Table 3.
Multidrug resistance phenotypes of E. coli isolates from wastewater treatment plant, soils and vegetables.
| No. of antimicrobials | Resistance pattern∗ | No. of isolates | MARI |
|---|---|---|---|
| Wastewater isolates (n = 21) | |||
| 4 | COX, RD, MTZ, VA | 5 | 0.3 |
| 5 | P, COX, MTZ, VA, E | 3 | 0.3 |
| 7 | AMP, P, COX, RD, MTZ, VA, CLA | 1 | 0.4 |
| 8 | P, COX, RD, MTZ, SMZ, VA, E, CLA | 1 | 0.4 |
| 10 | AMX, AMP, P, COX, RD, MTZ, SMZ, VA, E, CLA | 4 | 0.5 |
| 11 | AMP, P, COX, RD, MTZ, SMZ, TMP, VA, E, CLA, TE | 1 | 0.6 |
| 13 | AMX, AMP, P, COX, S, RD, MTZ, SMZ, TMP, VA, E, CLA, TE | 2 | 0.7 |
| 14 | AMX, AMP, P, COX, RD, MTZ, SMZ, TMP, VA, E, CLA, CIP, NOR, TE | 1 | 0.7 |
| 16 | AMX, AMP, P, COX, CXM, S, RD, MTZ, SMZ, TMP, VA, E, CLA, CIP, NOR, TE | 2 | 0.9 |
| 17 | AMX, AMP, P, COX, CXM, S, RD, MTZ, SMZ, TMP, VA, C, E, CLA, CIP, NOR, TE | 1 | 0.9 |
| Soil isolates (n=4) | |||
| 12 | AMX, AMP, P, COX, RD, MTZ, SMZ, TMP, VA, E, CLA, TE | 2 | 0.7 |
| 15 | AMX, AMP, P, COX, S, RD, MTZ, SMZ, TMP, VA, E, CLA, CIP, NOR, TE | 2 | 0.8 |
| Vegetable isolates (n=29) | |||
| 3 | AMP, COX, MTZ | 6 | 0.2 |
| 3 | COX, MTZ, E | 2 | 0.2 |
| 4 | COX, MTZ, CIP, NOR | 3 | 0.2 |
| 4 | COX, CXM, MTZ, C | 2 | 0.2 |
| 5 | AMX, COX, CXM, MTZ, C | 3 | 0.3 |
| 6 | COX, CXM, S, RD, MTZ, TE | 1 | 0.4 |
| 6 | COX, CXM, MTZ, C, CIP, NOR | 2 | 0.4 |
| 7 | AMP, P, COX, RD, MTZ, VA, E | 1 | 0.4 |
| 8 | AMP, P, COX, S, RD, MTZ, VA, E | 1 | 0.4 |
| 9 | AMP, P, COX, MTZ, SMZ, VA, E, CLA, TE | 2 | 0.5 |
| 10 | P, COX, CXM, RD, MTZ, SMZ, VA, C, E, CLA | 1 | 0.5 |
| 12 | AMP, AMX, P, COX, RD, MTZ, SMZ, TMP, VA, E, CLA,TE | 1 | 0.6 |
| 14 | AMP, AMX, P, COX, S, RD, MTZ, SMZ, TMP, VA, C, E, CLA, TE | 2 | 0.7 |
| 16 | AMP, AMX, P, COX, S, RD, MTZ, SMZ, TMP, VA, C, E, CLA, CIP, NOR, TE | 1 | 0.8 |
| 17 | AMP, AMX, P, COX, S, RD, CXM, MTZ, SMZ, TMP, VA, C, E, CLA, CIP, NOR, TE | 1 | 0.9 |
∗
Symbols: AMX: Amoxicillin; AMP: Ampicillin, P: Penicillin, COX Cloxacillin, CXM: Cefuroxime, S: Streptomycin, RD: Rifampicin, MTZ: Metronidazole, SMZ: Sulphamethoxazole, TMP: Trimethoprim, C: Chloramphenicol, E: Erythromycin, VA: Vancomycin, NOR: Norfloxacin, CIP: Ciprofloxacin, IPM: Imipenem, TE: Tetracycline, CLA: Clarithromycin.