Transcriptomics and metagenomics of common cutworm (Spodoptera litura) and fall armyworm (Spodoptera frugiperda) demonstrate differences in detoxification and development
文献类型： 外文期刊
作者： Tang, Ruixiang 1 ; Liu, Fangyuan 1 ; Lan, Yue 2 ; Wang, Jiao 1 ; Wang, Lei 1 ; Li, Jing 1 ; Liu, Xu 3 ; Fan, Zhenxin 1 ; Guo, Tao 4 ; Yue, Bisong 1 ;
作者机构： 1.Sichuan Univ, Coll Life Sci, Minist Educ, Key Lab Bioresources & Ecoenvironm, Chengdu 610065, Sichuan, Peoples R China
2.Sichuan Univ, Coll Life Sci, Sichuan Key Lab Conservat Biol Endangered Wildlif, Chengdu 610064, Peoples R China
3.Sichuan Acad Agr Sci, Inst Plant Protect, Chengdu 610066, Sichuan, Peoples R China
4.Sichuan Univ, West China Univ Hosp 2, Dept Obstet & Gynecol, Chengdu 610041, Sichuan, Peoples R China
关键词： Spodoptera litura; Spodoptera frugiperda; Developmental stages; Transcriptome; Metagenomics
期刊名称：BMC GENOMICS （ 影响因子：4.547； 五年影响因子：4.931 ）
ISSN： 1471-2164
年卷期： 2022 年 23 卷 1 期
页码：
收录情况： SCI
摘要： Background Spodoptera litura is an important polyphagous pest that causes significant damage to the agricultural sector. We performed RNA-seq of 15 S. litura individuals from larval (fifth and sixth instar larvae), chrysalis, and adult developmental stages. We also compared the S. litura transcriptome data with Spodoptera frugiperda across the same developmental stages, which was sequenced in our previous study. Results A total of 101,885 differentially expressed transcripts (DETs) were identified in S. litura. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses indicated that S. litura may undergo active xenobiotic and detoxifying metabolism during its larval and adult stages, which may explain difficulties with current population control measures. We also found that DETs of single-copy orthologous genes between S. litura and S. frugiperda were involved in basic metabolism and development. However, energy and metabolic processes genes had a higher expression in S. litura, whereas nervous and olfactory function genes had a higher expression in S. frugiperda. Metagenomics analysis in larval S. litura and S. frugiperda revealed that microbiota participate in the detoxification and metabolism processes, but the relative abundance of detoxification-related microbiota was more abundant in S. frugiperda. Transcriptome results also confirmed the detoxification-related pathway of S. frugiperda was more abundant than in S. litura. Conclusions Significant changes at transcriptional level were identified during the different development stages of S. litura. Importantly, we also identified detoxification associated genes and gut microbiota between S. litura and S. frugiperda at different developmental stages, which will be valuable in revealing possible mechanisms of detoxification and development in these two lepidopterans.
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