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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Bartonella clarridgeiae
Categories: Zoonotic; motile
Etymology: Genus name: named after the Peruvian scientist Alberto L. Barton (1870-1950), who described this species in 1909.
Species epithet: named after the microbiologist Jill E. Clarridge III, who first isolated the organism in Houston, Texas, USA.
Significance:  [Of minor importance]   
Taxonomy:
Phylum
Proteobacteria
Class
Alphaproteobacteria
Order
Rhizobiales
Family
Bartonellaceae 
Genus
Bartonella
Type Strain: Houston-2 cat = ATCC 51734
Macromorphology (smell): Heterogenic colonies, small regular to irregular larger forms. No hemolysis on blood agar.
Micromorphology: Small (0.5-0.6 x 1.0 µm), motile (twitching), slightly bent rods, which has polar flagella.
Gram +/Gram -:G- (weakly stained)
Metabolism: Aerobic
Catalase/Oxidase:-/-
Other Enzymes: Tryptophanase -, urease -
Biochemical Tests: Voges-Proskauer -
Fermentation of carbohydrates: Bartonella spp. do not produce acid by fermentation of carbohydrates.
Spec. Char.: Optimal temperature: 35-37°C. Very fastidious in culture.
Reservoir: Cat
Disease:Dog: Canine valvular endocarditis. Humans: Cat scratch disease. Does not cause disease in cat.
Hosts: Humans, dog
Clinical Picture: Inoculation papules, fever, headache and lymphadenopathy
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
X89208 ATCC 51734T 1 466  

Taxonomy/phylogeny:
 
More than 30 species have been described within genus Bartonella, which is relatively closely related to genus Brucella.
Comment:Zoonotic
Updated:2020-10-28

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