Figure.
Pulsed-field gel electrophoresis profiles of Sma I-digested chromosomal DNA. Lanes 1 and 16, NCTC 8325 standard; lane 2 and 3, methicillin-sensitive Staphylococcus aureus (MSSA) nasal isolates from food preparer A; lanes 4 and 5, MSSA nasal isolates from food preparer B; lane 6, methicillin-resistant S. aureus nasal isolate from food preparer C; lane 7, MRSA stool isolate from family member A; lane 8, MRSA stool isolate from family member B; lane 9, MRSA stool isolate from family member C; lanes 10 and 11, MSSA follow-up isolates from family member C; lane 12, MRSA isolate from slaw; lanes 13, 14, and 15, MSSA isolates from barbequed pork.