Table 2.
Distribution of resistance genes to ciprofloxacin and colistin antibiotics in E. coli strains.
| Strains Resistant to Ciprofloxacin | Genes Studied | Antibiotic Patterns | |||
|---|---|---|---|---|---|
| qnr A | qnr B | mcr-1 | |||
|
E. coli isolated from patients with colorectal cancer |
S1 | + | -- | - | CIP (R), AMK(S), CO(S), SXT(R), CAZ(S), FEP(S), IPM(S), PIP(R) |
| S2 | + | + | - | CIP (R), AMK(R), CO(S), SXT(S), CAZ(S), FEP(R), IPM(S), PIP(R) | |
| S3 | -- | + | - | CIP (R), AMK(S), CO(S), SXT(R), CAZ(S), FEP(S), IPM(S), PIP(R) | |
| S4 | + | -- | - | CIP (R), AMK(R), CO(S), SXT(S), CAZ(R), FEP(R), IPM(S), PIP(R) | |
| S5 | -- | + | - | CIP (R), AMK(S), CO(S), SXT(S), CAZ(S), FEP(R), IPM(S), PIP(R) | |
| S6 | + | + | - | CIP (R), AMK(R), CO(S), SXT(R), CAZ(S), FEP(S), IPM(S), PIP(R) | |
| S7 | -- | + | - | CIP (R), AMK(R), CO(S), SXT(S), CAZ(R), FEP(R), IPM(S), PIP(R) | |
| S8 | + | -- | - | CIP (R), AMK(S), CO(S), SXT(S), CAZ(R), FEP(S), IPM(S), PIP(R) | |
| S9 | + | + | - | CIP (R), AMK(R), CO(S), SXT(R), CAZ(S), FEP(R), IPM(S), PIP(R) | |
| S10 | + | + | - | CIP (R), AMK(S), CO(S), SXT(S), CAZ(R), FEP(S), IPM(S), PIP(R) | |
|
E. coli isolated from patients with IBD |
S11 | + | + | - | CIP (R), AMK(S), CO(S), SXT(R), CAZ(S), FEP(R), IPM(S), PIP(R) |
| S12 | + | -- | - | CIP (R), AMK(R), CO(S), SXT(S), CAZ(R), FEP(S), IPM(S), PIP(S) | |
| S13 | + | -- | - | CIP (R), AMK(S), CO(S), SXT(S), CAZ(S), FEP(S), IPM(S), PIP(R) | |
|
E. coli isolated healthy subjects |
S14 | + | + | - | CIP (R), AMK(R), CO(S), SXT(S), CAZ(S), FEP(S), IPM(S), PIP(S) |
Abbreviations: CIP; Ciprofloxacin. CO; Colistin. AMK; Amikacin. SXT; Trimethoprim/sulfamethoxazole. IPM; Imipenem. PIP; Piperacillin. CAZ; Ceftazidime. FEP; Cefepime S: Sensitive R: Resistance.