Bartonella

Bartonella
Scientific classification
Domain: Bacteria
Phylum: Pseudomonadota
Class: Alphaproteobacteria
Order: Hyphomicrobiales
Family: Bartonellaceae
Gieszczykiewicz 1939 (Approved Lists 1980)
Genus: Bartonella
Strong et al. 1915 (Approved Lists 1980)
Species
Synonyms
  • Bartonia Strong et al. 1913
  • Grahamella (ex Brumpt 1911) Ristic and Kreier 1984
  • Rochalimaea (Macchiavello 1947) Krieg 1961
This article is about the bacteria. For the disease, see Bartonellosis.

Bartonella is a genus of Gram-negative bacteria. It is the only genus in the family Bartonellaceae. Facultative intracellular parasites, Bartonella species can infect healthy people, but are considered especially important as opportunistic pathogens. Bartonella species are transmitted by vectors such as fleas, sand flies, and mosquitoes. At least eight Bartonella species or subspecies are known to infect humans.

Bartonella henselae is the organism responsible for cat scratch disease.

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