In this study, by analysis of genome structures of E. coli, the relationships Between the genomic types of E. coli and t......

为了明确23SrRNA基因数量和定位是否可更好地揭示根瘤菌参比菌株的系统发育关系，采用I-CeuI酶切和脉冲场凝胶电泳（PFGE）结合的方法，对......