Table 1.
Characteristics of MRSA isolates selected for rpoB genotyping
| Clonal type1 (isolate name) | PFGE cluster2 (n) | spa type | Rifampicin phenotype3 | Geographical origin | Hospital4 (n)/Year of isolation | Reference |
|---|---|---|---|---|---|---|
| ST612-MRSA-IV | D (2) | t064 | Resistant | Cape Town, RSA5 | GSH (1), RCCH (1)/2008 | [5] |
| ST612-MRSA-IV | E (1) | t064 | Resistant | Cape Town, RSA | UCTPH/2008 | [5] |
| ST612-MRSA-IV | E (4) | t1443 | Resistant | Cape Town, RSA | GSH (2), RCCH (1), VH (1)/2008 | [5] |
| ST612-MRSA-IV | Sporadic isolate (1) | t1443 | Resistant | Cape Town, RSA | GSH/2008 | [5] |
| ST612-MRSA-IV | Sporadic isolate (1) | t1257 | Resistant | Cape Town, RSA | RCCH/2008 | [5] |
| ST5-MRSA-I | C (1) | t045 | Resistant | Cape Town, RSA | MMH/2008 | [5] |
| ST22-MRSA-IV | Sporadic isolate (1) | t032 | Susceptible | Cape Town, RSA | GSH/2008 | [5] |
| ST36-MRSA-II | F (1) | t021 | Susceptible | Cape Town, RSA | GSH/2007 | [5] |
| ST612-MRSA-IV (N83, N84) | ND6 (2) | t064 | Resistant | RSA | Unknown/2004 - 2005 | [8] |
| ST612-MRSA-IV (04-17052) | ND (1) | t064 | Resistant | Perth, Australia | Unknown/2004 | [9] |
| ST612-MRSA-IV (09-15534) | ND (1) | t7571 | Resistant | Perth, Australia | Unknown/2009 | [9] |
1 Clonal types are indicated using the current international nomenclature (sequence type (ST) -antimicrobial phenotype - staphylococcal cassette chromosome mec (SCCmec) type)
2 PFGE, pulsed-field gel electrophoresis
3 As determined by disc diffusion or on the VITEK 2
4 GSH, Groote Schuur Hospital; RCCH, Red Cross War Memorial Children's Hospital; UCTPH, University of Cape Town Private Academic Hospital; VH, Victoria Hospital; MMH, Mowbray Maternity Hospital
5 RSA, Republic of South Africa
6 ND, not determined