Article
Genomic sequencing reveals mutations potentially related to the overattenuation of a highly pathogenic porcine reproductive and respiratory syndrome virus.
Clinical and vaccine immunology : CVI - 1 Apr 2013
Yu Xiuling, Chen Nanhua, Deng Xiaoyu, Cao Zhen, Han Wei, Hu Dongmei, Wu Jiajun, Zhang Shuo, Wang Baoyue, Gu Xiaoxue, Tian Kegong
Abstract excerpt
Highly pathogenic porcine reproductive and respiratory syndrome virus (HP-PRRSV) continues to evolve when serially passaged in Marc-145 cells. In this study, we analyzed the genomic and antigenic variants of HP-PRRSV strain JXA1 during in vitro passage. Protective efficacies of JXA1 from passages 100, 110, 120, 140, and 170 against the high-virulence parental virus were evaluated by inoculating pigs with each of...
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