Published in:
01-02-2015 | Brief Report
Full-length genome sequence analysis of a Hungarian porcine reproductive and respiratory syndrome virus isolated from a pig with severe respiratory disease
Authors:
Ádám Bálint, Gyula Balka, Péter Horváth, Sándor Kecskeméti, Ádám Dán, Attila Farsang, Levente Szeredi, Krisztián Bányai, Dániel Bartha, Ferenc Olasz, Sándor Belák, Zoltán Zádori
Published in:
Archives of Virology
|
Issue 2/2015
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Abstract
Here, we report the isolation of a type 1 porcine reproductive and respiratory syndrome virus (PRRSV) strain from a clinical outbreak of severe respiratory problems and high fever. Next-generation sequencing was used to determine the complete genome sequence of the isolate (9625/2012). The virus belongs to a new branch within subtype 1, clade D, and shows the highest similarity to PRRSV Olot/1991 and to the Amervac vaccine strain. Mutation analysis of 9625/2012 revealed no evidence of recombination but did show a high proportion of amino acid substitutions in the putative neutralizing epitopes, suggesting an important role of selective immune pressure in the evolution of PRRSV 9625/2012.