Deficient Glutathione in Guard Cells Facilitates Abscisic Acid-Induced Stomatal Closure but Does Not Affect Light-Induced Stomatal Opening

被引：36
|
作者：
Jahan, Md. Sarwar [1 ]
Ogawa, Ken'ichi [2 ]
Nakamura, Yoshimasa [1 ]
Shimoishi, Yasuaki [1 ]
Mori, Izumi C. [3 ]
Murata, Yoshiyuki [1 ]
机构：
[1] Okayama Univ, Grad Sch Nat Sci & Technol, Okayama 7008530, Japan
[2] RIBS Okayama, Kibichuo, Okayama 7161241, Japan
[3] Okayama Univ, Bioresources Res Inst, Okayama 7100046, Japan
来源：
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY | 2008年 / 72卷 / 10期
关键词：
abscisic acid; glutathione; reactive oxygen species; stomatal closing;
D O I：
10.1271/bbb.80407
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
We investigated the role of glutathione (GSH) in stomatal movements using a GSH deficient mutant, chlorinal-1 (ch1-1). Guard cells of ch1-1 mutants accumulated less GSH than wild types did. Light induced stomatal opening in ch1-1 and wild-type plants. Abscisic acid (ABA) induced stomatal closure in ch1-1 mutants more than wild types without enhanced reactive oxygen species (ROS) production. Therefore, GSH functioned downstream of ROS production in the ABA signaling cascade.
引用
收藏
页码：2795 / 2798
页数：4
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