Table 3: Prevalence and genotypic profiles of both AME single and co-producer gentamicin-resistant A. baumannii phenotypes.
| AMEs encoding genes |
Gentamicin-resistant A. baumannii phenotypes (79 isolates) |
| Genotypic profile |
No. (%)* |
| aphA6 |
64 (81%) |
| aacC1 |
42 (53.2%) |
| aadA1 |
43 (51.9%) |
| aadB |
28 (35.4%) |
| AME single-producer gentamicin-resistant A. baumannii (19 isolates) |
| Genotypic profile |
No. (%)** |
|
aacC1 alone |
2 (10.5) |
|
aadA1 alone |
1 (5.3) |
|
aadB alone |
1 (5.3) |
|
aphA6 alone |
15 (78.9) |
| AMEs co-producer gentamicin-resistant A. baumannii (60 isolates) |
| Genotypic profile |
No. (%)*** |
|
aacC1 + aadA1 + aadB + aphA6
|
5 (8.3) |
|
aacC1 + aadA1 + aphA6
|
24 (40) |
| aadA1 + aadB + aphA6 |
2 (3.3) |
| aacC1 + aadA1 |
8 (13.4) |
| aadA1 + aphA6 |
3 (5) |
| aadB + aphA6 |
10 (16.7) |
| aadB + aphA6 |
5 (8.3) |
| aacC1 + aadB |
3 (5) |
*Percentages correlated to the total number of gentamicin-resistant isolates (79 isolates).
**Percentages correlated to the total number of isolates harbor only one gene (19 isolates).
***Percentages correlated to the total number of isolates harbor more than one gene (60 isolates).