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Review
. 2010 Apr;33(4):453-67.
doi: 10.1111/j.1365-3040.2009.02041.x. Epub 2009 Aug 27.

Reactive oxygen species homeostasis and signalling during drought and salinity stresses

Gad Miller  1 , Nobuhiro Suzuki, Sultan Ciftci-Yilmaz, Ron Mittler
Affiliations
Free article
Review

Reactive oxygen species homeostasis and signalling during drought and salinity stresses

Gad Miller et al. Plant Cell Environ. 2010 Apr.
Free article

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.

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