Antibiotic resistance and molecular characterization of the hydrogen sulfide-negative phenotype among diverse Salmonella serovars in China

Table 2 Multidrug resistance profiles of eight H₂S-negative MDR isolates

Serotype	Number of isolates	Antibiotic resistance profiles	Antimicrobial drug classes
Serotype	Number of isolates	Antibiotic resistance profiles	Aminoglycosides	Amphenicols	Folate pathway inhibitors	Nitrofurans	Penicillins	Quinolones	Tetracyclines
Typhimurium	1	GEN/CHL/SXT/NIT/AMP/TIC/TIM/LEV/NOR/TET	+	+	+	+	+	+	+
Typhimurium	1	GEN/CHL/SXT/AMP/PIP/TIC/TIM/LEV/NOR/TET	+	+	+		+	+	+
Give	1	GEN/TOB/CHL/SXT/AMP/TIC/TET	+	+	+		+		+
Choleraesuis	1	GEN/CHL/SXT/AMP/PIP/TIC/TET	+	+	+		+		+
Choleraesuis	2	GEN/SXT/AMP/TIC/TET	+		+		+		+
Choleraesuis	1	CHL/SXT/AMP/TIC/TET		+	+		+		+
Derby	1	CHL/SXT/TET		+	+				+

AMP ampicillin, CHL chloramphenicol, GEN gentamicin, LEV levofloxacin, NIT nitrofurantoin, NOR norfloxacin, PIP piperacillin, SXT trimethoprim/sulfamethoxazole, TET tetracycline, TIC ticarcillin, TIM ticarcillin/clavulanic acid, TOB tobramycin

ISSN: 1471-2334