Journal
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY
Volume 74, Issue 11, Pages 2313-2315Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1271/bbb.100340
Keywords
chitosan; peroxidase; reactive oxygen species; stomatal closure; Arabidopsis
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Funding
- Ministry of Education, Culture, Sports, Science, and Technology of Japan
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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 stomata! closure.
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