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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Campylobacter helveticus
Category: Motile
Etymology: Genus name: a curved rod.
Species epithet: from Switzerland (where it was first isolated.
Significance:  [Of minor importance]   
Taxonomy:
Phylum
Proteobacteria
Class
Epsilonproteobacteria
Order
Campylobacterales
Family
Campylobacteraceae 
Genus
Campylobacter
Type Strain: ATCC 51209= CCUG 30682 = NCTC 12470.
Macromorphology (smell): Translucent and flat colonies, which are pinpoint to 0.5 mm in diameter on blood agar after 48 h.
Micromorphology: Curved (seagull wing shaped) or spiral shaped small motile rods (0.2 x 1.5-3 µm) with two bipolar flagella. The motility is darting and rapid.
Gram +/Gram -:G -
Metabolism: Microaerophilic
Catalase/Oxidase:-/+
Other Enzymes: Hippuricase - (hippurate -), urease -.
Biochemical Tests: Hydrogen sulfide (H2S) -
Fermentation of carbohydrates: Campylobacter spp. can neither ferment nor oxidize carbohydrates.
Spec. Char.:
Reservoir: Domestic cats, but also dogs.
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
U03022 NCTC 12470T 1439  

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. helveticus is closely related to C. upsaliensis and C. avium.
Updated:2020-09-27

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