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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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The revised taxonomy of the mollicutes

The revised taxonomy of mollicutes (mycoplasmas) has now been introduced on VetBact, which means that many of the species have been given new genus names or moved to another higher taxon. 

Published 2021-11-25. Read more...

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