Table 2.

MICs of different antibiotics and effects of sub-MICs onicaprom ::lacZ expression

AntibioticMIC (μg/ml) for S. epidermidis220Effect of sub-MICs onicaprom ::lacZ expression inS. epidermidis 220-1
Penicillin G0.1No effect
Oxacillin0.125No effect
Chloramphenicol0.25No effect
Clindamycin0.25No effect
Erythromycin702.5-fold increase
Gentamicin1No effect
Quinupristin-dalfopristin0.511-fold increase
Tetracycline0.59-fold increase
Ofloxacin0.5No effect
Vancomycin1No effect
Teicoplanin0.125No effect