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Table 2 Molecular features of 28 high-level rifampicin-resistant S. aureus isolates

From: Molecular characterization of rifampicin-resistant Staphylococcus aureus isolates in a Chinese teaching hospital from Anhui, China

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)

  1. CIP, ciprofloxacin; E, erythromycin; CC, clindamycin; TET, tetracycline; SXT, sulfamethoxazole/trimethoprim; GEN, gentamycin; QD, quinupristin/dalfopristin.