TABLE 1.

Susceptibility profiles conferred by aph(2")-Ib and/or aac(6′)-Im cloned in the vector pBluescript in E. coli DH5α

Aminoglycoside	MIC (μg/ml)
	aph(2")-Ib + aac(6′)-Im	aph(2")-Ib	aac(6′)-Im	DH5α(pBluescript)	E. coli SCH92111602
Gentamicin	64	64	0.25	0.125	128
Tobramycin	512	32	8.0	0.5	256
Amikacin	32	2.0	8.0	0.25	32
Neomycin	2.0	0.5	1.0	0.5	1.0
Dibekacin	512	32	16	0.5	≥512
Netilmicin	128	64	4.0	0.125	64
Kanamycin A	≥2,048	512	64	0.5	≥512
Arbekacin	4.0	4.0	0.25	0.125	4.0