Article
Genetic variation analysis of porcine reproductive and respiratory syndrome virus isolated in China from 2002 to 2007 based on ORF5.
Veterinary microbiology - 2 Jul 2009
Li Yufeng, Wang Xinglong, Jiang Ping, Wang Xiaofeng, Chen Wen, Wang Xianwei, Wang Kewei
Abstract excerpt
The complete open reading frame 5 (ORF5) sequences of 34 field porcine reproductive and respiratory syndrome virus (PRRSV) isolates from China in 2002-2007 were detected and compared with the different variable Chinese isolates S1, CH-1a, HB-1, HB-2 and JXA1. The results showed that all isolates were of type 2 PRRSV and could be assigned to two clusters. The isolates in cluster sg1 was high similar with the...
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