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

页码：2795 / 2798

页数：4

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