Table 2.
Genes of Resistance Detected Among the Antimicrobial-Resistant Salmonella enterica Strains
| |
Genes detected by PCR (number of strains) |
|
|---|---|---|
| Phenotype of resistance (number of strains) | Integron-positive strains (n=11) | Integron-negative strains (n=26) |
| Ampicillin (12) | blaTEM (3) | blaTEM (8) |
| Sulfonamides (17) |
sul1 (2) sul3 (4) sul1+sul3 (1) sul2+sul3 (2) sul1+sul2+sul3 (1) |
sul1 (0) sul3 (6) sul1+sul3 (1) |
| Streptomycin (33) |
strA-strB (0) aadA (8) strA-strB+aadA (3) |
strA-strB (6) aadA (9) strA-strB+aadA (3) |
| Kanamycin (4) | aph(3′)-Ia (0) | aph(3′)-Ia (3) |
| Chloramphenicol (7) | cmlA (4) | cmlA (1) |
| Tetracycline (21) | tet(A) (5) | tet(A) (10) |
PCR, polymerase chain reaction.