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Volume 12, Number 2—February 2006

Research

Methicillin-resistant Staphylococcus aureus Clones, Western Australia

Geoffrey W. Coombs*†, Julie C. Pearson*, Frances G. O'Brien†, Ronan J. Murray*, Warren B. Grubb†, and Keryn J. Christiansen*†Comments to Author 
Author affiliations: *Royal Perth Hospital, Perth, Western Australia, Australia; †Curtin University of Technology, Bentley, Western Australia, Australia

Main Article

Table 1

Characteristics of EMRSA clones* (of 4,099 total MRSA isolates), Western Australia, July 1, 2003–December 31, 2004

Clone CHEF pattern (pulsotypes) n (% of total MRSA) CC Urease Coagulase PCR RFLP pattern PVL toxin
ST22-MRSA-IV EMRSA-15 719 (17.54) 22 Neg 22 Neg
ST239-MRSA-III Aus-2 EMRSA 95 (2.32) 8 Pos 24 Neg
Aus-3 EMRSA 57 (1.39) 8 Pos 24 Neg
ST8-MRSA-IVp Irish-2 EMRSA 20 (0.49) 8 Neg 18 Neg
ST36-MRSA-II EMRSA-16 16 (0.39) 30 Pos 18 Neg
ST5-MRSA-II New York/Japan EMRSA 11 (0.27) 5 Pos 36 Neg
ST8-MRSA-IIv Irish-1 EMRSA 2 (0.05) 8 Neg 18 Neg
ST250-MRSA-I Classic MRSA 1 (0.02) 8 Pos 18 Neg
Total 921 (22.47)

*EMRSA, epidemic methicillin-resistant Staphylococcus aureus; CHEF, contour-clamped homogeneous electric field; CC, clonal complex; PCR, polymerase chain reaction; RFLP, restriction fragment length polymorphisms; PVL, Panton-Valentine leukocidin; MRSA, methicillin-resistant S. aureus; p, pediatric; v, variant.

Main Article

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