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Asian Journal of Animal and Veterinary Advances

Year: 2013 | Volume: 8 | Issue: 3 | Page No.: 449-460
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Authors

Tao Lin

Xiangrui Li

Huochun Yao

Zuzhang Wei

Runxia Liu

Yu Deng

Shaolun Zhai

Wenliang Li

Lichang Sun

Jinxue Long

Hongbiao Zhang

Jiaqi Lu

Shishan Yuan

Keywords

Classical swine fever virus (CSFV) causes severe economic losses to the swine industry worldwide. To gain insight into the molecular epidemiology of classical swine fever in China, we analyzed a 190 bp N-terminal fragment of the E2 gene of 103 Chinese CSFV isolates. Clinical samples were collected between January 2008 and March 2011. CSFV was detected in 103 of these samples by RT-nested PCR and were selected for sequencing. Further analysis based on the E2 fragment sequences revealed that all of the Chinese isolates belonged to subgroups 1.1, 2.1 and 2.2. CSFV isolate of genogroup 3 was not found. The most significant observation between genetic and geographical distribution for the isolates in the study, especially for the subgroup 2.1 strains, was that they occupied the widest area since these viruses existed throughout mainland China. These results enhance our knowledge of the phylogenetic diversity of Chinese CSFV isolates and may contribute to the development of reliable diagnostic tests, epidemiological surveillance and effective strategies for disease control.
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How to cite this article

Tao Lin, Xiangrui Li, Huochun Yao, Zuzhang Wei, Runxia Liu, Yu Deng, Shaolun Zhai, Wenliang Li, Lichang Sun, Jinxue Long, Hongbiao Zhang, Jiaqi Lu and Shishan Yuan, 2013. Phylogenetic Diversity of Classical Swine Fever Virus (CSFV) Field Isolates from Outbreaks in China Between 2008 and 2011. Asian Journal of Animal and Veterinary Advances, 8: 449-460.

DOI: 10.3923/ajava.2013.449.460

URL: https://scialert.net/abstract/?doi=ajava.2013.449.460

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