Rickettsia conorii

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Rickettsia conorii
Rickettsia conorii observed in Vero cells (red rods; magnification ×1,000).1
Scientific classification
Domain: Bacteria
Phylum: Proteobacteria
Class: Alphaproteobacteria
Order: Rickettsiales
Family: Rickettsiaceae
Genus: Rickettsia
Species: R. conorii
Binomial name
Rickettsia conorii
Brumpt 19322

Rickettsia conorii is a gram-negative, obligate intracellular bacterium of the genus Rickettsia that causes human disease called Boutonneuse fever, Mediterranean spotted fever, Israeli tick typhus, Astrakhan spotted fever, Kenya tick typhus, Indian tick typhus, or other names that designate the locality of occurrence while having distinct clinical features.34 It is a member of the spotted fever group and the most geographically dispersed species in the group, recognized in most of the regions bordering on the Mediterranean Sea and Black Sea, Israel, Kenya and other parts of North, Central, and South Africa, and India.3 The prevailing vector is the brown dog tick, Rhipicephalus sanguineus. The bacterium was isolated by Emile Brumpt in 19325 and named after A. Conor who, in collaboration with A. Bruch, provided the first description of boutonneuse fever in Tunisia in 1910.6

The genome of the bacterium has been sequenced7 and four subspecies have been identified.8

References

  1. ^ Rovery C; Brouqui P; Raoult D (2008). "Questions on Mediterranean Spotted Fever a Century after Its Discovery". Emerg Infect Dis 14 (9): 1360–1367. doi:10.3201/eid1409.071133. PMC 2603122. PMID 18760001. 
  2. ^ Skerman, VBD; McGowan, V; Sneath, PHA, eds. (1989). Approved Lists of Bacterial Names (amended ed.). Washington, DC: American Society for Microbiology 
  3. ^ a b Yu, XJ; Walker, DH (2005). "Genus I. Rickettsia da Rocha-Lima 1916, 567AL". In Brenner, DJ; Krieg, NR; Staley, JT et al. Bergey's Manual of Systematic Bacteriology,Volume 2, Part C (2nd ed.). New York: Springer 
  4. ^ Parola, P; Paddock, CD; Raoult, D (2005). "Tick-Borne Rickettsioses around the World: Emerging Diseases Challenging Old Concepts". Clin Microbiol Rev 18 (4): 719–756. doi:10.1128/CMR.18.4.719-756.2005. PMC 1265907. PMID 16223955. 
  5. ^ Brumpt, E (1932). "Longevité du virus de la fièvre boutonneuse (Rickettsia conorii, n. sp.) chez la tique Rhipicephalus sanguineus". C R Seances Soc Biol Fil 110: 1119–1202. 
  6. ^ Conor, A & A Bruch (1910). "Une fièvre éruptive observée en Tunisie". Bull Soc Pathol Exot Filial 8: 492–496. 
  7. ^ Ogata H, Audic S, Renesto-Audiffren P, et al. (September 2001). "Mechanisms of evolution in Rickettsia conorii and R. prowazekii". Science 293 (5537): 2093–8. doi:10.1126/science.1061471. PMID 11557893. 
  8. ^ Zhu Y, Fournier PE, Eremeeva M, Raoult D (2005). "Proposal to create subspecies of Rickettsia conorii based on multi-locus sequence typing and an emended description of Rickettsia conorii". BMC Microbiol. 5: 11. doi:10.1186/1471-2180-5-11. PMC 1079849. PMID 15766388. 

Further reading








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