Activity of guard cell anion channel SLAC1 is controlled by drought-stress signaling kinase-phosphatase pair

Geiger, Dietmar; Scherzer, Sönke; Mumm, Patrick; Stange, Annette; Marten, Irene; Bauer, Hubert; Ache, Peter; Matschi, Susanne; Liese, Anja; A. S. Al‐Rasheid, Khaled; Romeis, Tina; Hedrich, Rainer

doi:10.1073/pnas.0912021106

Public

Activity of guard cell anion channel SLAC1 is controlled by drought-stress signaling kinase-phosphatase pair

Published in Proceedings of the National Academy of Sciences • Dec 2, 2009

Authors:

Dietmar Geiger

Sönke Scherzer

Patrick Mumm

Abstract

In response to drought stress the phytohormone ABA (abscisic acid) induces stomatal closure and, therein, activates guard cell anion channels in a calcium-dependent as well as-independent manner. Two key components of the ABA signaling pathway are the protein kinase OST1 (open stomata 1) and the pro...

Subject

Guard cell

Phosphatase

Dephosphorylation

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