Biology:Babesia divergens

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Short description: Species of single-celled organism

Babesia divergens
Babesia-divergens.jpg
Scientific classification edit
Domain: Eukaryota
Clade: Diaphoretickes
Clade: SAR
Clade: Alveolata
Phylum: Apicomplexa
Class: Aconoidasida
Order: Piroplasmida
Family: Babesiidae
Genus: Babesia
Species:
B. divergens
Binomial name
Babesia divergens
M'Fadyean & Stockman, 1911

Babesia divergens is an intraerythrocytic parasite, transmitted by the tick Ixodes ricinus. It is the main agent of bovine babesiosis, or "redwater fever", in Europe. Young cattle are less susceptible. The current emphasis in Europe on sustainable agriculture and extensification is likely to lead to an increase in vector tick populations with increased risk of infection.[1] B. divergens is also prevalent (infection rates of 11-23%) in cottontail rabbits on Nantucket Island, MA, USA.[2]

Human infections are rare.[3] The most severe, life-threatening infections were described in asplenic patients.[3] Infections in immunocompetent patients were also observed, and described as a "serious influenza-like" syndrome that requires medical treatment.[4]

References

  1. Zintl, A; Mulcahy, G; Skerrett, HE; Taylor, SM; Gray, JS (2003). "Babesia divergens, a Bovine Blood Parasite of Veterinary and Zoonotic Importance". Clinical Microbiology Reviews 16 (4): 622–36. doi:10.1128/CMR.16.4.622-636.2003. PMID 14557289. 
  2. Heidi K. Goethert & Sam R. 3rd Telford (2003). "Enzootic transmission of Babesia divergens among cottontail rabbits on Nantucket Island, Massachusetts". The American Journal of Tropical Medicine and Hygiene 69 (5): 455–460. doi:10.4269/ajtmh.2003.69.455. PMID 14695079. 
  3. 3.0 3.1 Uguen, C; Girard, L; Brasseur, P; Leblay, R (1997). "La babésiose humaine en 1997" (in French). La Revue de Médecine Interne 18 (12): 945–51. doi:10.1016/S0248-8663(97)80114-2. PMID 9499998. 
  4. Martinot, M; Zadeh, MM; Hansmann, Y; Grawey, I; Christmann, D; Aguillon, S; Jouglin, M; Chauvin, A et al. (2011). "Babesiosis in Immunocompetent Patients, Europe". Emerging Infectious Diseases 17 (1): 114–6. doi:10.3201/eid1701.100737. PMID 21192869. 

Further reading

Wikidata ☰ Q1002578 entry