Chitosan-induced stomatal closure accompanied by peroxidase-mediated reactive oxygen species production in Arabidopsis |
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| Authors: | Khokon Md Atiqur Rahman Uraji Misugi Munemasa Shintaro Okuma Eiji Nakamura Yoshimasa Mori Izumi C Murata Yoshiyuki |
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| Institution: | Graduate School of Natural Science and Technology, Division of Bioscience, Okayama University, Japan. |
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| Abstract: | Chitosan induced stomatal closure in wild type-plants and NADPH oxidase knock-out mutants (atrbohD atrbohF), and reactive oxygen species (ROS) production in wild-type guard cells. Closure and production were completely abolished by catalase and a peroxidase inhibitor. These results indicate that chitosan induces ROS production mediated by peroxidase, resulting in stomatal closure. |
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