AtNOA1 modulates nitric oxide accumulation and stomatal closure induced by salicylic acid in Arabidopsis

被引：29
|
作者：
Sun, Li Rong
Hao, Fu Shun [1 ]
Lu, Bao Shi
Ma, Li Ya
机构：
[1] Henan Univ, Lab Plant Stress Biol, Kaifeng, Peoples R China
来源：
PLANT SIGNALING & BEHAVIOR | 2010年 / 5卷 / 08期
基金：
中国国家自然科学基金;
关键词：
AtNOA1; nitric oxide; sali-cylic acid; stomatal closure; Arabidopsis;
D O I：
10.4161/psb.5.8.12293
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：
Phytohormone salicylic acid (SA) has been documented to induce nitric oxide (NO) generation and stomatal closure in plants. However, the cellular components mediating these processes are limited. Here, we report that NO synthesis in guard cells and stomatal closure are markedly induced by SA in Arabidopsis wild type plants, whereas these effects caused by SA are suppressed significantly in noa1 T-DNA mutant plants. These results suggest that AtNOA1 regulates SA-triggered NO accumulation and stomatal closure in Arabidopsis.
引用
收藏
页码：1022 / 1024
页数：3
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