| Species/Subspecies: | Campylobacter hyointestinalis subsp. lawsonii | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Category: | Causes hemolysis | ||||||||
| Etymology: | Genus name: a curved rod. Species epithet: from a hog's intestine. Subspecies epithet: in honor of the Brittish bacteriologist Gordon H.K. Lawson. | ||||||||
| Significance: | [Of minor importance] | ||||||||
| Taxonomy: | Class Campylobacteria Order Campylobacterales Family Campylobacteraceae Genus Campylobacter |
||||||||
| Type Strain: | CHY 5 = CCUG 34538 = NCTC 12901. | ||||||||
| Macromorphology (smell): | Small circular and convex colonies (1.5-2.0 mm in diameter) after 48 h. Many strains give hemolysis on blld agar. | ||||||||
| Micromorphology: | Loosely spiraled and bent rods (0.2 x 1.42 µm. | ||||||||
| Gram +/Gram -: | G - | ||||||||
| Metabolism: | Microaerophilic | ||||||||
| Catalase/Oxidase: | +/+ | ||||||||
| Other Enzymes: | Hippuricase - (hippurat -), urease - | ||||||||
| Biochemical Tests: | Hydrogen sulfide (H2S) (+) | ||||||||
| Fermentation of carbohydrates: | Campylobacter spp. can neither ferment nor oxidize carbohydrates. | ||||||||
| Spec. Char.: | |||||||||
| Reservoir: | Pig | ||||||||
| Disease: | The bacterium has been isolated from the stomach of pigs, but pathogenicity has not been shown. |
||||||||
| Hosts: | Pig? | ||||||||
| Clinical Picture: | |||||||||
| 16S rRNA Seq.: |
| ||||||||
| Taxonomy/phylogeny:
|
About 40 species have been described within in the genus Campylobacter and some of these are further divided into subspecies. This genus is closely related to the following genera: Sulfurospirillum, Arcobacter and Helicobacter. C. hyointestinalis is closely related to C. fetus and C. coli. | ||||||||
| Updated: | 2023-03-22 |
