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Agarose gel electrophoresis of the random PCR products amplified from E. coli strains and S. dysenteriae type 1. Lanes 1 and 9, DNA markers of 100 bp, 250 bp, 500 bp, 750 bp, 1 kb, and 2 kb; lane 2, E. coli O6 (G1062); lane 3, E. coli O8 (G1602); lane 4, E. coli O11 (G1650); lane 5, E. coli O15 (G1201); lane 6, E. coli O114 (G1088); lane 7, E. coli O139 (G1208); lane 8, S. dysenteriae type 1 (G1018).
