Allyl isothiocyanate induces stomatal closure in Vicia faba

被引：27

作者：

Sobahan, Muhammad Abdus ^{[1
]}

Akter, Nasima ^{[1
]}

Okuma, Eiji ^{[1
]}

Uraji, Misugi ^{[1
]}

Ye, Wenxiu ^{[1
]}

Mori, Izumi C. ^{[1
]}

Nakamura, Yoshimasa ^{[1
]}

Murata, Yoshiyuki ^{[1
]}

机构：

[1] Okayama Univ, Grad Sch Environm & Life Sci, Okayama 7008530, Japan

来源：

BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY | 2015年 / 79卷 / 10期

关键词：

guard cells; stomatal closure; signaling; peroxidase; ARABIDOPSIS GUARD-CELLS; OXYGEN SPECIES PRODUCTION; ABSCISIC-ACID; METHYL JASMONATE; CYTOSOLIC ALKALIZATION; OXIDATIVE BURST; YEAST ELICITOR; GLUTATHIONE; PEROXIDASE; ABA;

D O I：

10.1080/09168451.2015.1045827

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Isothiocyanates are enzymatically produced from glucosinolates in plants, and allyl isothiocyanate (AITC) induces stomatal closure in Arabidopsis thaliana. In this study, we investigated stomatal responses to AITC in Vicia faba. AITC-induced stomatal closure accompanied by reactive oxygen species (ROS) and NO production, cytosolic alkalization and glutathione (GSH) depletion in V. faba. GSH monoethyl ester induced stomatal reopening and suppressed AITC-induced GSH depletion in guard cells. Exogenous catalase and a peroxidase inhibitor, salicylhydroxamic acid, inhibited AITC-induced stomatal closure, unlike an NAD(P)H oxidase inhibitor, diphenylene iodonium chloride. The peroxidase inhibitor also abolished the AITC-induced ROS production, NO production, and cytosolic alkalization. AITC-induced stomatal closure was suppressed by an NO scavenger, 2-(4-carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide, and an agent to acidify cytosol, butyrate. These results indicate that AITC-induced stomatal closure in V. faba as well as in A. thaliana and suggest that AITC signaling in guard cells is conserved in both plants.

引用

页码：1737 / 1742

页数：6

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