Fig. 1

a ERIC-PCR profiles for S. aureus: Lines 1–40 isolate numbers (above gels) and pattern types (below gels). Molecular weights (MW) are expressed in SmartLadder base pairs (bp). The 40 isolates were differentiated into 28 distinct ERIC-PCR patterns (E1–E28). b RAPD-PCR profiles for S. aureus: Lines 3–40 isolate numbers (above gels), and pattern types (below gels). Molecular weights (MW) are expressed in SmartLadder base pairs (bp). The 38 isolates were differentiated into 12 distinct types (R1–R12)