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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Campylobacter fetus subsp. fetus
Category: Motile
Etymology: Genus name: a curved rod.
Species epithet: of a fruit.
Subspecies epithet: see Species epithet.
Significance:  [Very important]   
Alternative Species Name(s):Vibrio fetus
Taxonomy:
Phylum
Proteobacteria
Class
Epsilonproteobacteria
Order
Campylobacterales
Family
Campylobacteraceae 
Genus
Campylobacter
Type Strain: ATCC 27374 = CCUG 6823 A = NCTC 10842.
Macromorphology (smell): Small colorless to cream-colored colonies (about 1 mm in diameter).
Micromorphology: Curved or helical rod (0.2-0.3 x 1.5-5.0 µm). Highly motile with a corkscrew-like motion.
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.: Optimal growth temperature: about 37°C.
Disease:
HostsDiseaseClinical picture
Sheep and goatsAbortion (ovine genital campulobacterios), stillbirthBacteriemia, necrotic placentitis. Asymptomatic carriers occur
CattleSporadic abortionBacteriemia, necrotic placentitis. Asymptomatic carriers occur
Genome Sequence:
Acc-noStrainSize (bp)Genome
NC_008599 82-40 1 773 615 1c + 0 

16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
DQ174127 ATCC 27374T 1343 

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 Helcobacter. C. fetus is closely related to C.jejuni, C. hyointestinalis, C. coli and C. lari.
Updated:2022-01-09

News

New names of taxa within the classification category phylum

During October 2021, an article was published by A. Oren och G.M. Garrity, in which new names are proposed for a number of taxa within the classification category phylum. This has resulted in many discussions in social media about whether it was really necessary to make these changes, which have created confusion among microbiologists and other professionals who come into contact with bacteriology.

Published 2022-09-28. Read more...

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