Table 3. Genotyping and antibiotic susceptibility profiles of the mecA-positive isolates identified in Shanghai.
| OXA MIC | Resistance profileb | |||||||||||||
| Isolatesa | mecA | (µg/mL) | PVL | spa | SCCmec | PEN | GENTA | TETR | ERYTH | CLIN | CIP | SULF | CEFA | VAN |
| SX5 | + | ≥8 | − | t1234 | II | R | R | R | R | R | R | R | R | S |
| SX6 | + | ≥8 | − | t1234 | II | R | R | R | R | R | S | R | R | S |
| SX10 | + | ≥8 | − | NT | V | R | R | R | S | R | R | R | R | S |
| SX11 | + | ≥8 | − | NT | II | R | R | S | R | R | R | R | R | S |
| SX13 | + | ≥8 | − | t267 | V | R | R | R | R | R | S | R | R | S |
| SX15 | + | ≥8 | − | t267 | V | R | R | R | R | R | S | R | R | S |
| SH1 | + | ≤1 | − | t267 | V | R | S | S | S | R | S | R | S | S |
| SH2 | + | ≥8 | − | t267 | V | R | S | R | R | R | S | R | S | S |
| SH3 | + | ≥8 | − | t267 | V | R | S | R | R | R | S | R | S | S |
| SH4 | + | ≤1 | − | t267 | V | R | S | S | S | I | S | R | S | S |
| SH7 | + | ≤1 | − | t267 | V | R | S | S | S | I | S | R | S | S |
| SH8 | + | ≥8 | − | t267 | V | R | S | S | R | R | S | R | S | S |
| SH9 | + | ≤1 | − | t267 | V | R | S | S | S | R | S | R | S | S |
| SH10 | + | ≤1 | − | t267 | V | R | S | S | S | R | S | R | S | S |
| SH13 | + | ≤1 | − | t1234 | II | R | S | S | S | R | S | R | S | S |
| SH14 | + | ≤1 | − | t1234 | II | R | S | R | S | R | S | R | S | S |
| SH16 | + | ≥8 | − | t1234 | II | R | I | S | R | R | S | R | S | S |
| SH17 | + | ≥8 | − | t1234 | II | R | I | S | R | R | S | R | S | S |
| SH18 | + | ≤1 | − | t1234 | II | R | S | S | S | R | S | R | S | S |
| SH20 | + | ≤1 | − | t1234 | II | R | S | S | S | R | S | R | S | S |
a
SX and SH represent isolates from two different farms. Bold indicates OS-MRSA.
b
R, resistant; S, susceptible.
OXA, Oxacillin ; PEN, penicillin; GENTA, gentamicin; TETR, tetracycline; ERYTH, erythromycin; CLIN, clindamycin ; CIP, ciprofloxacin; SULF, sulfamethoxazole; CEFA, cefazolin; VAN, vancomycin.