| Species/Subspecies: | Helicobacter suis | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Category: | Motile | ||||||||
| Etymology: | Genus name: a helix shaped rod. Species epithet: of the pig. | ||||||||
| Significance: | [Of minor importance] | ||||||||
| Taxonomy: | Class Campylobacteria Order Campylobacterales Family Helicobacteraceae Genus Helicobacter |
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| Type Strain: | HS1 | ||||||||
| Macromorphology (smell): | |||||||||
| Micromorphology: | The cell is a tightly coiled helix with up to 6 turns (2.3-6.7 x 0.9-1.2 µm) and it has 4-10 bipolar flagella. | ||||||||
| Gram +/Gram -: | G- | ||||||||
| Metabolism: | Microaerophilic | ||||||||
| Catalase/Oxidase: | -/- | ||||||||
| Other Enzymes: | Urease + | ||||||||
| Fermentation of carbohydrates: | Helicobacter spp. can neither ferment nor oxidize carbohydrates. Exception: H. pylori, which can oxidize glucose to acetate. | ||||||||
| Spec. Char.: | |||||||||
| Special Media: | |||||||||
| Disease: | H. suis is associated with gastritis and ulcuration in the stomach. |
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| Hosts: | Pig | ||||||||
| Clinical Picture: | |||||||||
| 16S rRNA Seq.: |
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| Taxonomy/phylogeny:
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About 35 species have been described within the genus Helicobacter, and this genus is most closely related to Campylobacter, Arcobacter and Sulfurospirillum. H. suis is closely related to H. heilmanni and other species (see phylogenetic tree in Fig. 244:1). | ||||||||
| Reference(s): | No. 126 | ||||||||
| Updated: | 2023-03-22 |