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. 2020 Dec;12(6):522–530. doi: 10.18502/ijm.v12i6.5026

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Fig. 1. — PCR products on electrophoresed agarose gel (1.5%) for screening of virulence genes among E. coli isolates. A, M, marker (100 bp); lane 1, stx1/stx2/eae (positive-control); lane 2, stx1/eae; lane 3, stx2; lane 4, eae; lane 5, negative-control. B, M, marker (50 bp); lane 1, negative-control; lane 2, st1/lt1 (positive-control); lane 3, lt1; lane 4, st1; lane 5, negative-sample. C, M, marker (100 bp); lane 1, ipaH (positive-control); lane 2, negative-control; lane 3, negative-sample; lane 4, ipaH. D, M, marker (100 bp); lane 1, cnf2 (positive-control); lane 2, cnf1 (positive-control); lane 3–4, negative-sample; lane 5, cnf1; lane 6, negative-control.