Difference between revisions of "Helicobacter"
Jump to navigation
Jump to search
| Line 1: | Line 1: | ||
<big><center>[[Infectious agents and parasites|'''BACK TO INFECTIOUS AGENTS AND PARASITES''']]</center></big> | <big><center>[[Infectious agents and parasites|'''BACK TO INFECTIOUS AGENTS AND PARASITES''']]</center></big> | ||
<big><center>[[Bacteria|'''BACK TO BACTERIA''']]</center></big> | <big><center>[[Bacteria|'''BACK TO BACTERIA''']]</center></big> | ||
| − | + | ||
| − | |||
| − | |||
| − | |||
===Overview=== | ===Overview=== | ||
*Related to ''Campylobacter'' species and ''Arcobacter'' species | *Related to ''Campylobacter'' species and ''Arcobacter'' species | ||
| + | *A [[Intestines - disease due to pathogens#|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 | ||
| Line 15: | Line 15: | ||
*Helical, S-shaped or curved Gram negative rods | *Helical, S-shaped or curved Gram negative rods | ||
*Require enriched media; some grow on Skirrow agar | *Require enriched media; some grow on Skirrow agar | ||
| − | *Microaerophilic | + | *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 | ||
Revision as of 16:38, 26 May 2008
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