Isolation and phylogenetic analysis of goose astrovirus type 1 from goslings with gout in Jiangxi province, China

文献类型： 外文期刊

第一作者： Zhang, Fanfan

作者： Zhang, Fanfan;Li, Haiqin;Wei, Qipeng;Zeng, Yanbing;Wu, Chengcheng;Yang, Qun;Tan, Jia;Tan, Meifang;Kang, Zhaofeng;Xie, Quan

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关键词： isolation; phylogenetic analysis; goose astrovirus type 1; goose gout

期刊名称：POULTRY SCIENCE （ 影响因子：4.014； 五年影响因子：4.192 ）

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年卷期： 2022 年 101 卷 7 期

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收录情况： SCI

摘要： Goose astrovirus (GoAstV) is a new Avastrovirus of the genus astrovirus causing gout, hemorrhage, and swellings of kidneys that have affected goslings around the major goose-producing regions in China. The GoAstV is divided into goose astrovirus type 1 (GoAstV-1) and goose astrovirus type 2 (GoAstV-2). Although GoAstV-2 is known to be the causative agent of goose gout, little published information about the relationship between GoAstV-1 and goose gout is unknown. In this study, we investigated the presence of GoAstV-1 in 293 visceral tissue/dead embryos samples with gout on different farms in Jiangxi province, China. A survey result indicated that the mono-infection of GoAstV-1 (32.08%) and co-infection of GoAstV-1 (12.28%) with GoAstV-2 in gout goslings in Jiangxi, China. JXGZ, a GoAstV-1 strain, was effectively isolated from the visceral tissue of gosling gout and serially propagated for more than 25 passages in a goose embryo. The JXGZ strain's whole genome was sequenced and investigated. Phylogenetic analysis of complete genome and capsid protein sequences of JXGZ strain show that it was more closely related to GoAstV1 strain than GoAstV-2 strain and was grouped within the GoAstV-1 cluster. These findings will aid in the development of efficient diagnostic reagents and possible vaccinations by providing insight into the prevalence and genetic evolution of GoAstV-1 in China.

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