文献类型： 外文期刊
作者： Wang, Ruichen 1 ; Wang, Xiaohu 3 ; Zhai, Junqiong 5 ; Zhang, Pian 3 ; Irwin, David M. 7 ; Shen, Xuejuan 1 ; Chen, Wu 3 ; Shen, Yongyi 1 ;
作者机构： 1.Guangdong Lab Lingnan Modern Agr, Guangzhou 510642, Peoples R China
2.South China Agr Univ, Coll Vet Med, Ctr Emerging & Zoonot Dis, Guangzhou, Peoples R China
3.Guangdong Lab Lingnan Modern Agr, Maoming Branch, Maoming 525000, Peoples R China
4.Guangdong Acad Agr Sci, Inst Anim Hlth, Guangzhou, Peoples R China
5.Guangzhou Zoo, Guangzhou, Peoples R China
6.Guangzhou Wildlife Res Ctr, Guangzhou, Peoples R China
7.Univ Toronto, Dept Lab Med & Pathobiol, Toronto, ON, Canada
8.Univ Toronto, Banting & Best Diabet Ctr, Toronto, ON, Canada
9.Key Lab Zoonosis Prevent & Control Guangdong Prov, Guangzhou, Peoples R China
关键词： Asia-6 lineage; canine distemper virus; phylogeny; red panda
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：
页码：
收录情况： SCI
摘要： Canine distemper virus (CDV) is a highly contagious virus that causes multi-systemic, sub-clinical to fatal diseases in a wide range of carnivore species. Based on the sequences of the haemagglutinin (H) gene, CDV strains have been classified into 18 major genetic lineages. In this study, we characterized the genomes of CDV isolated from the lungs of two dead red pandas in China. Histopathological and immunohistochemical analyses revealed damage due to viral infection in these lungs. The two strains showed a deep genetic distance from the other 18 recognized lineages (>4.6% at nucleotide level and >5.0% at amino acid level). The maximum clade credibility tree of the H- gene sequences showed that they belonged to an independent clade and had diverged a relatively long time ago from the Asia-4 lineage (since 1884). These results suggest that the analyzed strains belong to a new CDV lineage, which we designate as Asia-6. Our finding indicates that CDV infections in wildlife in China are complex and are a threat to endangered carnivores.
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