Reactive Oxygen Species in Drought-Induced Stomatal Closure: The Potential Roles of NPR1

Overview

Journal Plants (Basel)

Date 2023 Sep 28

PMID 37765358

Authors

Xin-Cheng Li

Claire Chang

Zhen-Ming Pei

Affiliations

Soon will be listed here.

Abstract

Stomatal closure is a vital, adaptive mechanism that plants utilize to minimize water loss and withstand drought conditions. We will briefly review the pathway triggered by drought that governs stomatal closure, with specific focuses on salicylic acid (SA) and reactive oxygen species (ROS). We propose that the non-expressor of PR Gene 1 (NPR1), a protein that protects plants during pathogen infections, also responds to SA during drought to sustain ROS levels and prevent ROS-induced cell death. We will examine the evidence underpinning this hypothesis and discuss potential strategies for its practical implementation.

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