文献类型： 外文期刊
第一作者： Li, Chuanfeng
作者： Li, Chuanfeng;Shan, Tongling;Chen, Zongyan;Zhou, Jiewen;Li, Hang;Tong, Guangzhi;Liu, Guangqing
作者机构：
关键词： Duck picornavirus; Complete genome; Phylogenetic analysis; Isolation
期刊名称：VETERINARY MICROBIOLOGY （ 影响因子：3.293； 五年影响因子：3.599 ）
ISSN： 0378-1135
年卷期： 2021 年 253 卷
页码：
收录情况： SCI
摘要： A novel duck picornavirus, designated as duck/AH15/CHN/2015, was isolated and identified from Cherry Valley ducks with short beak and dwarfism syndrome in 2015 in Anhui province of China. Duck/AH15/CHN/2015 has the highest degree of amino acid sequence identity (approximately 43 %) with duck hepatitis A viruses (DHAV) Complete genome analysis revealed that duck/AH15/CHN/2015 possesses a typical picornavirus-like genomic organization, 5' UTR-L-P1 (VP0-VP3-VP1)-P2 (2A1-2A2- 2B-2C)-P3 (3A-3B-3C-3D)-3'UTR-poly (A). The 5'UTR contains a potential type IV internal ribosome entry site, while a conserved "barbell"-like structure is found at the 3'UTR, which is similar to DHAV. Compared to the closest related DHAVs, two unrelated 2A proteins were predicted in duck/AH15/CHN/2015, while three unrelated 2A proteins were presented in DHAVs. Based on the amino acid identity comparison and phylogenetic analysis of P1, 2C, and 3CD (3C and 3D), duck/AH15/CHN/2015 was closely related to but distinct from DHAVs, and it was proposed to be a member of a novel species in the genus Avihepatovirus of the family Picornaviridae.
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