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

Md. Sarwar JAHAN; Ken’ichi OGAWA; Yoshimasa NAKAMURA; Yasuaki SHIMOISHI; Izumi C. MORI; Yoshiyuki MURATA

doi:10.1271/bbb.80407

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

Md. Sarwar JAHAN, Ken’ichi OGAWA, Yoshimasa NAKAMURA, Yasuaki SHIMOISHI, Izumi C. MORI, Yoshiyuki MURATA

著者情報

キーワード: abscisic acid, glutathione, reactive oxygen species, stomatal closing

ジャーナルフリー早期公開

論文ID: 80407

DOI https://doi.org/10.1271/bbb.80407

この記事には本公開記事があります。

The final version of this article is now available: Vol. 72 (2008) , No. 10 p.2795

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抄録

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.

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