Difference between revisions of "Helicobacter"
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Revision as of 09:42, 25 September 2008
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Overview
- Related to Campylobacter species and Arcobacter species
- A bacterial pathogen of the intestines
- Discovered in the stomach of humans in 1987
- H. felis, H. bizzozeronii, H. salomonis and H. bilis found in gastric mucosa and intestines of dogs and cats
Characteristics
- Helical, S-shaped or curved Gram negative rods
- Require enriched media; some grow on Skirrow agar
- Microaerophilic, non-saccharolytic
- Oxidase positive and catalase positive except for H. canis
- Helicobacters which colonise gastric mucosa are urease positive
Clinical infections
- Helicobacter pylori causes gastritis and duodenal and gastric ulcers in humans
- Association with gastric adenocarcinoma in humans
- H. mustelae has been associated with chronic gastritis and gastric ulcers in ferrets
- Significance in gastrointestinal diseases of domestic carnivores not known