The drug resistant mechanism of enterococcus may be either inherent by chromogene or be acquired by the processes of gene transfer(e.g.,plasmid,bacteriophage,transposon with DNA fragment).

• 肠球菌耐药机制包括由染色体基因决定的固有耐药、由染色体外的遗传单位如质粒、转座噬菌体、转座因子等携带DNA片段导致的获得性耐药。