TABLE 1.

Antimicrobial susceptibility profiles of E. coli DH5α pMBLe producing NDM-1 and its variants at loop L3

Variant	MIC (mg/liter)
	Imipenem	Meropenem	Piperacillin	Cefotaxime	Ceftazidime	Cefepime
NDM-1	4	2	128	64	1,024	16
L3IMP	2	1	64	16	256	16
L3VIM	1	1	64	32	256	2
L3Pro	1	1	16	64	256	0.5
DH5α pMBLe	0.25	0.03	2	0.03	0.25	0.016