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Cited by 580

The DOI matches its Crossref record; 89 of the 89 references it cites were found in a registry or an index.

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

Open access
Zhang, Yanyan, Zhu, Huiying, Zhang, Qun, Li, Maoyin, Yan, Min, Wang, Rong, Wang, Liling, Welti, Ruth, Zhang, Wenhua, Wang, Xuemin·2009·The Plant Cell

Abstract

We determined the role of Phospholipase Dα1 (PLDα1) and its lipid product phosphatidic acid (PA) in abscisic acid (ABA)-induced production of reactive oxygen species (ROS) in Arabidopsis thaliana guard cells. The pldα1 mutant failed to produce ROS in guard cells in response to ABA. ABA stimulated NADPH oxidase activity in wild-type guard cells but not in pldα1 cells, whereas PA stimulated NADPH oxidase activity in both genotypes. PA bound to recombinant Arabidopsis NADPH oxidase RbohD (respiratory burst oxidase homolog D) and RbohF. The PA binding motifs were identified, and mutation of the Arg residues 149, 150, 156, and 157 in RbohD resulted in the loss of PA binding and the loss of PA activation of RbohD. The rbohD mutant expressing non-PA-binding RbohD was compromised in ABA-mediated ROS production and stomatal closure. Furthermore, ABA-induced production of nitric oxide (NO) was impaired in pldα1 guard cells. Disruption of PA binding to ABI1 protein phosphatase 2C did not affect ABA-induced production of ROS or NO, but the PA–ABI1 interaction was required for stomatal closure induced by ABA, H2O2, or NO. Thus, PA is as a central lipid signaling molecule that links different components in the ABA signaling network in guard cells.

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Metadata

Authors
Zhang, Y., Zhu, H., Zhang, Q., Li, M., Yan, M., Wang, R., Wang, L., Welti, R., Zhang, W., & Wang, X.
Venue
The Plant Cell
Published
2009-08-01
Volume
21
Issue
8
Pages
2357-2377
ISSN
  • 1040-4651 (ISSN-L)
  • 1532-298X
OpenAlex
W2164534658
Cited by
580
References
89
FWCI
30.60
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Phospholipase Dα1 and Phosphatidic Acid Regulate NADPH Oxidase Activity and Production of Reactive Oxygen Species in ABA-Mediated Stomatal Closure in Arabidopsis. https://app.cochat.ai/papers/10.1105/tpc.108.062992
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Zhang, Y., Zhu, H., Zhang, Q., Li, M., Yan, M., Wang, R., Wang, L., Welti, R., Zhang, W., & Wang, X. (2009). Phospholipase Dα1 and Phosphatidic Acid Regulate NADPH Oxidase Activity and Production of Reactive Oxygen Species in ABA-Mediated Stomatal Closure in Arabidopsis. The Plant Cell. https://doi.org/10.1105/tpc.108.062992

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