Phospholipase Dα1 and Phosphatidic Acid Regulate NADPH Oxidase Activity and Production of Reactive Oxygen Species in ABA-Mediated Stomatal Closure in Arabidopsis

Zhang, Yanyan; Zhu, Huiying; Zhang, Qun; Li, Maoyin; Yan, Min; Wang, Rong; Wang, Liling; Welti, Ruth; Zhang, Wenhua; Wang, Xuemin

doi:10.1105/tpc.108.062992

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Phospholipase Dα1 and Phosphatidic Acid Regulate NADPH Oxidase Activity and Production of Reactive Oxygen Species in ABA-Mediated Stomatal Closure in Arabidopsis

Published in The Plant Cell • Aug 1, 2009

Authors:

Yanyan Zhang

Huiying Zhu

Qun Zhang

Abstract

We determined the role of Phospholipase Dalpha1 (PLDalpha1) and its lipid product phosphatidic acid (PA) in abscisic acid (ABA)-induced production of reactive oxygen species (ROS) in Arabidopsis thaliana guard cells. The pldalpha1 mutant failed to produce ROS in guard cells in response to ABA. ABA s...

Subject

Guard cell

Phosphatidic acid

NADPH oxidase

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