Figure 2

Attaching and effacing (AE) lesions produced by a canine enteropathogenic E. coli (EPEC) in the ligated loop intestinal assay in rabbit. Healthy enterocyte with microvillus layer (left); AE lesion (right) from [20]: a) few "surviving" microvilli; b) intimately adherent E. coli; c) pedestal formation beneath the adherent bacteria; d) sometimes internalization of the bacteria into the enterocytes.