Aristolochia mimics stink bugs to repel vertebrate herbivores via TRPA1 activation

doi:10.1111/nph.19407

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	Aristolochia mimics stink bugs to repel vertebrate herbivores via TRPA1 activation
	Yu,Yu-Long; Ge,Jia; Dong,Wen-Qi; Chomicki,Guillaume; Yang,Shi-Long; Geng,Yupeng; Chen,Gao
	2023
发表期刊	NEW PHYTOLOGIST
ISSN	1469-8137
摘要	Mimicry is the phenomenon in which one species (the mimic) closely resembles another (the model), enhancing its own fitness by deceiving a third party into interacting with it as if it were the model. In plants, mimicry is used primarily to gain fitness by withholding rewards from mutualists or deterring herbivores cost-effectively. While extensive work has been documented on putative defence mimicry, limited investigation has been conducted in the field of chemical mimicry.In this study, we used field experiments, chemical analyses, behavioural assays, and electrophysiology, to test the hypothesis that the birthwort Aristolochia delavayi employs chemical mimicry by releasing leaf scent that closely resembles stink bug defensive compounds and repels vertebrate herbivores.We show that A. delavayi leaf scent is chemically and functionally similar to the generalized defensive volatiles of stink bugs and that the scent effectively deters vertebrate herbivores, likely through the activation of TRPA1 channels via (E)-2-alkenal compounds.This study provides an unequivocal example of chemical mimicry in plants, revealing intricate dynamics between plants and vertebrate herbivores. Our study underscores the potency of chemical volatiles in countering vertebrate herbivory, urging further research to uncover their potentially underestimated importance.
关键词	Aristolochia chemical defence kleptoparasite mimicry olfactory cues TRPA1 KLEPTOPARASITIC FLIES DECEPTION PLANTS STRATEGY DEFENSE LEAVES
DOI	10.1111/nph.19407
收录类别	SCI
WOS记录号	WOS:001107419600001
引用统计	被引频次：1[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/75418
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Yu,Yu-Long,Ge,Jia,Dong,Wen-Qi,et al. Aristolochia mimics stink bugs to repel vertebrate herbivores via TRPA1 activation[J]. NEW PHYTOLOGIST,2023.
APA	Yu,Yu-Long.,Ge,Jia.,Dong,Wen-Qi.,Chomicki,Guillaume.,Yang,Shi-Long.,...&Chen,Gao.(2023).Aristolochia mimics stink bugs to repel vertebrate herbivores via TRPA1 activation.NEW PHYTOLOGIST.
MLA	Yu,Yu-Long,et al."Aristolochia mimics stink bugs to repel vertebrate herbivores via TRPA1 activation".NEW PHYTOLOGIST (2023).

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