Fig. (1) Association of aEPEC and tEPEC strains with differentiated Caco-2 or T84 intestinal cells. Experiments were performed in triplicates at least three times; error bars indicate standard deviation. *** Indicates statistically significant differences between cell lineages (P < 0.001); ** indicates statistically significant difference between aEPEC 3991-1 and aEPEC 1711-4 in T84 cells (P = 0.004); * indicates statistically significant difference between aEPEC 3991-1 and tEPEC E2348/69 in T84 cells (P = 0.004).

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