Tales from the underground: molecular plant-rhizobacteria interactions

被引:234
作者
Persello-Cartieaux, F
Nussaume, L
Robaglia, C
机构
[1] CSIC, Ctr Nacl Biotecnol, Dept Genet Mol Plantas, Madrid 28049, Spain
[2] CEA Cadarache, DSV, DEVM,Lab Metab CArbone, CNRS,UMR 163, F-13108 St Paul Les Durance, France
关键词
induced systemic resistance; plant growth-promoting rhizobacteria; rhizobacteria; rhizosphere;
D O I
10.1046/j.1365-3040.2003.00956.x
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Colonization of the rhizosphere by micro-organisms results in modifications in plant growth and development. This review examines the mechanisms involved in growth promotion by plant growth-promoting rhizobacteria which are divided into indirect and direct effects. Direct effects include enhanced provision of nutrients and the production of phytohormones. Indirect effects involve aspects of biological control: the production of antibiotics and iron-chelating siderophores and the induction of plant resistance mechanisms. The study of the molecular basis of growth promotion demonstrated the important role of bacterial traits (motility, adhesion and growth rate) for colonization. New research areas emerge from the discovery that molecular signalling occurs through plant perception of eubacterial flagellins. Recent perspectives in the molecular genetics of cross-talking mechanisms governing plant-rhizobacteria interactions are also discussed.
引用
收藏
页码:189 / 199
页数:11
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