The roles of catalase2 in abscisic acid signaling in arabidopsis guard cells

Rayhanur Jannat, Misugi Uraji, Miho Morofuji, Mohammad Anowar Hossain, Mohammad Muzahidul Islam, Yoshimasa Nakamura, Izumi C. Mori, Yoshiyuki Murata

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

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 [Ca 2+] cyt oscillation were enhanced.

Original languageEnglish
Pages (from-to)2034-2036
Number of pages3
JournalBioscience, Biotechnology and Biochemistry
Volume75
Issue number10
DOIs
Publication statusPublished - Oct 31 2011

Keywords

  • Abscisic acid
  • Catalase
  • Guard cells
  • Hydrogen peroxide
  • [Ca ] oscillation

ASJC Scopus subject areas

  • Biotechnology
  • Analytical Chemistry
  • Biochemistry
  • Applied Microbiology and Biotechnology
  • Molecular Biology
  • Organic Chemistry

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