Article
Calcium elevation-dependent and attenuated resting calcium-dependent abscisic acid induction of stomatal closure and abscisic acid-induced enhancement of calcium sensitivities of S-type anion and inward-rectifying K channels in Arabidopsis guard cells.
The Plant journal : for cell and molecular biology - 1 Jul 2009
Siegel Robert S, Xue Shaowu, Murata Yoshiyuki, Yang Yingzhen, Nishimura Noriyuki, Wang Angela, Schroeder Julian I
Abstract excerpt
Stomatal closure in response to abscisic acid depends on mechanisms that are mediated by intracellular [Ca2+] ([Ca2+]i), and also on mechanisms that are independent of [Ca2+]i in guard cells. In this study, we addressed three important questions with respect to these two predicted pathways in Arabidopsis thaliana. (i) How large is the relative abscisic acid (ABA)-induced stomatal closure response in the...
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