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Species/Subspecies: Brucella canis
Etymology: Genus name: named after Sir David Bruce, who first identified the organism, which causes brucellosis.
Species epithet: of dog.
Significance:  [Important]   
Old Species Name(s):Brucella melitensis biovar Canis
Type Strain: RM6/66 = ATCC 23365 = NCTC 10854
Macromorphology (smell):
Brucella canis Brucella canis Brucella canis 
Brucella canis 
Pale honey coloured transparant colonies, which do not give hemolysis on blood agar.
Micromorphology: Non-motile coccus or short rod
Gram +/Gram -:
Fig. 194:5. Gram staining of Brucella canis, strain BKT 41247/11. Date: 2011-10-05.
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.:
Hosts: Dog, (human)
Disease (Swedish):Brucellos
Disease (English):Brucellosis
Clinical Picture:
Genome Sequence:
Acc-noStrainSize (bp)Genome
NC_010103 and NC_010104 ATCC 23365T 3 312 769 2c + 0 
Chrom. I (2 105 969 bp) and chrom. II (1 206 800 bp), respectively.

16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
L37584 (T) 1 418 
Two rRNA genes in chrom. I and one in chrom. II.

 Brucella canis
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.

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Swedish University of Agricultural Sciences