期刊
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY
卷 75, 期 10, 页码 2034-2036出版社
OXFORD UNIV PRESS
DOI: 10.1271/bbb.110344
关键词
abscisic acid; catalase; guard cells; hydrogen peroxide; [Ca2+](cyt) oscillation
类别
资金
- Ministry of Education, Culture, Sports, Science, and Technology of Japan
- Nissan Science Foundation
We investigated the roles of catalase (CAT) in abscisic acid (ABA)-induced stomatal closure using a cat2 mutant and an inhibitor of CAT, 3-aminotriazole (AT). Constitutive reactive oxygen species (ROS) accumulation due to the CAT2 mutation and AT treatment did not affect stomatal aperture in the absence of ABA, whereas ABA-induced stomatal closure, ROS production, and [Ca2+](cyt) oscillation were enhanced.
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