Table 4.
Prevalence of antibiotic resistance genes and phenotype among clinically collected ST6 strains.
| Antibiotics | Resistance gene | No. (%) of isolates with the specific antimicrobial resistance genes and phenotypes | |||
|---|---|---|---|---|---|
| ORSL (n=18) | OSSL (n=50) | ||||
| Resistance phenotype | Resistance gene | Resistance phenotype | Resistance gene | ||
| Gentamicin | ant(6')-Ia | 16 (88.9) | 17 (94.4) | 4 (8) | 1 (2) |
| aph(3')-III | 17 (94.4) | 8 (16) | |||
| aac(6')-aph(2") | 18 (100) | 18 (36) | |||
| ant(9)-Ia | 17 (94.4) | 1 (2) | |||
| Fusidic acid | fusB | 4 (22.2)* | 5 (27.8) | 15 (30)* | 16 (32) |
| Clindamycin | ermA | 18 (100) | 18 (100) | 16 (32) | 1 (2) |
| Erythromycin | ermA | 18 (100) | 18 (100) | 15 (30) | 1 (2) |
No significant difference between oxacillin-resistant Staphylococcus lugdunensis (ORSL) and OSSL (p=0.53).