TABLE 2.

Summary of phenotypic and genotypic characteristics of mMRSA and nmMRSA strains in Australia

PFGE patternTypical resistance patternaUrease test resultTypical phage susceptibilityCoagulase gene PCR-RFLP pattern
Multiresistant
    22 (AUS-2)TET, ERY, TMP, GEN, CIP+85, 88, 90; 47T, 87M; MR8, MR12, M324
    24 (AUS-3)TET, ERY, TMP, GEN, CIP, HgCl2, PMA+87M//M324
    Irish-2ERY, TMP, CIP85, 90; 90A, 87M18
    Irish-1ERY, TMP, GEN, CIP+Non typeable18
    SporadicVariable+variableVariable
Nonmultiresistant
    EMRSA-15ERY, CIPNontypeable22
    EMRSA-16ERY, CIP+29; MR1218
    SWPNil+WSPP1 (29, 52, 52A, 80, 3A, 54, 77, 81), WSPP2 (6, 42E, 47, 54, 77, 81; 67R)24
    WA-MRSA-1ERY, FUS+1A (nontypeable), 1B, 52A, 55, 6, 42E, 47, 53, 54, 77, 83A, 85, 88, 9020
    nmMRSA ANil+Nontypeable32
    nm MRSA BERY+Nontypeable258
    nmMRSA CERY+VariableVariable
    nmMRSA DTET+Variable18
    nmMRSA ENil+VariableDid not cut
    nmMRSA FNil+VariableNo product
    SporadicVariable+VariableVariable
  • a TET, tetracycline; ERY, erythromycin; TMP, trimethoprim; GEN, gentamicin; CIP, ciprofloxacin; FUS, fusidic acid.