Table 7 Resistance genes and phenotype relationship of Salmonella isolates
Drug classes | Quinolones | Aminoglycosides | Folate pathway inhibitors | β-lactamase | Tetracyclines | Chloramphenicols | ||
|---|---|---|---|---|---|---|---|---|
Ciprofloxacin Enrofloxacin | Gentamicin, Tobramycin Kanamycin, Neomycin Streptomycin | Sulfonamides | Trimethoprim | Penicillins | Cephalosporins | Tetracycline | Chloramphenicol Florfenicol | |
Resistance genes | qnr/qepA/oqxA/oqxB | aadA1/aac(6′)-Ib | sul1/sul2 | dfrA1 | blaOXA-1/blaPSE-1/blaTEM | blaCMY-2 | tetA/tetB/tetG | catA1/floR |
Number of isolates carrying drug-resistant genes | 23 | 41 | 22 | 12 | 34 | 1 | 59 | 48 |
Number of drug-resistant isolates | 12 | 33 | 59 | 24 | 60 | 0 | 65 | 39 |