Helicobacter
E727682
Helicobacter is a genus of spiral-shaped, microaerophilic bacteria best known for species such as H. pylori, which colonize the human stomach and are associated with peptic ulcers and gastric cancer.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| Helicobacter pylori | 1 |
| Histological identification of curved bacteria in gastric mucosa | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | bacterial genus ⓘ |
| associatedWithDisease |
duodenal ulcers
ⓘ
gastric cancer ⓘ gastric ulcers ⓘ gastritis ⓘ hepatitis in animals ⓘ inflammatory bowel disease in animals ⓘ mucosa-associated lymphoid tissue lymphoma NERFINISHED ⓘ peptic ulcer disease ⓘ |
| cellWall | contains lipopolysaccharide ⓘ |
| class | Epsilonproteobacteria NERFINISHED ⓘ |
| colonizes |
gastrointestinal tract
ⓘ
human stomach (some species) ⓘ intestinal tract of animals ⓘ |
| family | Helicobacteraceae NERFINISHED ⓘ |
| firstDescribedBy |
Barry J. Marshall
NERFINISHED
ⓘ
J. Robin Warren NERFINISHED ⓘ |
| flagellaType | polar flagella ⓘ |
| genome | circular chromosome ⓘ |
| gramStain | Gram-negative ⓘ |
| growthCondition |
grows best at 37 degrees Celsius (many species)
ⓘ
requires reduced oxygen tension ⓘ |
| habitat |
mucosal surfaces of birds
ⓘ
mucosal surfaces of mammals ⓘ |
| kingdom | Bacteria ⓘ |
| metabolism |
catalase-positive (many species)
ⓘ
oxidase-positive (many species) ⓘ urease-positive (many species) ⓘ |
| motility | motile ⓘ |
| namingEtymology | derived from Greek for "spiral rod" ⓘ |
| notableSpecies |
Helicobacter cinaedi
NERFINISHED
ⓘ
Helicobacter felis NERFINISHED ⓘ Helicobacter heilmannii NERFINISHED ⓘ Helicobacter hepaticus NERFINISHED ⓘ Helicobacter mustelae NERFINISHED ⓘ Helicobacter pylori NERFINISHED ⓘ |
| order | Campylobacterales NERFINISHED ⓘ |
| oxygenRequirement | microaerophilic ⓘ |
| pathogenicity |
includes commensal species
ⓘ
includes pathogenic species ⓘ |
| phylum | Campylobacterota NERFINISHED ⓘ |
| reproduction | binary fission ⓘ |
| shape | spiral-shaped ⓘ |
| taxonRank | genus ⓘ |
| transmissionRoute |
fecal-oral (for some species)
ⓘ
oral-oral (for some species) ⓘ |
| typeSpecies | Helicobacter pylori NERFINISHED ⓘ |
| yearDescribed | 1989 ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Helicobacter pylori
this entity surface form:
Histological identification of curved bacteria in gastric mucosa