Interplay Between ROS and Hormones in Plant Defense Against Pathogens
Rattachement africain : ir, it. Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
Reactive oxygen species (ROS) are toxic by-products of aerobic cellular metabolism. However, ROS conduct multiple functions, and specific ROS sources can have beneficial or detrimental effects on plant health. This review explores the complex dynamics of ROS in plant defense mechanisms, focusing on their involvement in basal resistance, hypersensitive response (HR), and systemic acquired resistance (SAR). ROS, including superoxide anion (O2−), singlet oxygen (1O2), hydroxyl radicals (OH), and hydrogen peroxide (H2O2), are generated through various enzymatic pathways. They may serve to inhibit pathogen growth while also activating defense-related gene expression as signaling molecules. Oxidative damage in cells is mainly attributed to excess ROS production. ROS produce metabolic intermediates that are involved in various signaling pathways. The oxidative burst triggered by pathogen recognition initiates hyper-resistance (HR), a localized programmed cell death restricting pathogen spread. Additionally, ROS facilitate the establishment of SAR by inducing systemic signaling networks that enhance resistance across the plant. The interplay between ROS and phytohormones such as jasmonic acid (JA), salicylic acid (SA), and ethylene (ET) further complicates this regulatory framework, underscoring the importance of ROS in orchestrating both local and systemic defense responses. Grasping these mechanisms is essential for creating strategies that enhance plant resilience to biotic stresses.
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
Le contrôle bibliographique ouvert
DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.
- Titre Crossref
- Interplay Between ROS and Hormones in Plant Defense Against Pathogens
- Date Crossref
- 25/04/2025
- Éditeur
- MDPI AG
- Type
- journal-article
Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.
Où se fait cette recherche
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Agricultural Research & Education Organization pays non établi dans la noticeOrganisation à but non lucratif
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Gorgan University of Agricultural Sciences and Natural Resources pays non établi dans la noticeUniversité ou école supérieure
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Shahid Bahonar University of Kerman Research and Technology Institute of Plant Production pays non établi dans la noticeUniversité ou école supérieure
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Isfahan University of Technology pays non établi dans la noticeUniversité ou école supérieure
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University of Milan Department of Agricultural and Environmental Sciences—Production pays non établi dans la noticeUniversité ou école supérieure
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Dryland Agricultural Research Institute (DARI) pays non établi dans la noticeStructure de recherche
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Faculty of Plant Production Department of Agronomy pays non établi dans la noticeUniversité ou école supérieure
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College of Agriculture Department of Agronomy and Plant Breeding pays non établi dans la noticeUniversité ou école supérieure
Agricultural Research & Education Organization, Gorgan University of Agricultural Sciences and Natural Resources et Research and Technology Institute of Plant Production — Shahid Bahonar University of Kerman, avec 5 autres affiliations.
Une affiliation ne permet pas de déduire la nationalité d’un auteur.