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Long-range PCR amplification of fetA region from N. meningitidis genomic DNA. Lane 1, 100-bp ladder; lane 2, bacteriophage λ HindIII ladder; lane 3, strain NM0005 (serogroup C); lane 4, strain NM0160 (serogroup B); lane 5, strain NM1042 (serogroup C); lane 6, strain NM1630 (serogroup B).
