Table 3.

Susceptibility of S. enterica serovar Typhimurium to several antibiotics.

Strain	MICs (μg/mL)
	AMK	GEN	APR	NEO	CRO	CEF	CEQ	ENR	CIP
JS	0.5	0.25	2	0.4	0.02	0.32	0.08	0.032	0.016
JSΔcpxR	0.125	0.0625	1	0.1	0.01	0.08	0.04	0.032	0.016
JSΔcpxR/pcpxR	0.5	0.25	4	0.4	0.04	0.32	0.16	0.032	0.016
JSΔcpxR/pcpxR*	0.125	0.0625	1	0.1	0.01	0.08	0.16	0.032	0.016
JSΔacrB	0.25	0.25	2	0.2	0.01	0.0025	0.02	0.001	0.001
JSΔacrBΔcpxR	0.0625	0.0625	0.5	6.4▴	0.01	0.00125	0.02	0.001	0.001
JSΔacrBΔcpxR/pcpxR	0.5	0.25	2	25.6▴	0.02	0.005	0.08	0.001	0.001
JSΔacrBΔcpxR/pcpxR▴	0.0625	0.0625	0.5	6.4▴	0.01	0.00125	0.04	0.001	0.001

AMK, Amikacin; GEN, Gentamycin; APR, Apramycin; NEO, Neomycin; CRO, Ceftriaxone; CEF, Ceftiofur; CEQ, Cefquinome; ENR, Enrofloxacin; CIP, Ciprofloxacin.

^▴High NEO resistance is present in strains because of the replacement of cpxR gene by kanamycin-resistant gene (ΔcpxR::kan).