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Apoptosis-related long non-coding RNA LINC5438 of Bombyx mori promotes the proliferation of BmNPV

文献类型： 外文期刊

作者： Chen, Peng 1 ; Cai, Min 1 ; Feng, Yu-Jie 1 ; Li, Cong 1 ; Dong, Zhan-Qi 1 ; Xiao, Wen-Fu 1 ; Tang, Liang 3 ; Zhu, Yan 1 ; Tian, Ting 1 ; Deng, Bo-Yuan 1 ; Pan, Min-Hui 1 ; Lu, Cheng 1 ;

作者机构： 1.Southwest Univ, State Key Lab Silkworm Genome Biol, Key Lab Sericultural Biol & Genet Breeding, Minist Agr & Rural Affairs, Beibei 400715, Peoples R China

2.Sichuan Acad Agr Sci, Sericultural Res Inst, Nanchong 637000, Peoples R China

3.Sericulture Technol Promot Stn Guangxi, Nanning 530007, Peoples R China

4.Southwest Univ, State Key Lab Silkworm Genome Biol, 216 Tiansheng Rd, Chongqing 400715, Peoples R China

关键词： Bombyx mori; Apoptosis; Long non-coding RNA; BmNPV; LINC5438

期刊名称：PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY （ 影响因子：4.7； 五年影响因子：4.7 ）

ISSN： 0048-3575

年卷期： 2023 年 191 卷

页码：

收录情况： SCI

摘要： Apoptosis, as an important part of the immune response, is one of the core events in the host-virus interaction. Studies have shown that long non-coding RNAs (lncRNAs) play important roles in the process of cell apoptosis and pathophysiology. To investigate the apoptosis-related lncRNAs involved in Bombyx mori nucleopolyhe-drovirus (BmNPV) infecting silkworms, transcriptome sequencing was conducted based on silkworm cells infected with BmNPV before and after B. mori inhibitor of apoptosis (Bmiap) gene knockout. A total of 23 differentially expressed lncRNAs were identified as being associated with the mitochondrial apoptosis pathway. Moreover, we demonstrated that B. mori LINC5438 has the function of inhibiting apoptosis in silkworm cells. Overexpression of LINC5438 promoted the proliferation of BmNPV, while interference with LINC5438 inhibited its proliferation, indicating that LINC5438 plays an important role in BmNPV infection. Our results also showed that LINC5438 can regulate the expression of Bmiap, BmDronc, BmICE, and its predicted target gene BmAIF, suggesting that LINC5438 may function through the mitochondrial pathway. These findings provide important insights into the mechanisms of virus-host interaction and the applications of baculoviruses as biological insecticides.

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