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Identification of D/Yama2019 Lineage-Like Influenza D Virus in Chinese Cattle

文献类型： 外文期刊

作者： Yu, Jieshi 1 ; Li, Tianyu 3 ; Wen, Zhenyu 5 ; Wu, Siyu 1 ; Wang, Zhilin 1 ; Zheng, Jiaying 4 ; Chen, Mingwang 4 ; Chen, Faming 4 ; Wei, Wen-Kang 1 ; Zhai, Shao-Lun 2 ; Liao, Ming 2 ;

作者机构： 1.Guangdong Acad Agr Sci, Agrobiol Gene Res Ctr, Guangzhou, Peoples R China

2.Guangdong Acad Agr Sci, Key Lab Prevent & Control Avian Influenza & Other, Key Lab Livestock Dis Prevent Guangdong Prov, Inst Anim Hlth,Minist Agr & Rural Affairs,Sci Obse, Guangzhou, Peoples R China

3.Guangxi Univ, Coll Anim Sci & Technol, Nanning, Peoples R China

4.Zhongshan Anim Dis Control Ctr, Zhongshan, Peoples R China

5.South China Agr Univ, Key Lab Zoonosis, Key Lab Zoonosis Prevent & Control Guangdong Prov, Minist Agr & Rural Affairs, Guangzhou, Peoples R China

6.Guangdong Lab Lingnan Modern Agr Sci & Technol, Maoming Branch Ctr, Maoming, Peoples R China

关键词： influenza D virus; genetic lineage; phylogenetic analysis; cattle; China

期刊名称：FRONTIERS IN VETERINARY SCIENCE （ 影响因子：3.471； 五年影响因子：3.821 ）

ISSN：

年卷期： 2022 年 9 卷

页码：

收录情况： SCI

摘要： Outbreaks of influenza D virus (IDV) continue to be reported in many countries. On the basis of the hemagglutinin-esterase fusion (HEF) gene, five IDV genetic lineages have been identified: D/OK, D/660, D/Yama2016, D/Yama2019 and D/CA2019 lineages. Previously reported IDV strains in China all form a sub-clade (D/China sub-lineage) within D/OK lineage. From October 2021 to February 2022, nasal swab samples (n = 250) were collected from apparently healthy cattle in slaughterhouses around the city of Guangzhou, China, and screened for IDV by RT-PCR. Ten samples were positive for IDV. An IDV strain with nearly complete genome sequences was identified and designated as D/bovine/CHN/JY3001/2021. Importantly, sequence alignments and phylogenetic analyses revealed that this IDV strain is genetically close to the strains (>98% homology) in the D/Yama2019 lineage that has been found only in Japan, but distant from the previously reported Chinese IDV strains (similar to 95% similarity). These results demonstrate the emergence of D/Yama2019 lineage IDV in Chinese cattle herds, highlighting a need for future surveillance of D/Yama2019-like viruses toward better understanding both epidemiology and diversity of IDV in China.

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