Endogenous abscisic acid is involved in methyl jasmonate-induced reactive oxygen species and nitric oxide production but not in cytosolic alkalization in Arabidopsis guard cells

被引：25

作者：

Ye, Wenxiu ^{[1
]}

Hossain, Mohammad Anowar ^{[1
]}

Munemasa, Shintaro ^{[1
]}

Nakamura, Yoshimasa ^{[1
]}

Mori, Izumi C. ^{[2
]}

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：

JOURNAL OF PLANT PHYSIOLOGY | 2013年 / 170卷 / 13期

关键词：

Arabidopsis thaliana; Cytosolic alkalization; Methyl jasmonate; Nitric oxide; Reactive oxygen species; INDUCED STOMATAL CLOSURE; INWARD-RECTIFIER; CYTOPLASMIC PH; K+ CHANNELS; ABA; ACCUMULATION; CA2+; ALKALINIZATION; FLURIDONE; PATHWAY;

D O I：

10.1016/j.jplph.2013.03.011

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

We recently demonstrated that endogenous abscisic acid (ABA) is involved in methyl jasmonate (MeJA)induced stomatal closure in Arabidopsis thaliana. In this study, we investigated whether endogenous ABA is involved in MeJA-induced reactive oxygen species (ROS) and nitric oxide (NO) production and cytosolic alkalization in guard cells using an ABA-deficient Arabidopsis mutant, aba2-2, and an inhibitor of ABA biosynthesis, fiuridon (FLU). The aba2-2 mutation impaired MeJA-induced ROS and NO production. FLU inhibited MeJA-induced ROS production in wild-type guard cells. Pretreatment with 0.1 mu M ABA, which does not induce stomatal closure in the wild type, complemented the insensitivity to MeJA of the aba2-2 mutant. However, MeJA induced cytosolic alkalization in both wild-type and aba2-2 guard cells. These results suggest that endogenous ABA is involved in MeJA-induced ROS and NO production but not in MeJA-induced cytosolic alkalization in Arabidopsis guard cells. (C) 2013 Elsevier GmbH. All rights reserved.

引用

页码：1212 / 1215

页数：4

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