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Curr Opin Insect Sci

Title:		Plant volatiles as regulators of plant defense and herbivore immunity: molecular mechanisms and unanswered questions
Author(s):		Hu L; Zhang K; Wu Z; Xu J; Erb M;
Address:		"Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou 310058, China. Electronic address: lingfeihu@zju.edu.cn. Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou 310058, China. Institute of Plant Sciences, University of Bern, 3013 Bern, Switzerland"
Journal Title:		Curr Opin Insect Sci
Year:		2021
Volume:		20210422
Issue:
Page Number:		82 - 88
DOI:		10.1016/j.cois.2021.03.010
ISSN/ISBN:		2214-5753 (Electronic)
Abstract:		"Plants release distinct blends of herbivore-induced plant volatiles (HIPVs) upon herbivore attack. HIPVs have long been known to influence the behavior of herbivores and natural enemies. In addition, HIPVs can act as physiological regulators that induce or prime plant defenses. Recent work indicates that the regulatory capacity of HIPVs may extend to herbivore immunity: herbivores that are exposed to HIPVs can become more resistant or susceptible to parasitoids and pathogens. While the mechanisms of HIPV-mediated plant defense regulation are being unraveled, the mechanisms underlying the regulation of herbivore immunity are unclear. Evidence so far suggests a high degree of context dependency. Here, we review the mechanisms by which HIPVs regulate plant defense and herbivore immunity. We address major gaps of knowledge and discuss directions for future mechanistic research to facilitate efforts to use the regulatory capacity of HIPVs for the biological control of insect pests"
Keywords:		Animals *Herbivory Insecta/*immunology *Plant Defense Against Herbivory Plants/*metabolism Volatile Organic Compounds/*metabolism;
Notes:		"MedlineHu, Lingfei Zhang, Kaidi Wu, Zhenwei Xu, Jianming Erb, Matthias eng Research Support, Non-U.S. Gov't Review Netherlands 2021/04/25 Curr Opin Insect Sci. 2021 Apr; 44:82-88. doi: 10.1016/j.cois.2021.03.010. Epub 2021 Apr 22"