Genetic Typing of Classical Swine Fever Virus Isolates from China

文献类型: 外文期刊

第一作者: Sun, S. -Q.

作者: Sun, S. -Q.;Yin, S. -H.;Guo, H. -C.;Jin, Y.;Shang, Y. -J.;Liu, X. -T.

作者机构:

关键词: classical swine fever virus;genetic typing;Chinese isolates

期刊名称:TRANSBOUNDARY AND EMERGING DISEASES ( 影响因子:5.005; 五年影响因子:4.622 )

ISSN: 1865-1674

年卷期: 2013 年 60 卷 4 期

页码:

收录情况: SCI

摘要: The E2 genes of 73 classical swine fever virus (CSFV) originated from CSF suspected cases in different regions of China were genetically characterized and compared with reference CSF viruses. All Chinese viruses that characterized were segregated into two major groups and subdivided into four subgroups. Most of isolates (61.6%) belonged to group 2 and were further divided into three subgroups: subgroup 2.1, 2.2 and 2.3. Subgroup 2.1 was the largest subgroup which contained 46.6% of isolates, whiles subgroup 2.3 was the smallest subgroup which contained only one isolate (1.4%). The remaining 38.4% of isolates were classified into subgroup 1.1 within group 1. However, no group 3 and subgroups 1.2 and 1.3 viruses were found in this study. This study has provided epidemiological information useful for assessing the virus origin and establishing a national prevention and control strategy against the disease.

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