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The Genetic Diversity and Interspecific Transmission of Circovirus in Rhizomys sinensis in Guangdong, Southern China

文献类型： 外文期刊

作者： Ren, Zhaowen 1 ; Yuan, Zi-Guo 2 ; Luo, Shengjun 1 ; Sun, Chenglong 3 ; Zhang, Pian 1 ; Yu, Jieshi 4 ; Chen, Xiaofan 1 ; Chen, Jinping 5 ; Hua, Yan 6 ; Wang, Gang 1 ; Xiang, Hua 1 ; Cai, Rujian 1 ; Chen, Jing 1 ; Huang, Yuan 1 ; Yuan, Hao 2 ; Li, Na 1 ; Wang, Xiaohu 1 ; Liao, Ming 1 ;

作者机构： 1.Guangdong Acad Agr Sci, Inst Anim Hlth, Key Lab Livestock Dis Prevent Guangdong Prov, Sci Observat & Key Lab Prevent & Control Avian Inf, Wushan St, Guangzhou 510640, Peoples R China

2.South China Agr Univ, Coll Vet Med, Guangdong Prov Key Lab Zoonosis Prevent & Control, 483 Wushan Rd, Guangzhou 510642, Peoples R China

3.Univ Texas Southwestern Med Ctr, Dept Mol Biol, 5323 Harry Hines Blvd, Dallas, TX 75390 USA

4.Guangdong Acad Agr Sci, Agrobiol Gene Res Ctr, Dept Microbial Resources Res, Guangzhou, Peoples R China

5.Guangdong Acad Sci, Inst Zool, 105 Xingang West Rd, Guangzhou 510260, Peoples R China

6.Guangdong Prov Wildlife Rescue Ctr, 139 Yvxi Rd, Guangzhou 510520, Peoples R China

期刊名称：TRANSBOUNDARY AND EMERGING DISEASES （ 影响因子：4.3； 五年影响因子：4.3 ）

ISSN： 1865-1674

年卷期： 2023 年 2023 卷

页码：

收录情况： SCI

摘要： Circoviruses are a group of small circular, single-stranded DNA viruses that belong to the family Circoviridae. They are known to infect a wide variety of animals. Rhizomys sinensis is a species of rodent that is the reservoir of many zoonotic pathogens. Our previous study identified many sequencing reads mapped to the genome of viruses in Circoviridae in R. sinensis. However, little is known about the circulation and genetic characterization of circoviruses in R. sinensis. This study identified three different circoviruses in samples from 195 R. sinensis. First, the bamboo rat circovirus is widely prevalent in R. sinensis in Guangdong Province, and all strains could be divided into three clades based on nucleotide substitutions at specific sites. Second, and more important, porcine circovirus 2 (PCV2) was isolated for the first time from R. sinensis, which expanded the host range of PCV2 and indicated extra procedures would be required to protect livestock from this virus. Finally, a novel circovirus phylogenetically close to the dromedary stool-associated circular ssDNA virus was detected in 86 (44.1%) samples, which may represent a new circovirus species. These results not only expand our understanding of the circovirus diversity in rodents, particularly in R. sinensis, but also underscore the importance of continued surveillance of viruses in wildlife populations, particularly in rodents, to prevent and control the spread of zoonotic pathogens.

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