Biochemistry, Department of
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ORCID IDs
0000-0003-2397-3131 (JEM)
Document Type
Article
Date of this Version
3-9-2012
Citation
Journal of Biological Chemistry (March 9, 2012) 287(11): 8,286–8,296
doi: 10.1074/jbcM111.274274
Abstract
Background: Sphingosine kinase (SPHK) and phospholipaseD(PLD) produce different lipid mediators involved in abscisic acid (ABA) response.
Results: Ablation of SPHKs and PLDα1 attenuates ABA-induced production of LCBPs and PA. Phyto-S1P closes stomata in sphk1, sphk2, but not in pldα1, whereas PA closes stomata in all mutants.
Conclusion: SPHK acts upstream of PLDα1, whereas PLDα1 promotes SPHK.
Significance: The roles of lipid messengers in the ABA signaling pathway are clarified.
Included in
Biochemistry Commons, Biotechnology Commons, Other Biochemistry, Biophysics, and Structural Biology Commons, Plant Biology Commons
Comments
Copyright 2012, American Society for Biochemistry and Molecular Biology. Used by permission.