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PCR amplification products corresponding to the eae gene from E. coli strains O26:H11 (lane 3), EDL933 (eae positive control) (31) (lane 2), and DH5α (eae negative control) (lane 1) and to the stx1 gene from E. coli O26:H11 (lane 5), C600(933J) (stx1 positive control) (31) (lane 6), and DH5α (stx1 negative control) (lane 7). Sizes of eae and stx1 amplicons are 815 and 894 bp, respectively. Lane 4 contains 100-bp molecular mass marker.
