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PFGE patterns of NotI-digested genomic DNAs (A) and Southern hybridization with DNA probes specific for hly (B), cnf-1 (C), hra (D), papGII/III (E), and aer (F) of archetypal and representative strains. Lanes 1, J96; lanes 2, CFT073; lanes 3, 536; lanes 4, P89; lanes 5, P89-M1; lanes 6, P50; lanes 7, P100; lanes 8, P74; lanes 9, P53; lanes 10, P9; lanes 11, P166; lanes 12, P28; lanes M, molecular size marker (50-kb DNA ladder).
