/cord-286842-04cuk2cn.txt ./txt/cord-286842-04cuk2cn.txt