Transcriptome-wide analysis of the difference of alternative splicing in susceptible and resistant silkworm strains after BmNPV infection

文献类型： 外文期刊

第一作者： Li, Gang

作者： Li, Gang;Zhou, Kaiyue;Zhao, Guodong;Qian, Heying;Xu, Anying;Qian, Heying;Xu, Anying

作者机构：

关键词： Bombyx mori nucleopolyhedrovirus; RNA-sequencing; Alternative splicing; SR proteins

期刊名称：3 BIOTECH （ 影响因子：2.406； 五年影响因子：3.203 ）

ISSN： 2190-572X

年卷期： 2019 年 9 卷 4 期

页码：

收录情况： SCI

摘要： Novel alternative splicing events were identified from BmNPV-susceptible and -resistant silkworm strains after BmNPV infection using high-throughput RNA-sequencing strategy. In total, 12.82 Gb clean RNA-seq data were generated for the two midgut samples from BmNPV-susceptible and -resistant silkworm strains, and 14.78 Gb clean data for the two fat body samples. The number of alternative splicing events and isoforms in the BmNPV-susceptible silkworm strain was more than that in the BmNPV-resistant silkworm strain. Furthermore, alternative splicing genes uniquely present in BmNPV-resistant silkworm strain were involved in functions about ribosome, whereas, alternative splicing genes uniquely present in BmNPV-susceptible silkworm strain were implicated in functions like DNA helicase activity and signal transduction. Additionally, 33 expressed SR or SR-like proteins were identified, and three genes encoding SR or SR-like proteins (tetratricopeptide repeat protein 14 homolog, ubiquitin carboxyl-terminal hydrolase 32 and zinc finger CCCH domain-containing protein 18) have a higher number of different alternative splicing events between two silkworm strains. The present study suggested BmNPV treatment may have a smaller effect on the mRNA transcription in BmNPV-resistant silkworms than that in BmNPV-susceptible silkworms, and functions of alternative splicing genes are different between the two silkworm strains.

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