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Bioscience, Biotechnology, and Biochemistry Volume 76, 2012 - Issue 3
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Original Articles

Inhibitory Effects of Methylglyoxal on Light-Induced Stomatal Opening and Inward K+ Channel Activity in Arabidopsis

Tahsina Sharmin HOQUEGraduate School of Natural Science and Technology, Okayama University
,
Eiji OKUMAGraduate School of Natural Science and Technology, Okayama University
,
Misugi URAJIGraduate School of Natural Science and Technology, Okayama University
,
Takuya FURUICHIInstitute of Plant Science and Resources, Okayama University
,
Takayuki SASAKIInstitute of Plant Science and Resources, Okayama University
,
Md. Anamul HOQUEGraduate School of Natural Science and Technology, Okayama University
,
Yoshimasa NAKAMURAGraduate School of Natural Science and Technology, Okayama University
&
Yoshiyuki MURATAGraduate School of Natural Science and Technology, Okayama University
 show all
Pages 617-619 | Received 21 Nov 2011, Accepted 20 Dec 2011, Published online: 22 May 2014
 
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Abstract

Methylglyoxal (MG) is a reactive aldehyde derived by glycolysis. In Arabidopsis, MG inhibited light-induced stomatal opening in a dose-dependent manner. It significantly inhibited both inward-rectifying potassium (Kin) channels in guard-cell protoplasts and an Arabidopsis Kin channel, KAT1, heterologously expressed in Xenopus oocytes. Thus it appears that MG inhibition of stomatal opening involves MG inhibition of K+ influx into guard cells.

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Related Research Data

GLYI4 Plays A Role in Methylglyoxal Detoxification and Jasmonate-Mediated Stress Responses in Arabidopsis thaliana.
Source: MDPI AG
Signaling Molecule Methylglyoxal Remits the Toxicity of Plumbum by Modifying Antioxidant Enzyme and Osmoregulation Systems in Wheat (Triticum aestivum L.) Seedlings
Source: Pleiades Publishing Ltd
Evaluation of the toxicity of stress-related aldehydes to photosynthesis in chloroplasts.
Source: Springer Science and Business Media LLC
The coronatine-insensitive 1 Mutation Reveals the Hormonal Signaling Interaction between Abscisic Acid and Methyl Jasmonate in Arabidopsis Guard Cells. Specific Impairment of Ion Channel Activation and Second Messenger Production
Source: American Society of Plant Biologists (ASPB)
Methylglyoxal, Triose Phosphate Isomerase, and Glyoxalase Pathway: Implications in Abiotic Stress and Signaling in Plants
Source: Springer New York
Phosphorylation of KAT1 channel
Source: Wiley
Protein Cross-linking by the Maillard Reaction ISOLATION, CHARACTERIZATION, AND IN VIVO DETECTION OF A LYSINE-LYSINE CROSS-LINK DERIVED FROM METHYLGLYOXAL
Source: American Society for Biochemistry & Molecular Biology (ASBMB)
Glyoxalase Goes Green: The Expanding Roles of Glyoxalase in Plants.
Source: MDPI AG
Glyoxalase and methylglyoxal as biomarkers for plant stress tolerance.
Source: Informa UK Limited
Role of the HOG MAP kinase pathway in the response to methylglyoxal
Source: Wiley
Methylglyoxal: An Emerging Signaling Molecule in Plant Abiotic Stress Responses and Tolerance
Source: Frontiers Media SA
Voltage dependence of K+ channels in guard-cell protoplasts
Source: Proceedings of the National Academy of Sciences

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