TABLE 1.

MICs of various antibiotics for growth of GBS 6313 and GBS mutant Sep1

Strain	MIC (μg/ml)
	β-lactams					Vancomycin	Quinolones		Aminoglycosides		Sulphonamide + trimethoprim (cotrimoxazole)
	Penicillin G	Carbapenems		Cephalosporins
		Imipenem	Meropenem	Cefotaxime	Ceftazidime		Ofloxacin	Ciprofloxacin	Gentamicin	Netilmicin
GBS 6313	0.064	0.064	0.023	0.032	0.75	0.50	16	4.0	382	>256	>32
GBS Sep1	0.012	0.006	0.003	0.006	0.094	0.38	2.0	0.50	8.0	1.5	0.094