Inhibitory effects of methylglyoxal on light-induced stomatal opening and inward K + channel activity in arabidopsis

Tahsina Sharmin Hoque; Eiji Okuma; Misugi Uraji; Takuya Furuichi; Takayuki Sasaki; Md Anamul Hoque; Yoshimasa Nakamura; Yoshiyuki Murata

doi:10.1271/bbb.110885

Inhibitory effects of methylglyoxal on light-induced stomatal opening and inward K ⁺ channel activity in arabidopsis

Tahsina Sharmin Hoque, Eiji Okuma, Misugi Uraji, Takuya Furuichi, Takayuki Sasaki, Md Anamul Hoque, Yoshimasa Nakamura, Yoshiyuki Murata

Research output: Contribution to journal › Article › peer-review

27 Citations (Scopus)

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 (K _in) channels in guard-cell protoplasts and an Arabidopsis K _in 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.

Original language	English
Pages (from-to)	617-619
Number of pages	3
Journal	Bioscience, Biotechnology and Biochemistry
Volume	76
Issue number	3
DOIs	https://doi.org/10.1271/bbb.110885
Publication status	Published - 2012

Keywords

Arabidopsis
Inwardrectifying potassium channel
KAT1
Methylglyoxal
Stomatal opening

ASJC Scopus subject areas

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

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10.1271/bbb.110885

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Inhibitory effects of methylglyoxal on light-induced stomatal opening and inward K ⁺ channel activity in arabidopsis. / Hoque, Tahsina Sharmin; Okuma, Eiji; Uraji, Misugi; Furuichi, Takuya; Sasaki, Takayuki; Hoque, Md Anamul; Nakamura, Yoshimasa ; Murata, Yoshiyuki.

In: Bioscience, Biotechnology and Biochemistry, Vol. 76, No. 3, 2012, p. 617-619.

Research output: Contribution to journal › Article › peer-review

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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 (K in) channels in guard-cell protoplasts and an Arabidopsis K in 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.",

keywords = "Arabidopsis, Inwardrectifying potassium channel, KAT1, Methylglyoxal, Stomatal opening",

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note = "Funding Information: This study was supported by The Salt Science Research Foundation (YM) and a Grant-in-Aid for Scientific Research (YM) and for JSPS Fellows (MAH) from the Ministry of Education, Culture, Sports, Science and Technology of Japan.",

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AU - Furuichi, Takuya

AU - Sasaki, Takayuki

AU - Hoque, Md Anamul

AU - Nakamura, Yoshimasa

AU - Murata, Yoshiyuki

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