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

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概要

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• 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.

• 社団法人 日本農芸化学会の論文

著者

• NAKAMURA Yoshimasa

  Graduate School of Natural Science and Technology, Okayama University

• SHIMOISHI Yasuaki

  Graduate School of Natural Science and Technology, Okayama University

• MURATA Yoshiyuki

  Graduate School of Natural Science and Technology, Okayama University

• JAHAN Md.

  Graduate School of Natural Science and Technology, Okayama University

• Nakamura Yoshimasa

  Okayama Univ. Okayama Jpn

• OGAWA Ken’ichi

  RIBS Okayama (Research Institute for Biological Sciences, Okayama)

• MORI Izumi

  Research Institute for Bioresources, Okayama University

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