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Species/Subspecies: Brucella ceti
Etymology: Genus name: named after Sir David Bruce, who first identified the organism, which causes brucellosis.
Species epithet: of a large sea animal.
Significance:Brucella spp. have been isolated from marine mammals. The importance of B. ceti in Sweden is unknown.
  [Of minor importance]   
Old Species Name(s):Brucella cetaceae
Type Strain: BCCN 94-74 = NCTC 12891
Macromorphology (smell): Small non-haemolytic shiny and pale honey coloured colonies (0.5-1.0 mm in diameter), which are convex and circular.
Micromorphology: Non-motile coccoid or short rods (0.5-0.7 x 0.6-1.5), which are arranged singly or, less frequently, in pairs, short chains or small groups.
Gram +/Gram -:G-
Metabolism: Aerobic
Other Enzymes: Tryptophanase -, Urease +
Biochemical Tests: H2S -, Voges-Proskauer -
Fermentation of carbohydrates: Most Brucella spp. do not produce acid by fermentation of carbohydrates.
Spec. Char.: Optimal growth temperature: 37°C, but growth occurs between 20 and 40°C.
Hosts: Dolphin, porpoise and whales
Disease (Swedish):Abort, bölder, diskospondylit, epididymit, meningit
Disease (English):Abortion, abscesses, discospondylitis, epididymitis, meningitis
Clinical Picture:
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
AM158982 NCTC 12891T 1 430  

 Brucella ceti
Eleven species have been described within genus Brucella and this genus is closely related to genus Bartonella. From a phylogenetic point of view, B. abortus, B. canis, B. ceti, B. melitensis, B. neotome, B. ovis, B. pinnipedialis and B. suis represent the same species (B. melitensis), but due to different host specificities, they have been affiliated with different species.
Reference(s): No. 101

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Swedish University of Agricultural Sciences