Stomatal closure by fast abscisic acid signaling is mediated by the guard cell anion channel SLAH3 and the receptor RCAR1.
Sci Signal. 2011; 4:ra32
Geiger D, Maierhofer T, Al-Rasheid KA, Scherzer S, ..., Marten I, Grill E, Romeis T, Hedrich R. Geiger D, Maierhofer T, Al-Rasheid KA, Scherzer S, Mumm P, Liese A, Ache P, Wellmann C, Marten I, Grill E, Romeis T, Hedrich R. Sci Signal. 2011; 4:ra32
This stimulating paper provides new information on both the transduction pathway of the plant stress hormone abscisic acid (ABA), which regulates stomatal aperture and transpirational water loss, and the mechanisms of anion channels and anion secretion in plants.
Under drought conditions, activation of anion channels in guard...
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