| Effects of Depletion of Glutathione on Abscisic Acid- and Methyl Jasmonate-Induced Stomatal Closure in Arabidopsis thaliana. | |
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MedLine Citation:
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PMID: 23132563 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Glutathione (GSH) is involved in abscisic acid (ABA)- and methyl jasmonate (MeJA)-induced stomatal closure in Arabidopsis thaliana. In this study, we examined the effects of GSH-decreasing chemicals, p-nitrobenzyl chloride (PNBC), iodomethane (IDM), and ethacrynic acid (EA), on ABA- and MeJA-induced stomatal closure in Arabidopsis. Treatments with PNBC, IDM, and EA decreased GSH contents in guard cells. Depletion of GSH by PNBC and IDM enhanced ABA- and MeJA-induced stomatal closure and inhibition of light-induced stomatal opening by ABA, whereas EA did not enhance either ABA- and MeJA-induced stomatal closure or inhibition of light-induced stomatal opening by ABA. Depletion of GSH did not significantly increase the production of the reactive oxygen species (ROS), cytosolic alkalization, or cytosolic Ca(2+) oscillation induced by ABA and MeJA. These results indicate that depletion of GSH enhances ABA- and MeJA-induced stomatal closure without affecting ROS production, cytosolic alkalization, or cytosolic Ca(2+) oscillation in guard cells of Arabidopsis. |
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Authors:
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Nasima Akter; Muhammad Abdus Sobahan; Misugi Uraji; Wenxiu Ye; Mohammad Anowar Hossain; Izumi C Mori; Yoshimasa Nakamura; Yoshiyuki Murata |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-11-07 |
Journal Detail:
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Title: Bioscience, biotechnology, and biochemistry Volume: - ISSN: 1347-6947 ISO Abbreviation: Biosci. Biotechnol. Biochem. Publication Date: 2012 Nov |
Date Detail:
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Created Date: 2012-11-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9205717 Medline TA: Biosci Biotechnol Biochem Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Division of Bioscience, Graduate School of Natural Science and Technology, Okayama University. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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