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Potential Proteins Interactions with Bombyx mori Nucleopolyhedrovirus Revealed by Co-Immunoprecipitation

文献类型： 外文期刊

作者： Wang, Xiong 1 ; Ma, Guangyu 1 ; Ren, Feifei 1 ; Awais, Mian Muhammad 1 ; Sun, Jingchen 1 ;

作者机构： 1.South China Agr Univ, Coll Anim Sci, Guangdong Prov Key Lab Agroanim Genom & Mol Breed, Guangzhou 510642, Peoples R China

关键词： Bombyx mori; nuclear polyhedrosis virus; viral proliferation; co-immunoprecipitation

期刊名称：INSECTS （ 影响因子：3.139； 五年影响因子：3.285 ）

ISSN：

年卷期： 2022 年 13 卷 7 期

页码：

收录情况： SCI

摘要： Simple Summary The Bombyx mori nucleopolyhedrovirus (BmNPV) is a typical model baculovirus, representing one of the major pathogens of the silkworm. We reconstituted the virus in vitro and used it as a bait for immunoprecipitation experiments on cells and silkworm bodies, obtaining a database of proteins potentially interacting with BmNPV. This study provides a protein data reference for the screening of BmNPV receptors and the study of proteins that play a key role in the replication of BmNPV. It is also important to deal with the prevention of BmNPV in silkworms at the molecular level. Virus-host interactions are critical for virus replication, virulence, and pathogenicity. The Bombyx mori nucleopolyhedrovirus (BmNPV) is a typical model baculovirus, representing one of the most common and harmful pathogens in sericulture. Herein, we used co-immunoprecipitation to identify candidate proteins with potential interactions with BmNPV. First, a recombinant BV virus particle rBmBV-egfp-p64-3xflag-gp64sp was constructed using a MultiBac baculovirus multigene expression system. Co-immunoprecipitation experiments were then performed with the recombinant BV virus infected with BmN cells and Dazao silkworms. LC-MS/MS analysis revealed a total of 845 and 1368 candidate proteins were obtained from BmN cells and silkworm samples, respectively. Bioinformatics analysis (Gene Ontology, KEGG Pathway) was conducted for selection of proteins with significant enrichment for further confirmation of the effects on BmNPV replication. Overall, the results showed that SEC61 and PIC promoted the replication of BmNPV, while FABP1 inhibited the replication of BmNPV. In summary, this study reveals the potential proteins involved in BmNPV invasion and proliferation in the host and provides a platform for identifying the potential receptor proteins of BmNPV.

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