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DHPLC analysis of the pgm genes of nine clones from a meningococcal outbreak in Israel. Elution profiles associated with the PCR amplicons containing the pgm gene (493 bp) were run with a buffer B gradient from 50 to 69% for 5 min at 63°C. Clones 1, 4, 5, 6, and 10 are serogroup C (ST-11, ET-37); clones 11, 13, and 15 (ST-32, ET-5) and clone 12 (new ST, undetermined ET) are serogroup B.
