Fig. 1From: Molecular investigation of the colicinogenic Escherichia coli strains that are capable of inhibiting E. coli O157:H7 in vitroMolecular detection of NTEC strains. A) DNA Ladder, B) Negative control, C) Positive control (E. coli S5), D) Negative isolate for cnf1 gene (NTEC), and E) Positive isolate for cnf1 geneBack to article page