Question
Identify the organism which shows effacement and attachment of intestinal cells as shown below?
A. EPEC
B. ETEC
C. Enterohemorrhagic ecoli
D. Diffusely enteroadherent ecoli
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Correct Answer » A Explanation |
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Ans. A. EPEC
Enteropathogenic E.coli (EPEC)
- EPEC frequently cause infantile diarrhea.
- Nontoxigenic and noninvasive
Mechanism of diarrhea:
- Adhesion to intestinal mucosa mediated by plasmid coded bundle-forming pili.
- A/E lesions (attaching & effacing lesions) on the intestinal epithelium.