Slide 1 Slide 2 Slide 3 Gram-negative rod, facultative anaerobe Normal flora of the mouth and intestine Protects the intestinal tract from bacterial infection Assists in…
Slide 1Escherichia coli Slide 2 Named for Theodor Escherich a German physician (1885) Normal flora of the mouth and intestine. Protects the intestinal tract from bacterial…
Slide 1 . Emerging Re-emerging Diseases Slide 2 INTRODUCTION Disease burden is colossal Cause heavy mortality, disability and economic loss Result in widespread epidemics…
Slide 1 DIARRHOEA Although E-coli is normally carried in the gut as a normal commensal, it may cause gastrointestinal disease ranging in severity from mild self limiting…
Slide 1 Digestive system infections: Barriers to infection: 1-The stomach acid of a pH less than or equal to 4. 2-Shedding of mucosal epithelium lining the alimentary system.…
Slide 1 Microbiology of the Gastrointestinal Tract Slide 2 Introduction GI defenses Normal flora Mouth and Esophagus Dental infections Candida infection Stomach Helicobacter…