Table 1.

MICs (μg/mL) of a range of antibiotics. Medians of four replicates are reported.

β-Lactam	pBCSK(+) blaIMP-1	pBCSK(+) blaIMP-1-S115T	pBCSK(+) blaIMP-1-S119G	pBCSK(+) blaIMP-1-S115T-S119G	No Vector	Empty pBCSK(+)
Benzylpenicillin	128	64	128	256	32	32
Ampicillin	512	128	256	≥1024	4	4
Cephalothin	1024	1024	1024	512	16	16
Cefoxitin	≥1024	≥1024	≥1024	≥1024	8	8
Cefotaxime	128	128	64	128	8	8
Ceftazidime	512	128	128	256	0.063	0.063
Imipenem	8	8	8	8	0.25	0.25
Meropenem	16	8	4	16	0.125	0.125
Doripenem	16	16	4	32	0.125	0.125
Aztreonam	0.125	0.063	0.063	0.063	0.25	0.25