TABLE 2.
Summary of phenotypic and genotypic characteristics of mMRSA and nmMRSA strains in Australia
| PFGE pattern | Typical resistance patterna | Urease test result | Typical phage susceptibility | Coagulase gene PCR-RFLP pattern |
|---|---|---|---|---|
| Multiresistant | ||||
| 22 (AUS-2) | TET, ERY, TMP, GEN, CIP | + | 85, 88, 90; 47T, 87M; MR8, MR12, M3 | 24 |
| 24 (AUS-3) | TET, ERY, TMP, GEN, CIP, HgCl2, PMA | + | 87M//M3 | 24 |
| Irish-2 | ERY, TMP, CIP | − | 85, 90; 90A, 87M | 18 |
| Irish-1 | ERY, TMP, GEN, CIP | + | Non typeable | 18 |
| Sporadic | Variable | + | variable | Variable |
| Nonmultiresistant | ||||
| EMRSA-15 | ERY, CIP | − | Nontypeable | 22 |
| EMRSA-16 | ERY, CIP | + | 29; MR12 | 18 |
| SWP | Nil | + | WSPP1 (29, 52, 52A, 80, 3A, 54, 77, 81), WSPP2 (6, 42E, 47, 54, 77, 81; 67R) | 24 |
| WA-MRSA-1 | ERY, FUS | + | 1A (nontypeable), 1B, 52A, 55, 6, 42E, 47, 53, 54, 77, 83A, 85, 88, 90 | 20 |
| nmMRSA A | Nil | + | Nontypeable | 32 |
| nm MRSA B | ERY | + | Nontypeable | 258 |
| nmMRSA C | ERY | + | Variable | Variable |
| nmMRSA D | TET | + | Variable | 18 |
| nmMRSA E | Nil | + | Variable | Did not cut |
| nmMRSA F | Nil | + | Variable | No product |
| Sporadic | Variable | + | Variable | Variable |
a
TET, tetracycline; ERY, erythromycin; TMP, trimethoprim; GEN, gentamicin; CIP, ciprofloxacin; FUS, fusidic acid.