Plant Responses to Herbivory, Wounding, and Infection

Plants have various self-defense mechanisms against biotic attacks, involving both physical and chemical barriers. Physical barriers include spines, trichomes, and cuticle layers, whereas chemical barriers include secondary metabolites (SMs) and volatile organic compounds (VOCs). Complex interaction...

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Main Authors: Salma Mostafa, Yun Wang, Wen Zeng, Biao Jin
Format: Article
Language:English
Published: MDPI AG 2022-06-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/23/13/7031
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author Salma Mostafa
Yun Wang
Wen Zeng
Biao Jin
author_facet Salma Mostafa
Yun Wang
Wen Zeng
Biao Jin
author_sort Salma Mostafa
collection DOAJ
description Plants have various self-defense mechanisms against biotic attacks, involving both physical and chemical barriers. Physical barriers include spines, trichomes, and cuticle layers, whereas chemical barriers include secondary metabolites (SMs) and volatile organic compounds (VOCs). Complex interactions between plants and herbivores occur. Plant responses to insect herbivory begin with the perception of physical stimuli, chemical compounds (orally secreted by insects and herbivore-induced VOCs) during feeding. Plant cell membranes then generate ion fluxes that create differences in plasma membrane potential (<i>V</i>m), which provokes the initiation of signal transduction, the activation of various hormones (e.g., jasmonic acid, salicylic acid, and ethylene), and the release of VOCs and SMs. This review of recent studies of plant–herbivore–infection interactions focuses on early and late plant responses, including physical barriers, signal transduction, SM production as well as epigenetic regulation, and phytohormone responses.
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spelling doaj.art-e160d904112c476eb7039ade07500fc52023-11-23T20:06:54ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672022-06-012313703110.3390/ijms23137031Plant Responses to Herbivory, Wounding, and InfectionSalma Mostafa0Yun Wang1Wen Zeng2Biao Jin3College of Horticulture and Plant Protection, Yangzhou University, Yangzhou 225012, ChinaCollege of Horticulture and Plant Protection, Yangzhou University, Yangzhou 225012, ChinaCollege of Horticulture and Plant Protection, Yangzhou University, Yangzhou 225012, ChinaCollege of Horticulture and Plant Protection, Yangzhou University, Yangzhou 225012, ChinaPlants have various self-defense mechanisms against biotic attacks, involving both physical and chemical barriers. Physical barriers include spines, trichomes, and cuticle layers, whereas chemical barriers include secondary metabolites (SMs) and volatile organic compounds (VOCs). Complex interactions between plants and herbivores occur. Plant responses to insect herbivory begin with the perception of physical stimuli, chemical compounds (orally secreted by insects and herbivore-induced VOCs) during feeding. Plant cell membranes then generate ion fluxes that create differences in plasma membrane potential (<i>V</i>m), which provokes the initiation of signal transduction, the activation of various hormones (e.g., jasmonic acid, salicylic acid, and ethylene), and the release of VOCs and SMs. This review of recent studies of plant–herbivore–infection interactions focuses on early and late plant responses, including physical barriers, signal transduction, SM production as well as epigenetic regulation, and phytohormone responses.https://www.mdpi.com/1422-0067/23/13/7031airborne signalingepigenetic regulationintracellular signalingphysical barrierplant–herbivore interactionsecondary metabolite
spellingShingle Salma Mostafa
Yun Wang
Wen Zeng
Biao Jin
Plant Responses to Herbivory, Wounding, and Infection
International Journal of Molecular Sciences
airborne signaling
epigenetic regulation
intracellular signaling
physical barrier
plant–herbivore interaction
secondary metabolite
title Plant Responses to Herbivory, Wounding, and Infection
title_full Plant Responses to Herbivory, Wounding, and Infection
title_fullStr Plant Responses to Herbivory, Wounding, and Infection
title_full_unstemmed Plant Responses to Herbivory, Wounding, and Infection
title_short Plant Responses to Herbivory, Wounding, and Infection
title_sort plant responses to herbivory wounding and infection
topic airborne signaling
epigenetic regulation
intracellular signaling
physical barrier
plant–herbivore interaction
secondary metabolite
url https://www.mdpi.com/1422-0067/23/13/7031
work_keys_str_mv AT salmamostafa plantresponsestoherbivorywoundingandinfection
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AT wenzeng plantresponsestoherbivorywoundingandinfection
AT biaojin plantresponsestoherbivorywoundingandinfection