Enterovirulent E. coli

E. coli are Gram-negative, rod-shaped bacteria belonging to the family of Enterobacteriaceae. Normally a useful organism in the human digestive system, but a few E. coli strains are capable of causing human illness by several different mechanisms. The enterohemorrhagic E. coli (EHEC) strain designated as E. coli O157:H7 is the most important of the pathogenic E. coli; it produces large quantities of one or more potent toxins that cause severe hemorrhagic colitis or hemolytic uremic syndrome. These toxins (verotoxin, shiga-like toxin) are closely related or identical to the toxin produced by Shigella dysenteriae.

Five other pathogen mechanism types of E coli are known:

  • Enteropathogenic E. coli (EPEC): cause gastroenteritis (childhood diarrhea)
  • Enteroinvasive E. coli (EIEC) or Shiga toxin-producing E. coli (STEC): cause a Shigella-like dysentery
  • Εnterotoxigenic E coli (ETEC): cause traveler′s diarrhea
  • Εnteroaggregative E coli (EaggEC): primarily associated with persistent diarrhea in children in developing countries
  • Enteroadherent E coli (EAEC): cause childhood diarrhea and also traveler′s diarrhea

Most important EHEC serovares:
  • O157
  • O26
  • O103
  • O111
  • O91
  • O128
  • O146

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44782 Selective & Differential Media for Enterovirulent E. coli
E. coli O157:H7 MUG Agar for microbiology  
80330 Selective & Differential Media for Enterovirulent E. coli
Enrichment ChromoSelect Broth Base for EC O157:H7 for microbiology, NutriSelect Plus EC O157:H7 ChromoSelect Enrichment Broth Base
83339 Selective & Differential Media for Enterovirulent E. coli
Mac Conkey-Sorbitol ChromoSelect Agar for microbiology, NutriSelect Plus Mac Conkey-sorbitol Agar ChromoSelect SMAC Agar ChromoSelect Sorbitol MacConkey Agar ChromoSelect
88902 Selective & Differential Media for Enterovirulent E. coli
MacConkey-Sorbitol Agar for microbiology, NutriSelect Plus  
39734 Selective & Differential Media for Enterovirulent E. coli
Membrane Lactose Glucuronide Agar for microbiology, NutriSelect Plus MLGA m-Lauryl Sulfate Chromogen Agar
08069 Selective media for Enterovirulent E. coli
Modified tryptone soy broth for microbiology, NutriSelect Plus Modified soybean bile broth base Tryptic soy broth, modified mTSB
17178 Nonselective & Differential Media for Enterovirulent E. coli
Mucate Broth for microbiology, NutriSelect Plus  
76704 Selective media for Enterovirulent E. coli
mTSB Broth with Novobiocin for microbiology, NutriSelect Plus Modified Tryptic Soy Broth with Novobiocin