Figure 2
PFGE fingerprint patterns of SmaI restriction digest of serotype 19F S. pneumoniae isolates. M, lambda ladder molecular size markers (shown in kbp); lane 1, meningitis patient isolates; lane 2, ATCC700905 (Taiwan19F-14); lanes 3 – 5, other serotype 19F nasopharyngeal isolates from children attending the same kindergarten as the patient. Numbers at the bottom of the gel indicate the number of isolates with the same pattern.