Table 2. The susceptibility for strains of E. coli J53Az^R, Kp1241, Kp1769, and transconjugants (J53Az^R-Kp1241 and J53Az^R-Kp1769).

Antimicrobial agent	MIC (µg/mL)
	E.coli J53AzR	Kp1241	Kp1769	J53AzR-Kp1241	J53AzR-Kp1769
Ciprofloxacin	0.0025	16	0.25	4	0.0625
Levofloxacin	0.0025	16	0.25	8	0.625
Amikacin	0.25	128	2	32	1
Tobramycin	0.025	64	1	32	0.5
Gentamicin	0.25	32	1	16	0.5
Ampicillin	0.050	64	128	32	32
Aztreonam	0.50	128	2	32	1
Cefotetan	0.0125	128	64	32	16
Cefazolin	0.50	128	64	64	16
Cefepime	0.0125	128	1	32	0.625
Ceftazidime	0.050	16	2	8	1
Ceftriaxone	0.025	128	16	32	4
Imipenem	0.25	16	2	8	1
Meropenem	0.25	16	2	8	1
Ertapenem	0.50	32	4	16	2
Ampicillin/Sulbactam	0.050	128	64	32	16
Piperacillin/Tazobactam	0.025	256	16	64	4
Cefoperazone/Sulbactam	0.0125	128	2	32	0.5
Polymyxin B	0.006	0.5	0.25	0.125	0.0625
Colistin	0.0125	1	0.5	0.25	0.125

Clinical breakpoints of MICs for the antimicrobial agents see the reference [25].