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Angiosperm Flora of India

Reactive oxygen species homeostasis and signalling during drought and salinity stresses

Publication Type:Journal Article
Year of Publication:2010
Authors:MILLER, GAD, Suzuki, N, CIFTCI-YILMAZ, SULTAN, Mittler, R
Journal:Plant, Cell & Environment
Volume:33
Issue:4
Date Published:2010
ISBN Number:1365-3040
Keywords:abiotic stress, osmotic stress, ROS metabolism, ROS signalling, scavenging
Abstract:

Water deficit and salinity, especially under high light intensity or in combination with other stresses, disrupt photosynthesis and increase photorespiration, altering the normal homeostasis of cells and cause an increased production of reactive oxygen species (ROS). ROS play a dual role in the response of plants to abiotic stresses functioning as toxic by-products of stress metabolism, as well as important signal transduction molecules. In this review, we provide an overview of ROS homeostasis and signalling in response to drought and salt stresses and discuss the current understanding of ROS involvement in stress sensing, stress signalling and regulation of acclimation responses.

URL:http://dx.doi.org/10.1111/j.1365-3040.2009.02041.x
Short Title:Plant, Cell & Environment
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