Table 3.
Distribution of detected AMR genes in clinical and environmental E. coli isolates.
| AMR Genes | Overall n (%) |
Environmental n (%) |
Clinical n (%) |
|---|---|---|---|
| Trimethoprim | |||
| dfrA12 | 8 (13.8) | 1 (12.5) | 7 (87.5) |
| dfrA14 | 10 (17.2) | 0 (0.0) | 10 (100.0) |
| dfrA1 | 1 (1.7) | 0 (0.0) | 1 (100.0) |
| dfrA17 | 29 (50.0) | 6 (20.7) | 23 (79.3) |
| dfrA27 | 1 (1.7) | 1 (100.0) | 0 (0.0) |
| dfrB4 | 1 (1.7) | 0 (0.0) | 1 (100.0) |
| Sulphonamides | |||
| sul1 | 37 (63.7) | 7 (18.9) | 30 (81.1) |
| sul2 | 42 (72.4) | 7 (16.7) | 35 (83.3) |
| sul3 | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Tetracycline | |||
| tet (A) | 37 (63.7) | 6 (16.2) | 31 (83.2) |
| tet (B) | 17 (29.3) | 1 (5.9) | 16 (94.1) |
| tet (M) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Acquired quinolone resistance | |||
| qnrB1 | 3 (5.1) | 0 (0.0) | 3 (100) |
| qnrS1 | 3 (5.1) | 2 (66.7) | 1 (33.3) |
| qnrB6 | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| aac (6′)-ib-cr5 | 19 (32.7) | 3 (15.8) | 16 (84.2) |
| MLSB | |||
| mdf(A) | 58 (100.0) | 9 (17.6) | 42 (82.4) |
| erm(B) | 5 (8.6) | 0 (0.0) | 5 (100.0) |
| mph(A) | 38 (65.8) | 6 (16.2) | 31 (83.8) |
| Phenicols | |||
| catA1 | 8 (15.4) | 1 (12.5) | 7 (87.5) |
| catB3 | 8 (15.4) | 0 (0.0) | 8 (100.0) |
| floR | 1 (1.9) | 0 (0.0) | 1 (100.0) |
| cmlA1 | 1 (1.9) | 0 (0.0) | 1 (100.0) |
| Disinfectants | |||
| qacE | 43 (82.7) | 8 (19.0) | 34 (81.0) |
| sitABCD | 40 (76.9) | 7 (17.9) | 32 (82.1) |