图2. 根瘤菌系统发育树 ①慢生型根瘤菌属,②根瘤菌属,③葡萄球菌属。各参比菌株后面括号里是 16S rRNA 基因全序列在基因库中的登录号
Fig. 2. Phylogenetic tree of the rhizobium strains ①, ② and ③ represent Bradyrhizobium, Rhizobium and Staphylococcus, respectively. The number in the bracket was the 16S rRNA accession number of each reference stain in GenBank