Table 2.
Amikacin resistance genes found in the Egyptian A. baumannii isolates and their correlation to observed amikacin resistance.
| Aminoglycoside Resistance Determinants | No. of Isolates | GC | AMKR |
|---|---|---|---|
| None | 15 | 2 and 9 | 86.7% |
| aph(3′)-VI only | 3 | 2 and 4 | 100.0% |
| aac(6′)-Ib10 only | 2 | 5 | 50.0% |
| armA only | 2 | 2 and 7 | 50.0% |
| armA + aac(6′)-Ib9 | 2 | 2 | 100.0% |
| armA + aph(3′)-VI | 6 | 2 and 4 | 66.7% |
| aph(3′)-VI + aac(6′)-Ib10 | 7 | 5 and 9 | 0.0% |
| aph(3′)-VI + aac(6′)-Ib3 | 1 | 5 | 0.0% |
| aph(3′)-VI + aac(6′)-Ib10 + armA | 1 | 2 | 0.0% |
| aph(3′)-VI + aac(6′)-Ib9 + armA | 7 | 2 | 100.0% |
AMKR, amikacin resistance.