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Molecular characteristics and phylogenetic analysis of novel goose parvovirus strains associated with short beak and dwarfism syndrome

文献类型： 外文期刊

作者： Li, Yonglin 1 ; Jia, Jingyu 1 ; Mi, Qingling 1 ; Li, Yufeng 3 ; Gao, Yuehua 3 ; Zhu, Guoqiang 1 ; Wang, Jianye 1 ;

作者机构： 1.Yangzhou Univ, Coll Vet Med, 48 Wenhui East Rd, Yangzhou 225009, Jiangsu, Peoples R China

2.Jiangsu Coinnovat Ctr Important Anim Infect Dis &, Yangzhou, Jiangsu, Peoples R China

3.Shandong Acad Agr Sci, Inst Poultry Sci, Jinan, Shandong, Peoples R China

期刊名称：ARCHIVES OF VIROLOGY （ 影响因子：2.574； 五年影响因子：2.466 ）

ISSN： 0304-8608

年卷期： 2021 年 166 卷 9 期

页码：

收录情况： SCI

摘要： Short beak and dwarfism syndrome (SBDS) emerged in Cherry Valley duck flocks in China in 2015, and novel goose parvovirus (NGPV) was shown to be the etiological agent of SBDS. To date, it is not known whether SBDS-related NGPV isolates possess common molecular characteristics. In this study, three new NGPV strains (namely, SDHT16, SDJN19, and SDLC19) were isolated from diseased ducks showing typical signs of SBDS and successfully passaged in embryonated goose or Cherry Valley duck eggs. The complete genome sequences of these NGPV strains were 98.9%-99.7% identical to each other but showed slightly less similarity (95.2%-96.1% identity) to classical GPV strains. A total of 16 common amino acid substitutions were present in the VP1 proteins of six NGPV strains (SDHT16, SDJN19, SDLC19, QH, JS1, and SDLC01) compared with the classical Chinese GPV strains, nine of which were identical to those found in European GPV strain B. The non-structural protein Rep1 of the six NGPV strains had 12 common amino acid substitutions compared with the classical GPV strains. Phylogenetic analysis indicated that the Chinese NGPV strains clustered with the European SBDS-related NGPV strains, forming a separate branch that was distinct from the group formed by the classical GPV strains. The present study shows the common molecular characteristics of NGPV isolates and suggests that the Chinese NGPV isolates probably share a common ancestor with European SBDS-related NGPV strains.

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