Allyl isothiocyanate (AITC) induces stomatal closure in Arabidopsis

被引：86

作者：

Khokon, Md. Atiqur Rahman ^{[1
]}

Jahan, Md. Sarwar ^{[1
]}

Rahman, Taniya ^{[1
]}

Hossain, Mohammad Anowar ^{[1
]}

Muroyama, Daichi ^{[1
]}

Minami, Ikuko ^{[1
]}

Munemasa, Shintaro ^{[1
]}

Mori, Izumi C. ^{[2
]}

Nakamura, Yoshimasa ^{[1
]}

Murata, Yoshiyuki ^{[1
]}

机构：

[1] Okayama Univ, Grad Sch Nat Sci & Technol, Okayama 7008530, Japan

[2] Okayama Univ, Inst Plant Sci & Resources, Okayama 7100046, Japan

来源：

PLANT CELL AND ENVIRONMENT | 2011年 / 34卷 / 11期

关键词：

Ca2+](cyt) oscillation; glutathione; myrosinases; NO; ROS; OXYGEN SPECIES PRODUCTION; ABSCISIC-ACID; GUARD-CELLS; METHYL JASMONATE; PROTEIN-KINASE; ABA; GLUTATHIONE; THALIANA; CHANNELS; BIOSYNTHESIS;

D O I：

10.1111/j.1365-3040.2011.02385.x

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Isothiocyanates (ITCs) are degradation products of glucosinolates in crucifer plants and have repellent effect on insects, pathogens and herbivores. In this study, we report that exogenously applied allyl isothiocyanate (AITC) induced stomatal closure in Arabidopsis via production of reactive oxygen species (ROS) and nitric oxide (NO), and elevation of cytosolic Ca2+. AITC-induced stomatal closures were partially inhibited by an inhibitor of NADPH oxidase and completely inhibited by glutathione monoethyl ester (GSHmee). AITC-induced stomatal closure and ROS production were examined in abscisic acid (ABA) deficient mutant aba2-2 and methyl jasmonate (MeJA)-deficient mutant aos to elucidate involvement of endogenous ABA and MeJA. Genetic evidences have demonstrated that AITC-induced stomatal closure required MeJA priming but not ABA priming. These results raise the possibility that crucifer plants produce ITCs to induce stomatal closure, leading to suppression of water loss and invasion of fungi through stomata.

引用

页码：1900 / 1906

页数：7

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