sentences:  Mutations in the "eaeA" gene result in loss of ability to cause A/E lesions, and is required for full virulence in infected volunteers and animal models.The N-terminal domains of intimin from A/E lesion forming pathogens have high homology with each other and to invasin from "Yersinia pseudotuberculosis" and "Yersinia enterocolitica", whereas the C-terminal domains show less homology.Antibodies to intimin are present in