The Characterization of OXA-232 Carbapenemase-Producing ST437 Klebsiella pneumoniae in China

Table 1

In vitro activities of antimicrobial agents against K. pneumoniae NB5306 and their transformants.

	Strain	NB5306	NB5306-D	E. coli DH5α	KP1-T [8]	KP1 [8]
	β-Lactamase (s)	OXA-232, TEM-1B, SHV-11, and CTX-M-55	OXA-232	OXA-232	OXA-232, SHV-1, and CTX-M-15
MIC (mg/L)	Ertapenem	8	1	0.03	0.25	32
	Meropenem	2	0.12	0.03	0.12	4
	Imipenem	0.25	0.5	0.06	2	1
	Cefotaxime	128
	Ceftriaxone	256
	Piperacillin/tazobactam	256
	Amikacin	256
	Gentamicin	256
	Tobramycin	32
	Ciprofloxacin	32
	Levofloxacin	32
	Fosfomycin	8
	Colistin	0.03
	Tigecycline	0.25

NB5306: K. pneumonia NB5306; NB5306-D: DH5α chemical transformant of NB5306; KP1-T: DH5α electrotransformant of K. pneumonia KP1; KP1 = K. pneumonia KP1.