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Epidemiological investigation and genomic characterization of Caprine herpesvirus 1 from goats in China

文献类型： 外文期刊

作者： Hao, Fei 1 ; Mao, Li 1 ; Li, Wenliang 1 ; Li, Jizong 1 ; Yang, Leilei 1 ; Zhang, Wenwen 1 ; Jiang, Jieyuan 1 ; Sun, Min 1 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Vet Med, Key Lab Vet Bioprod Engn, Minist Agr & Rural Affairs, Nanjing 210014, Peoples R China

2.Minist Sci & Technol, Jiangsu Key Lab Food Qual & Safety, State Key Lab Cultivat Base, Nanjing 210014, Peoples R China

3.Jiangsu Univ, Sch Food & Biol Engn, Zhenjiang 212013, Jiangsu, Peoples R China

关键词： Caprine herpesvirus 1; Epidemiology; Goats; Genome; Pathogenicity

期刊名称：INFECTION GENETICS AND EVOLUTION （ 影响因子：3.342； 五年影响因子：3.188 ）

ISSN： 1567-1348

年卷期： 2020 年 79 卷

页码：

收录情况： SCI

摘要： Caprine herpesvirus 1 (CpHV-1) is a member of the alpha subfamily of herpersviruses, and is responsible for genital lesions and latent infections in goat population worldwide. Here, we describe goats suffered severe respiratory diseases caused by alphaherpesvirus during 2013 to 2014 in Jiangsu province of China. CpHV-1 was detected out by PCR with a prevalence of 21.1% (40/190), among which three novel CpHV-1 strains were firstly identified and isolated in China. Phylogenetic analysis of glycoprotein B (gB) gene revealed that these new viruses were closely clustered with CpHV-1 strain E/CH. The isolate JSHA1405 was further studied by transmission electron microscopy, and displayed typical herpesvirus morphology. Then, for the first time, complete viral genome of JSHA1405 was sequenced by Illumina Hiseq and third-generation sequencing technology. The viral genome is 134,617 bp in length and the genome characteristics were deeply analyzed. 69 open reading frames were predicted and annotated, which was less than that of BoHV-1. Phylogenetic analysis of the complete genome revealed that JSHA1405 was classified into the same branch with previous CpHV-1 strains as well. Moreover, the pathogenicity test is further evidence that JSHA1405 strain induced obvious symptoms of high fever and nasal discharge in infected goats, consistent with clinical manifestations. This is the first report about isolation and identification of CpHV-1 in China and the first characterization of CpHV-1 genome structure. The research also provides a basis for understanding the characteristics, viral genome and pathogenicity of the virus.

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