期刊
VETERINARY MICROBIOLOGY
卷 260, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.vetmic.2021.109163
关键词
Small ruminant morbillivirus (SRMV); Zinc finger antiviral protein (ZAP); Replication; ZRE
资金
- Key Research Project of National Science and Technology [2016YFD0500108]
- Chinese Natural Sci-ences Foundation [31672572]
The study reveals the significant antiviral properties of ZAP against Small Ruminant Morbillivirus, inhibiting viral replication by directly targeting viral RNA. This extends the understanding of ZAP's viral targets and the mechanism of SRMV replication.
Small ruminant morbillivirus (SRMV) is a highly contagious and economically important viral disease of small domestic and wild ruminants. Difficulty with its stable proliferation in ovis aries-derived cells has led to a relative lag in the study of its natural immunity and pathogenesis. Here we report the antiviral properties of ZAP against SRMV, a single-stranded negative-stranded RNA virus of the genus Morbillivirus. ZAP expression was significantly induced in sheep endometrial epithelial cells following SRMV infection. ZAP inhibited SRMV replication in cells after infection, while its overexpression in Vero-SLAM cells significantly increased their resistance to SRMV replication. The ZAP protein co-localized with SRMV RNA in the cytoplasm and ZAPresponsive elements were mapped to the 5 ' untranslated region of SRMV nucleocapsid, phosphoprotein, matrix, and fusion. In summary, ZAP confers resistance to SRMV infection by directly targeting viral RNA and inhibiting viral replication. Our findings further extend the ranges of viral targets of ZAP and help elucidate the mechanism of SRMV replication.
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