Abstract
Shiga toxin-producing Escherichia coli (STEC) strains are among the most notorious E. coli diarrheagenic pathotype because its wide geographic distribution, severity of clinical syndromes that can cause and the various forms of transmission. The production of the Shiga-toxins (Stx) can be regarded as the main feature of the STEC pathogenesis. These bacterial exotoxins are dotted with at l…