| Species/Subspecies: | Bartonella henselae | ||||||||||
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| Categories: | Zoonotic; motile; primarily of interest in human medicin | ||||||||||
| Etymology: | Genus name: named after the Peruvian scientist Alberto L. Barton (1870-1950), who described this species in 1909. Species epithet: named after Diane M. Hensel, who isolated many of the original strains. | ||||||||||
| Significance: | [Of minor importance] | ||||||||||
| Alternative Species Name(s): | Rochalimaea henselae | ||||||||||
| Taxonomy: | Class Alphaproteobacteria Order Hyphomicrobiales Family Bartonellaceae Genus Bartonella |
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| Type Strain: | Houston-1 = G5436 = ATCC 49882 = CCUG 30454 | ||||||||||
| Macromorphology (smell):
| Heterogenic colonies, small regular to irregular larger forms (0.2-1 mm in diameter). No hemolysis on blood agar. | ||||||||||
| Micromorphology: | Small (0.5-0.6 x 1.0 µm), motile (twitching), slightly bent rods, but lacks flagella. | ||||||||||
| Gram +/Gram -: | G- (weakly stained) | ||||||||||
| Metabolism: | Aerobic | ||||||||||
| Catalase/Oxidase: | v/- | ||||||||||
| 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. | ||||||||||
| Special Media: | |||||||||||
| Vector: | Cat flea (Ctenocephalides felis) | ||||||||||
| Reservoir: | Cat | ||||||||||
| Disease: | Cat scratch disease in humans |
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| Hosts: | Humans, dog | ||||||||||
| Clinical Picture: | |||||||||||
| Genome Sequence: |
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| 16S rRNA Seq.: |
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| Taxonomy/phylogeny:
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More than 30 species have been described within genus Bartonella, which is relatively closely related to genus Brucella. | ||||||||||
| Comment: | Zoonotic, vector-borne (lice and possibly ticks) | ||||||||||
| Reference(s): | No. 59 | ||||||||||
| Updated: | 2023-03-22 |