Reactive Oxygen Species Signalling in Plant Stress Responses

Overview

Journal Nat Rev Mol Cell Biol

Specialties Cell Biology
Molecular Biology

Date 2022 Jun 27

PMID 35760900

Authors

Ron Mittler

Sara I Zandalinas

Yosef Fichman

Frank Van Breusegem

Affiliations

Soon will be listed here.

Abstract

Reactive oxygen species (ROS) are key signalling molecules that enable cells to rapidly respond to different stimuli. In plants, ROS play a crucial role in abiotic and biotic stress sensing, integration of different environmental signals and activation of stress-response networks, thus contributing to the establishment of defence mechanisms and plant resilience. Recent advances in the study of ROS signalling in plants include the identification of ROS receptors and key regulatory hubs that connect ROS signalling with other important stress-response signal transduction pathways and hormones, as well as new roles for ROS in organelle-to-organelle and cell-to-cell signalling. Our understanding of how ROS are regulated in cells by balancing production, scavenging and transport has also increased. In this Review, we discuss these promising developments and how they might be used to increase plant resilience to environmental stress.

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