Transcriptome analysis of Reticulitermes flaviceps exposed to Mentha spicata essential oil and carvone indicates a potential neurotoxic mechanism of action characterized by intracellular calcium influx mediated by dopamine receptors
文献类型： 外文期刊
作者： Xie, Yongjian 1 ; Chen, Yiyang 1 ; Wu, Ziwei 1 ; Gong, Xue 2 ; Zhang, Zhilin 3 ; Yang, Shimeng 1 ; Zhang, Dayu 1 ;
作者机构： 1.Zhejiang A&F Univ, Coll Adv Agr Sci, Key Lab Biol Crop Pathogens & Insect Pests & Their, Hangzhou 311300, Peoples R China
2.Zhejiang Acad Agr Sci, Inst Virol & Biotechnol, Hangzhou 310021, Peoples R China
3.Hubei Engn Univ, Hubei Key Lab Qual Control Characterist Fruits & V, Xiaogan 432000, Hubei, Peoples R China
关键词： Mentha spicata; Carvone; Fumigation; Reticulitermes flaviceps; Differentially expressed genes (DEGs); Neurotoxicity
期刊名称：PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY （ 影响因子：4.2； 五年影响因子：4.6 ）
ISSN： 0048-3575
年卷期： 2024 年 204 卷
页码：
收录情况： SCI
摘要： Reticulitermes flaviceps is an economically important pest in agriculture, forestry, and construction. Recent studies have shown an increase in research focusing on the anti-termite properties of plant essential oils, however, there remains a lack of information regarding the specific molecular mechanism involved. In this study, RNA-seq analysis was conducted on termites exposed to Mentha spicata essential oil (EO) and carvone, leading to the discovery of various genes that were expressed differentially under different treatment conditions. Numerous genes that exhibited a response to M. spicata EO and carvone found to be associated with stress-related pathways, such as drug metabolism cytochrome P450, glutathione metabolism, fatty acid metabolism, citric acid cycle, neuroactive ligand-receptor interaction, cell apoptosis, the AMPK signalling pathway, the mTOR signalling pathway, the longevity regulation pathway, ubiquitin-mediated protein hydrolysis, and the calcium signalling pathway. The up-regulation of genes (SPHK) associated with calcium channels, such as SPHK, indicates a potential mechanism of neurotoxicity, while the up-regulation of apoptosis-associated genes, including ACTB_G1, PYG, SQSTM1, RNF31, suggests a potential mechanism of cytotoxicity. The metabolism of M. spicata EO induces oxidative stress, elevates free Ca2+ levels in mitochondria, and initiates the generation of reactive oxygen species (ROS), ultimately resulting in programmed cell necrosis and apoptosis, as well as facilitating cellular autophagy. The monoterpenes exhibited neurotoxic and cytotoxic effects on R. flaviceps and could be exploited to advance termiticide development and eco-friendly termite control.
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