METHODS: The expressions of global regulators (agr, sarA and sigB) in biofilm cells of S. epidermidis 1457 with and without erythromycin resistance were detected by SYBR green I real-time RT-PCR.

• 方法:采用实时荧光定量RT-PCR对表皮葡葡球菌1457生物被膜内细菌红霉素作用前后全面调节子(agr；sarA；sigB)的表达进行检测.