TABLE 4.

Minimum inhibitory concentrations of antibiotics used in this study.

	MIC (μg/ml)
Antibiotic	WT	ΔabaI	ΔabaR	ΔabaIR	ΔabaI(pMEabaI)	ΔabaR(pMEabaR)	WT(pME6032)	WT(pMEabaI)	WT(pMEabaR)
Kanamycin	8	2	4	4	4	8	8	8	16
Gentamicin	4	1	4	0.25	2	4	4	4	4
Penicillin	128	64	64	32	64	64	64	64	128
Streptomycin	32	16	16	16	32	32	32	32	64
Meropenem	1	0.25	0.5	0.25	0.5	0.5	1	1	1
Imipenem	32	16	16	8	16	16	16	16	32
Ceftizoxime	8	8	8	8	8	8	8	8	16
Cefepime	2	8	8	2	8	8	8	8	8
Cefoperazone–sulbactam	2	8	2	2	8	4	2	4	4
Piperacillin–tazobactam	8	8	8	32	8	8	8	8	16
Vancomycin	>512	>512	128	>512	>512	>512	>512	>512	>512
Ampicillin	64	32	64	32	32	32	32	32	64
Tetracycline	2	8	2	2	8	4	4	4	4
Spectinomycin	64	64	64	64	64	64	64	64	64