The numbers of different nucleotides within the compared fragment were 5, 11, 24, 24, 29, 29, 30, 35 between ESG 2062 and Bradyrhizobium japonicum, B. elkanii, Azorhizobium caulinodans, Rhizobium fredii, R.

• 结果表明；ESG与Bradyrhizobium japonicum、B.；elkanii分别有5、11个碱基序列差异；系统发育关系较近;