Table 9.
Prevalence of virulence genes (%) according to antibiotic resistance in 47 S. aureus isolates.
| Gene | Amox | Amp | Azith | Cefaz | Cipro | Clinda | Eryth | FusA | Imi | Levo | Moxi | Ox | Pen | Rif | SXT | Tetra | Tobra |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| fnbA | 71.7 * | 100 * | 19.6 | 69.6 * | 17.4 | 10.9 | 37 | 8.7 ** | 67.4 * | 10.9 ** | 15.2 | 65.2 * | 97.8 * | 4.3 ** | 4.3 ** | 6.4 ** | 10.6 |
| sdrC | 72.3 * | 100 * | 19.1 | 70.2 * | 17 | 10.6 | 36.2 | 8.5 ** | 68.1 * | 10.6 ** | 14.9 | 66 * | 97.9 * | 4.3 ** | 4.3 ** | 23.4 | 10.6 |
| sea | 100 * | 100 * | 33.3 | 100 * | 8.3 ** | 16.7 | 58.3 | 0.0 ** | 100 * | 8.3 ** | 16.7 | 100 * | 100 * | 8.3 ** | 0.0 ** | 33.3 | 8.3 ** |
| tst | 100 * | 100 ** | 50 | 100 * | 0.0 ** | 50 | 50** | 0.0 ** | 100 * | 0.0 ** | 0.0 ** | 100 * | 100 ** | 0.0 ** | 0.0 ** | 50 ** | 0.0 ** |
| clfA | 73.9 * | 100 * | 19.6 | 69.6 * | 17.4 | 10.9 | 37 | 8.7 ** | 69.6 * | 10.9 | 15.2 | 67.4 * | 97.8 * | 4.3 ** | 4.3 ** | 23.9 | 10.9 |
| coa | 72.3 * | 100 * | 19.1 | 70.2 * | 17 | 10.6 | 36.2 | 8.5 ** | 68.1 * | 10.6 | 14.9 | 66 * | 97.9 * | 4.3 ** | 4.3 ** | 23.9 | 10.6 |
| spa | 65 * | 100 * | 15 | 70 * | 5 ** | 15 | 45 | 15 | 70 * | 10 | 15 | 65 * | 100 * | 0.0 ** | 5 ** | 35 | 15 |
| fnbB | 72.3 * | 100 * | 19.1 | 70.2 * | 17 | 10.6 | 36.2 | 8.5 ** | 68.1 * | 10.6 | 14.9 | 66 * | 97.9 * | 4.3 ** | 4.3 ** | 23.4 | 10.6 |
| agr | 77.3 * | 100 * | 22.7 | 86.4 * | 18.2 | 9.1 | 40.9 | 4.5 ** | 77.3 * | 13.6 | 18.2 | 77.3 * | 100 * | 4.5 ** | 0.0 ** | 13.6 | 9.1 |
| nuc | 72.3 | 100 * | 19.1 | 70.2 * | 17 | 10.6 | 36.2 | 8.5 ** | 68.1 * | 10.6 | 14.9 | 66 * | 97.9 * | 4.3 ** | 4.3 ** | 23.4 | 10.6 |
| efb | 71.7 * | 100 * | 19.6 | 69.6 * | 17.4 | 10.9 | 34.8 | 8.7 ** | 67.4 * | 10.9 | 15.2 | 65.2 * | 97.8 * | 4.3 ** | 4.3 ** | 21.7 | 10.9 |
| pvl | 72 * | 100 * | 20 | 72 * | 16 | 4 ** | 24 | 4 ** | 64 * | 4 ** | 12 | 64 * | 96 * | 8 ** | 0.0 ** | 16 | 8 |
| sdrD | 72.3 * | 100 * | 19.1 | 70.2 * | 17 | 10.6 | 36.2 | 8.5 ** | 68.1 * | 10.6 | 14.9 | 66 * | 97.9 * | 4.3 ** | 4.3 ** | 23.4 | 10.6 |
| hlg | 72.3 * | 100 * | 19.1 | 70.2 * | 17 | 10.6 | 36.2 | 8.5 ** | 68.1 * | 10.6 | 14.9 | 66 * | 97.9 * | 4.3 ** | 4.3 ** | 23.4 | 10.6 |
| hla | 72.3 * | 100 * | 19.1 | 70.2 * | 17 | 10.6 | 36.2 | 8.5 ** | 68.1 * | 10.6 | 14.9 | 66 * | 97.9 * | 4.3 ** | 4.3 ** | 23.4 | 10.6 |
| seb | 92.3 * | 100 * | 15.4 | 92.3 * | 23.1 | 15.4 | 30.8 | 0.0 ** | 92.3 * | 30.8 | 30.8 | 92.3 * | 100 * | 7.7 ** | 0.0 ** | 30.8 | 0.0 ** |
| sec | 50 | 100 * | 0.0 ** | 50 | 33.3 | 33.3 | 33.3 | 16.7 | 50 | 33.3 | 33.3 | 66.7 * | 100 * | 0.0 ** | 0.0 ** | 16.7 | 16.7 |
| icA | 72.3 | 100 * | 19.1 | 70.2 * | 17 | 10.6 | 36.2 | 8.5 ** | 68.1 * | 10.6 | 14.9 | 66 * | 97.9 * | 4.3 ** | 4.3 ** | 23.4 | 10.6 |
*: High rates of antibiotic resistance were observed in S. aureus isolates, regardless of the presence of positive or negative virulence genes. ** Low rates of antibiotic resistance (sensitivity) in the presence of positive or negative virulence genes S. aureus isolates.