Analysis of lncRNA-mediated gene regulatory network of Bombyx mori in response to BmNPV infection

文献类型： 外文期刊

第一作者： Zhang, Shaolun

作者： Zhang, Shaolun;Yin, Haotong;Shen, Manman;Huang, Haoling;Hou, Qirui;Zhang, Zhendong;Zhao, Weiguo;Guo, Xijie;Wu, Ping;Shen, Manman;Hou, Qirui;Guo, Xijie;Wu, Ping;Hou, Qirui;Wu, Ping

作者机构：

关键词： Bombyx mori; lncRNA; lncRNA-miRNA-mRNA; BmNPV; Host-pathogen interaction

期刊名称：JOURNAL OF INVERTEBRATE PATHOLOGY （ 影响因子：2.841； 五年影响因子：3.368 ）

ISSN： 0022-2011

年卷期： 2020 年 170 卷

页码：

收录情况： SCI

摘要： Bombyx mori nucleopolyhedrosis virus (BmNPV) has always been a great challenge to the development and stability of the sericulture industry. LncRNAs have been reported to play important roles in gene expression regulation, development and immune response but the roles of lncRNAs in BmNPV infection and silkworm-BmNPV interaction are not clear. We used a genome-wide transcriptome analysis to identify the lncRNAs in Bombyx mori cells (BmN cells) and analyzed the differentially expressed lncRNAs, microRNAs and protein-coding genes in silkworm cells with or without BmNPV infection. A total of 13,159 candidate lncRNAs were identified in the BmN cells, among which 4450 lncRNAs were differentially expressed (DE) with 2837 up-regulated and 1613 down-regulated. In addition, 66 differentially expressed miRNAs (DEmiRNAs) and 7448 differentially expressed mRNAs (DEmRNAs) were identified, and DElncRNA-DEmiRNA-DEmRNA regulatory network was constructed. Gene expression was variable in 4973 of predicted lncRNA cis target genes in BmNPV infected cells. KEGG pathway analysis indicated that the target genes of DElncRNAs are enriched in ubiquitin mediated proteolysis, endocytosis and lysosome pathways. qRT-PCR validated the differential expression of several lncRNAs and miRNAs. Our results suggested that DElncRNAs participate in host response to BmNPV infection via interactions with their target genes and miRNAs. Our results will help us to improve our understanding of lncRNA-mediated regulatory roles in BmNPV infection and provide new insights into silkworm-pathogen interactions.

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