Abstract
The invasion of enteroinvasive Escherichia coli (EIEC) and Shigella sp into intestinal cells is essential in the conduct of bacillary dysentery. The secretion of a set of protein effectors by means of the type III secretion system (TTSS) into the host cell is a precondition for triggering the internalization process. Most of these functions are related to proteins encoded by a 31Kb fragme…