Characterization of the common nodulation genes of the photosynthetic Bradyrhizobium sp ORS285 reveals the presence of a new insertion sequence upstream of nodA

被引：33

作者：

Chaintreuil, C ^{[1
]}

Boivin, C ^{[1
]}

Dreyfus, B ^{[1
]}

Giraud, E ^{[1
]}

机构：

[1] AGRO M, CIRAD, IRD, Lab Symbioses Trop & Mediterraneennes, F-34398 Montpellier 5, France

来源：

FEMS MICROBIOLOGY LETTERS | 2001年 / 194卷 / 01期

关键词：

nodulation gene; photosynthetic Bradyrhizobium; nodA; insertion sequence; Aeschynomene;

D O I：

10.1111/j.1574-6968.2001.tb09450.x

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

We isolated and characterized nodA genes from photosynthetic and non-photosynthetic rhizobia nodulating the legume genus Aeschynomene, and found that the nodA sequence from photosynthetic stem-nodulating bacteria was phylogenetically distant from the other already described nodA genes. Characterization of the photosynthetic strain ORS285 common nod gene cluster (rodABC) showed, upstream of nodA, the presence of a new insertion sequence element belonging to the IS3 family and specific to a group of photosynthetic strains from Aeschynomene. (C) 2001 Federation of European Microbiological Societies. Published by Elsevier Science B.V. All rights reserved.

引用

页码：83 / 86

页数：4

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