FIG. 1.

PFGE patterns of representative methicillin-resistant coagulase-negative staphylococcus isolates. Lanes: 1 and 2, unique patterns (patient 27, nares and catheter); 3 and 4, pattern A (patient 31, nares and catheter); 5, unique pattern (reference coagulase-negative staphylococcus strain); 6 and 7, pattern J (patient 33, nares and catheter); 8 and 9, pattern B (patient 39, nares and catheter); 10, unique pattern, (Bio-Rad S. aureus control strain); 11 and 12, pattern C (patient 44, catheter and first nasal isolate); 13, unique pattern (patient 44, second nasal isolate).