3 EscherichiaKlebsiellaProteusEnterobacterAll are member of Enterobacteriaceae familyRod shapeGram negativeFacultative anaerob
4 Genus Vibrio belong to the family of Vibrionaceae Curve rod shape Gram negativeFacultative anaerobOne single polar flagel
5 Escherichia coli Found by Theodor Escherich ( Austrian ) 1882 Bacteria coli communeNormal inhabitant of intestinal human and warm blooded animalBy the time proceed it is also in process of adaptation and change
6 It is used as standard for fecal contamination. Water quality for household purpose.MPN test / Index.Lactose fermenter
8 Enteropathogenic E coli Infantile diarrheaAttachment to immature intestinal mucosal cellsDestruction of mucosal villiCausing diarrhea followed by fever and ictericFatal infection especially on neglected labor.
9 Enterotoxigenic E. coli (ETEC) Produced Enterotoxin.Plasmid mediated enterotoxin production.There are 2 kind of Toxins : Lt ( Labile toxin )St ( Stable toxin)
12 Enteroinvasive Escherichia coli (EIEC) Site of infection mucosal cells layer of Colon.Shigella like infection.Shiga like toxin – toxic to colonic mucosal cells- necrosis—ulcers—bleeding ( Blooded diarrhea), fever – tenesmus ani ( Trias Bacillar Dysentery)
13 Enterohemorrrhagic E coli EHEC Firstly dairy product contamination, meat on refrigerator—Produce toxin ( Shiga like toxin )—strain O157 H7—Fever, diarrhea, abdominal cramp-Hemolytic uremic syndrome.Newly strain O104 H4, outbreak in German ,May 31 found 470 cases with HUS---9 deaths. Raw lettuce, cucumber and tomatoes.
14 Enteroadherent E coli Multilayer colonization on intestinal mucose. Biofilm formationInhibit water and nutrition absorbtion.Malabsorbtion syndrome.