Table 1.

MIC values of antimicrobials for E. fergusonii 6S41-1, 5ZF15-2-1, transconjugant 5ZF15-2-1-E. coli 600 and recipient strain E. coli 600.

Antimicrobials	MIC values (mg/L)
	E. fergusonii 6S41-1	E. fergusonii 5ZF15-2-1	5ZF15-2-1-E. coli 600	E. coli 600
Amoxicillin/clavulanate	4/2	4/2	8/4	8/4
Piperacillin/tazobactam a	1/4	0.25/4	2/4	4/4
Ceftazidime	0.25	0.25	0.5	0.5
Ceftriaxone	≤0.03	≤0.03	≤0.03	≤0.03
Cefepime	≤0.008	≤0.008	≤0.008	≤0.008
Cefotaxime	0.03	0.03	0.06	0.03
Ciprofloxacin	0.5	≤0.004	0.25	0.25
Levofloxacin	1	0.03	0.25	0.25
Imipenem	0.125	0.125	0.5	0.5
Meropenem	0.015	0.015	0.03	0.03
Trimethoprim/ sulfamethoxazole	0.125/2.375	0.125/2.375	0.125/2.375	0.125/2.375
Amikacin	>4	4	2	2
Gentamicin	128	1	0.5	0.5
Aztreonam	0.06	≤0.03	0.06	0.125
Chloramphenicol	>64	4	4	4
Colistin	8	4	2	1
Tigecycline	0.125	≤0.03	≤0.03	≤0.03

^aTazobactam at a fixed concentration of 4mg/L.