陈文峰的博客分享 http://blog.sciencenet.cn/u/陈文峰 专注于根瘤菌的研究

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"非常规"根瘤菌在豆科植物上结瘤

已有 3377 次阅读 2007-10-22 08:04 |个人分类:科研工作

Legume - Rhizobium associations are undoubtedly form the most important N2-fixing symbiosis and play a subtle role in contributing nitrogen and maintaining/improving soil fertility. A great diversity in the rhizobial species nodulating legumes has been recognized, which belongs to Alpha subgroup of proteobacteria covering the genera, Rhizobium, Sinorhizobium (renamed as Ensifer), Mesorhizobium, Bradyrhizobium and Azorhizobium. Recently, several non-rhizobial species, belonging to alpha and beta subgroup of Proteobacteria such as Methylobacterium, Blastobacter, Devosia, Phyllobacterium, Ochrobactrum, Agrobacterium, Cupriavidus, Herbaspirillum, Burkholderia and some gamma-Proteobacteria have been reported to form nodules and fix nitrogen in legume roots. The phylogenetic relationship of these non-rhizobial species with the recognized rhizobial species and the diversity of their hosts are discussed in this review.

下载全文:Non-rhizobial nodulation in legumes

另外,当前根瘤菌的分类系统见:http://www.sciencetimes.com.cn/blog/user_content.aspx?id=7507

 



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