数字农科院2.0

Binding chicken Anx2 is beneficial for infection with infectious bursal disease virus

文献类型： 外文期刊

作者： Ren, Xiangang;Zhang, Lizhou;Gao, Yulong;Gao, Honglei;Wang, Yongqiang;Liu, Changjun;Cui, Hongyu;Zhang, Yanping;Jiang, Lili;Qi, Xiaole;Wang, Xiaomei;Wang, Xiaomei

作者机构：

关键词： Chicken Anx2;IBDV;Binding;Virus infection

期刊名称： VIRUS RESEARCH

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收录情况： SCI

摘要： Infectious bursal disease virus (IBDV) causes a highly contagious disease in young chickens and leads to significant economic loss in the poultry industry. The identification of host cellular molecules that bind to IBDV will improve the understanding of the underlying pathogenic mechanisms. In this study, using a virus overlay protein-binding assay (VOPBA) and mass spectrometry (MS) analysis, IBDV was found to bind chicken Anx2, a membrane protein fraction from DF-1 cells. Its interactions were further confirmed by an overlay assay. The results of an immunofluorescence assay and flow cytometry showed that Anx2 could be expressed and colocalized with IBDV on the surface of infected cells. Moreover, either the soluble recombinant Anx2 or an anti-Anx2 antibody could inhibit IBDV binding to and infection of DF-1 cells in a dose-dependent manner. The knockdown of Anx2 of DF-1 cells by small interfering RNA clearly reduced the subsequent virus yield, and overexpression of Anx2 was capable of enhancing the virus yield. These results indicate, for the first time, that binding to Anx2 is beneficial for IBDV infection. (C) 2015 Published by Elsevier B.V.

分类号： R37

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