dna homology造句

• Results of g + c mol % test shown that all slow - growing isolates were belong to the same species . more than 70 % dna - dna homologies were determined among 4 representative strains usda6 , and usda110 ( type strains of b . japonicum ) . low dna homologies were detected with usda76 ( type strain of b . elkanii )
  中l习花生根瘤菌遗传多样性和系统发育研究g + cmol %和dna一dna同源性分析结果表明，供试花生根瘤菌代表菌株的tm和g + cmol %均小于种内变异l隔度，表明供试花生根瘤菌均属j二一个种。
• The sds - page electropheresis of whole - cell proteins was applied in classification of 71 strains isolated from astragalus spp . . it was showed that the technique is a simple and rapid method in classification of rhizobia . the similarity of strains in the same group is 78 % , and dna homology is above 70 %
  采用sds page技术对71株黄芪根瘤菌进行了全细胞蛋白的聚类分析.结果表明，这是进行根瘤菌分类时一种简便快速的分群方法，分群的菌株相似性水平为78 ，群内菌株的dna同源性70