Genealogy of legume-Rhizobium symbioses

被引：59

作者：

Broughton, WJ ^{[1
]}

Perret, X ^{[1
]}

机构：

[1] Univ Geneva, Lab Biol Mol Plantes Super, CH-1292 Chambesy Geneve, Switzerland

来源：

CURRENT OPINION IN PLANT BIOLOGY | 1999年 / 2卷 / 04期

关键词：

D O I：

10.1016/S1369-5266(99)80054-5

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Accumulating evidence suggests that lateral transfer of nodulation capacity is an important driving force in symbiotic evolution. As a consequence, many distantly related soil bacteria have acquired the capacity to invade plants and fix nitrogen within them. In addition to these proteins required for bacteroid development and nitrogen fixation, care symbiotic competence seems to require flavonoids, NodD proteins, lipochitooligosaccharidic Nod-factors, extra-cellular polysaccharides, as well as various exported proteins. Plants respond to different levels and combinations of these substances in species specific ways. After contact has been initiated by flavonoids and NodD proteins, constant signal exchange fine-tunes these symbiotic demands, especially to overcome defence reactions.

引用

页码：305 / 311

页数：7

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