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Buffalo-Origin Seneca Valley Virus in China: First Report, Isolation, Genome Characterization, and Evolution Analysis

文献类型： 外文期刊

作者： Zhou, Xia 1 ; Liang, Wei-Fang 1 ; Si, Guang-Bin 1 ; Li, Jin-Hui 1 ; Chen, Zhi-Fei 1 ; Cai, Wei-You 1 ; Lv, Dian-Hong 2 ;

作者机构： 1.South China Agr Univ, Coll Vet Med, Guangzhou, Peoples R China

2.Guangdong Acad Agr Sci, Inst Anim Hlth, Minist Agr Rural Affairs, Sci Observat & Expt Stn Vet Drugs & Diagnost Tech, Guangzhou, Peoples R China

3.Key Lab Anim Dis Prevent Guangdong Prov, Guangzhou, Peoples R China

关键词： Seneca Valley virus; porcine; buffalo; first report; cell lines; host diversity

期刊名称：FRONTIERS IN VETERINARY SCIENCE （ 影响因子：3.412； 五年影响因子：3.588 ）

ISSN：

年卷期： 2021 年 8 卷

页码：

收录情况： SCI

摘要： Pigs are the main host of Seneca Valley virus (SVV), previously known as Senecavirus A (SVA). Pigs affected by SVV have vesicles in the nose, hooves, and limp and may cause death in some severe cases. Occasionally, SVV has also been detected in mice, houseflies, environmental equipment, and corridors in pig farms. Moreover, it was successfully isolated from mouse tissue samples. In this study, an SVV strain (SVA/GD/China/2018) was isolated from a buffalo with mouth ulcers in the Guangdong province of China using seven mammalian cell lines (including BHK-21, NA, PK-15, ST, Vero, Marc-145, and MDBK). The genome of SVA/GD/China/2018 consists of 7,276 nucleotides. Multiple-sequence alignment showed that SVA/GD/China/2018 shared the highest nucleotide similarity (99.1%) with one wild boar-origin SVV strain (Sichuan HS-01) from the Sichuan province of China. Genetic analysis revealed that SVA/GD/China/2018 clustered with those porcine-origin SVV strains. To the best of our knowledge, this is the first report of SVV infection in buffalo, which might expand the host range of the virus. Surveillance should be expanded, and clinical significance of SVV needs to be further evaluated in cattle.

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