Comprehensive transcriptome and metabolome analysis of the adaptability and detoxification ability of Spodoptera frugiperda larvae to tobacco

IF 2.3 2区 农林科学 Q1 ENTOMOLOGY
Minghui Xie , Yongzhi Zhong , Lulu Lin , Guangling Zhang , Ning Wei , Feng Zhang , Haoliang Chen
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Abstract

Spodoptera frugiperda is among the most significant pests affecting food crops globally. Our findings indicate that the mortality rates of 1st and 2nd instar larvae are significantly higher than those of 3rd instar and older larvae following tobacco consumption. In this study, we employed integrated transcriptomic and metabolomic analyses to investigate the changes in gene expression and metabolic processes in 2nd and 3rd instar larvae after consuming tobacco and maize. Transcriptome analysis revealed that the majority of differentially expressed genes (DEGs) involved in xenobiotic biodegradation and metabolism were upregulated, particularly cytochrome P450s. Metabolomic analysis identified alkaloid metabolites in the bodies of larvae that had fed on tobacco. The 3rd instar larvae that consumed tobacco exhibited increased production of metabolites via cytochrome P450. Correlation analysis of the transcriptome and metabolome demonstrated that, when comparing the 3rd instar larvae fed on tobacco to those fed on maize, both DEGs and differentially accumulated metabolites (DAMs) shared pathways related to cytochrome P450, fatty acid metabolism, and glutathione metabolism. Transcriptome and metabolome analysis shows cytochrome P450 play an important role in the detoxification and adaptability of S. frugiperda larvae to tobacco. This study provides a preliminary explanation of the detoxification metabolism and adaptive mechanisms of S. frugiperda larvae in response to tobacco.

Abstract Image

狐尾夜蛾幼虫对烟草的适应性和解毒能力的综合转录组和代谢组分析
夜蛾是影响全球粮食作物最严重的害虫之一。结果表明,吸烟后1龄和2龄幼虫的死亡率显著高于3龄和更老的幼虫。本研究采用综合转录组学和代谢组学分析方法,研究了烟草和玉米对2龄和3龄幼虫基因表达和代谢过程的影响。转录组分析显示,大多数参与外源生物降解和代谢的差异表达基因(DEGs)上调,尤其是细胞色素p450。代谢组学分析鉴定了以烟草为食的幼虫体内的生物碱代谢物。烟叶诱导的3龄幼虫通过细胞色素P450产生代谢产物。转录组和代谢组的相关分析表明,以烟草为食的3龄幼虫与以玉米为食的3龄幼虫相比,deg和差异积累代谢物(DAMs)共享与细胞色素P450、脂肪酸代谢和谷胱甘肽代谢相关的途径。转录组学和代谢组学分析表明,细胞色素P450在果叶蝉幼虫对烟草的解毒和适应性中起重要作用。本研究初步解释了烟草对frugiperda幼虫的解毒、代谢和适应机制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of insect physiology
Journal of insect physiology 生物-昆虫学
CiteScore
4.50
自引率
4.50%
发文量
77
审稿时长
57 days
期刊介绍: All aspects of insect physiology are published in this journal which will also accept papers on the physiology of other arthropods, if the referees consider the work to be of general interest. The coverage includes endocrinology (in relation to moulting, reproduction and metabolism), pheromones, neurobiology (cellular, integrative and developmental), physiological pharmacology, nutrition (food selection, digestion and absorption), homeostasis, excretion, reproduction and behaviour. Papers covering functional genomics and molecular approaches to physiological problems will also be included. Communications on structure and applied entomology can be published if the subject matter has an explicit bearing on the physiology of arthropods. Review articles and novel method papers are also welcomed.
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