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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


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:
Phylum
Proteobacteria
Class
Epsilonproteobacteria
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.:
Acc-noStrainNumber of NTOperon
AF097685 CHY 5T 1419  

Taxonomy/phylogeny:
 
About 25 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:2017-06-14

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