Table 2.
Molecular features of 28 high-level rifampicin-resistant S. aureus isolates
| MLST (ST) | SCCmec type | spa-type | Number of isolates | Nucleotide mutation | Amino acid substitution | Resistance pattern |
|---|---|---|---|---|---|---|
| ST239 |
III |
t030 |
24 |
CAT/AAT+TTA/TCA |
481His/Asn+466Leu/Ser |
CIP+E+GEN+TET(1) |
| CIP+E+GEN+TET+CC(23) | ||||||
| 1 |
CAT/AAT+GCT/GAT |
481His/Asn+477Ala/Asp |
CIP+E+GEN+TET+CC (1) |
|||
| ST239 |
III |
t021 |
2 |
CAT/AAT+TTA/TCA |
481His/Asn+466Leu/Ser |
CIP+E+GEN+TET+CC(2) |
| ST239 | III | t045 | 1 | CAT/AAT+TTA/TCA | 481His/Asn+466Leu/Ser | CIP+E+GEN+TET+CC+SXT(1) |
CIP, ciprofloxacin; E, erythromycin; CC, clindamycin; TET, tetracycline; SXT, sulfamethoxazole/trimethoprim; GEN, gentamycin; QD, quinupristin/dalfopristin.