OPEN STOMATA1 Opens the Door to ABA Signaling in Arabidopsis Guard Cells

Overview

Journal Trends Plant Sci

Specialty Biology

Date 2003 Apr 25

PMID 12711225

Citations 45

Authors

Sarah M Assmann

Affiliations

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Abstract

The plant hormone abscisic acid plays a crucial role in plant responses to drought, salinity and cold. A recent report shows that mutations in the OST1 gene, encoding a serine-threonine protein kinase, render Arabidopsis thaliana guard cells insensitive to abscisic acid, such that stomata remain open in the presence of this phytohormone.

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