Abstract
Enteropathogenic Escherichia coli (EPEC) are important bacterial agents of diarrhea, especially in developing countries, causing a specific histopathologic intestinal lesion (attaching/effacing lesion, A/E). Typical EPEC are carriers of a virulence plasmid (EPEC adherence factor), which is absent in atypical EPEC. tEPEC produce a characteristic pattern of adhesion to HeLa cells called loc…