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Results of the inhibitory activity of the colicins produced by the strains ColEc 24.7 and ColEc 27.4. (A) ColEc CFS inhibitory activity against STEC strain (log10 CFU/mL). (B) Optical density curves at 495nm and Log10 CFU/mL of STEC strain. Cultured in the presence of different SLC concentrations (pure, two-fold, and four-fold dilutions) of the antimicrobial substances of the selected strains.
