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XB-ART-49722
Biosci Biotechnol Biochem 2015 Jan 01;791:59-62. doi: 10.1080/09168451.2014.951028.
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Inhibition by acrolein of light-induced stomatal opening through inhibition of inward-rectifying potassium channels in Arabidopsis thaliana.

Islam MM , Ye W , Matsushima D , Khokon MA , Munemasa S , Nakamura Y , Murata Y .


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Acrolein is a reactive α,β-unsaturated aldehyde derived from lipid peroxides, which are produced in plants under a variety of stress. We investigated effects of acrolein on light-induced stomatal opening using Arabidopsis thaliana. Acrolein inhibited light-induced stomatal opening in a dose-dependent manner. Acrolein at 100 μM inhibited plasma membrane inward-rectifying potassium (Kin) channels in guard cells. Acrolein at 100 μM inhibited Kin channel KAT1 expressed in a heterologous system using Xenopus leaves oocytes. These results suggest that acrolein inhibits light-induced stomatal opening through inhibition of Kin channels in guard cells.

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Species referenced: Xenopus laevis
Genes referenced: kin kyat1