Identification and characterization of avian hepatitis E virus genotype 2 from chickens with hepatitis-splenomegaly syndrome in Korea

被引:0
|
作者
Hyun-Woo Moon
Byung-Woo Lee
Haan Woo Sung
Byung-Il Yoon
Hyuk Moo Kwon
机构
[1] Kangwon National University,College of Veterinary Medicine and Institute of Veterinary Science
来源
Virus Genes | 2016年 / 52卷
关键词
Avian hepatitis E virus (HEV); Hypervariable region; Chickens; Complete genome sequence; Genotypes;
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中图分类号
学科分类号
摘要
A new avian hepatitis E virus (HEV) GI-B was identified in broiler breeders with hematomas, liver rupture, and splenomegaly, along with excessive abdominal fat, in Korea. Previously, genotype 1 had been identified in avian HEV strains in Korea. Complete sequence analyses revealed that the new avian HEV clustered in genotype 2, which has been identified in the USA and Spain; the GI-B isolate was closely related to the USA prototype avian HEV isolated from a chicken with hepatitis-splenomegaly syndrome. Although some HEV genotypes show a geographical distribution pattern, the discovery of genotype 2 in addition to genotype 1 in Korea suggests that the geographical grouping might be reconsidered. These findings have important implications for understanding the global epidemiology and spread of avian HEV.
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页码:738 / 742
页数:4
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