Antimicrobial and anti-inflammatory effects of antimicrobial peptide Lf-KR against carbapenem-resistant Escherichia coli

Table 1 Antimicrobial susceptible test and β-lactamase of carbapenem resistant E. coli

strains	MIC (µg/mL)			MBC (µg/mL)	β-lactamase
strains	Lf-KR	IPM	MEM	Lf-KR	β-lactamase
DC 5147	8	8^R	8^R	8	KPC and CTX-M
DC 6729	4	4^R	4^R	4	NDM, TEM, and CTX-M
DC 7956	8	64^R	128^R	8	NDM, TEM, and CTX-M
DC 8439	4	8^R	32^R	8	NDM
DC 10495	4	8^R	32^R	4	NDM
DC 11712	4	16^R	8^R	4	CMY-42, TEM, CTX-M, and OXA
DC 11722	4	32^R	16^R	4	CMY-42, TEM, CTX-M, and OXA
DC 11723	8	16^R	32^R	16	NDM
DC 12843	8	4^R	16^R	16	NDM
DC 13281	8	8^R	32^R	8	NDM
ATCC 25922	4	0.06^S	0.03^S	8	/

IPM, imipenem; MEM, meropenem; MIC, the minimum inhibitory concentration; MBC, the minimum bactericidal concentration; R, resistant (≥ 4 µg/mL); S, susceptible (≤ 1 µg/mL)

ISSN: 1471-2180