Andam Cheryl P, Parker Matthew A
Department of Biological Sciences, State University of New York, Binghamton, NY 13902, USA.
Appl Environ Microbiol. 2007 Sep;73(17):5687-91. doi: 10.1128/AEM.01413-07. Epub 2007 Jul 6.
Phylogenetic analysis of rRNA gene, recA, nodA, nifD, and nifH sequences suggested that nitrogen-fixing symbionts from two populations of Lupinus texensis acquired the capacity for nodule symbiosis separately from other rhizobia in the alphaproteobacteria. Their closest 16S rRNA relatives were the nonsymbiotic taxa Chelatococcus, Bosea, and Balneomonas.
对rRNA基因、recA、nodA、nifD和nifH序列进行的系统发育分析表明,得克萨斯羽扇豆两个种群中的固氮共生菌与α-变形菌纲中的其他根瘤菌分别获得了根瘤共生能力。它们最相近的16S rRNA亲缘类群是非共生类群嗜金属球菌属、博斯氏菌属和嗜盐单细胞菌属。