Induced Systemic Drought and Salt Tolerance by Pseudomonas chlororaphis O6 Root Colonization is Mediated by ABA-independent Stomatal Closure

被引：2
|
作者：
Cho, Song Mi [2 ]
Kang, Beom Ryong [3 ]
Kim, Jeong Jun [4 ]
Kim, Young Cheol [1 ]
机构：
[1] Chonnam Natl Univ, Dept Plant Biotechnol, Inst Environm Friendly Agr, Kwangju 500757, South Korea
[2] Chunnam Techno Coll, Dept Floriculture, Gokseong 516911, South Korea
[3] Jeollanamdo Agr Res & Extens Serv, Environm Friendly Agr Res Inst, Naju 520715, South Korea
[4] Rural Dev Adm, Natl Acad Agr Sci, Agr Microbiol Team, Suwon 441707, South Korea
来源：
PLANT PATHOLOGY JOURNAL | 2012年 / 28卷 / 02期
基金：
新加坡国家研究基金会;
关键词：
abiotic stress; induced tolerance to environmental stress; priming; stomatal closure; GENE-EXPRESSION; ARABIDOPSIS; ACID; RESISTANCE; BIOSYNTHESIS; TOBACCO;
D O I：
10.5423/PPJ.2012.28.2.202
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
Root colonization by the rhizobacterium Pseudomonas chlororaphis O6 in Arabidopsis thaliana Col-0 plants resulted in induced tolerance to drought and salinity caused by halide salt-generated ionic stress but not by osmotic stress caused by sorbitol. Stomatal apertures decreased following root colonization by P chlororaphis O6 in both wild-type and ABA-insensitive Arabidopsis mutant plants. These results suggest that an ABA-independent stomatal closure mechanism in the guard cells of P. chlororaphis O6-colonized plants could be a key phenotype for induced systemic tolerance to drought and salt stress.
引用
收藏
页码：202 / 206
页数：5
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