Table 3.
Distribution of Aminoglycoside Resistance Determinants Among Different Sequence Types (STs)
| Sequence Types (STs) | Allelic Profile | Clonal Complex (CC) | No. of Isolates | Aminoglycoside Resistance Phenotypes | Hospital (No. of Isolates) | Aminoglycoside Resistance Determinants | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| cpn60 | fusA | gltA | pyrG | recA | rplB | rpoB | AK | CN | TOB | aphA1 | aphA6 | aacC1 | aadB | armA | ||||
| ST2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | CC2 | 38 | 30 | 37 | 35 | A (2), B (13), C (20), D (2), E (1) | 7 | 29 | 7 | 36 | 22 |
| ST103 | 7 | 3 | 2 | 1 | 7 | 1 | 4 | 4 | 4 | 4 | 4 | B (3), C (1) | – | 4 | – | 4 | – | |
| ST338 | 8 | 5 | 5 | 26 | 13 | 1 | 2 | 6 | 0 | 0 | 0 | C (6) | – | – | – | – | – | |
| ST589 | 1 | 1 | 2 | 1 | 9 | 1 | 1 | CC1 | 51 | 51 | 51 | 51 | A (28), B (1), C (5), D (15), E (2) | 8 | 40 | 5 | 16 | 18 |
| ST600 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | CC2 | 4 | 4 | 4 | 4 | A (4) | – | 4 | – | 4 | – |
| ST615 | 41 | 42 | 13 | 1 | 9 | 4 | 14 | 5 | 5 | 0 | 3 | D (5) | – | 5 | – | – | – | |
| ST642 | 1 | 1 | 1 | 1 | 9 | 1 | 1 | CC1 | 18 | 18 | 18 | 17 | A (18) | – | 13 | 5 | 17 | – |
| ST889 | 5 | 2 | 4 | 1 | 30 | 3 | 4 | 8 | 8 | 8 | 8 | B (2), C (4), D (2) | – | 8 | 6 | 8 | – | |
| ST1209 | 2 | 1 | 2 | 1 | 9 | 17 | 2 | 1 | 1 | 1 | 1 | A (1) | – | – | – | – | – | |
| NEW ST 1 | 1 | 3 | 10 | 1 | 137 | 4 | 1 | CC23 | 1 | 0 | 0 | 0 | A (1) | – | – | – | – | – |
| NEW ST 2 | 1 | 3 | 10 | 1 | 9 | 4 | 4 | CC23 | 1 | 0 | 0 | 0 | A (1) | – | – | – | – | – |
| NEW ST 3 | 1 | 3 | 10 | 1 | 137 | 4 | 4 | CC23 | 1 | 0 | 0 | 0 | A (1) | – | – | – | – | – |
| NEW ST 4 | 3 | 1 | 56 | 2 | 9 | 1 | 4 | 3 | 3 | 0 | 0 | B (1), D (1), E (1) | – | 3 | – | – | – | |
| NEW ST 5 | 2 | 1 | 2 | 1 | 9 | 1 | 4 | 1 | 0 | 0 | 0 | A (1) | 1 | – | – | – | – | |
| NEW ST 6 | 1 | 3 | 10 | 1 | 9 | 4 | 1 | CC23 | 1 | 1 | 1 | 1 | A (1) | – | – | – | – | – |
| Total | 143 | 125 | 124 | 124 | 16 | 106 | 23 | 85 | 40 | |||||||||