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Trypanosoma congolense

Summary

Trypanosoma congolense is a species of trypanosomes and is the major pathogen responsible for the disease nagana in cattle and other animals including sheep, pigs, goats, horses and camels, dogs,[2] as well as laboratory mice. It is the most common cause of nagana in east Africa, but is also a major cause of nagana in west Africa. This parasite is spread by tsetse flies. In its mammalian host, Trypanosoma congolense only lives in blood vessels, and causes in particular anaemia.[2][3][4][5]

Trypanosoma congolense
Scientific classification Edit this classification
Domain: Eukaryota
Phylum: Euglenozoa
Class: Kinetoplastea
Order: Trypanosomatida
Family: Trypanosomatidae
Genus: Trypanosoma
Species:
T. congolense
Binomial name
Trypanosoma congolense
Broden, 1904
Synonyms[1]
  • Trypanosoma dimorphon Laveran & Mesnil, 1904
  • Trypanosoma nanum Laveran, 1905
  • Trypanosom confusum Montgomery & Kinghorn, 1909
  • Trypanosoma montgomeryi Laveran, 1909
  • Trypanosoma pecorum Bruce et al., 1910
  • Trypanosoma frobeniusi Weissenborn, 1911
  • Trypanosoma somaliense Maroglio, 1911
  • Trypanosoma cellii Martogio, 1911
  • Trypaonsoms multiforme Kinghorne et al., 1913
  • Trypaonson randae van Saceghem, 1921
  • Trypanosoma urundiense Chardome & Peel, 1967
  • Trypanosoma berghei Chardome & Peel, 1967
  • Trypanosoma mossosense Chardom & Peel, 1967
Cachexic dog infested with T. congolense after travel in West Africa

Infection process edit

T. congolense causes anemia. Nok et al., 2003 find T. congolense to alter the surfaces of erythrocytes which may contribute to this effect.[5]

Drug resistance edit

Individuals isolated from Boran cattle in the Gibe River Valley in southwest Ethiopia showed universal resistance between July 1989 and February 1993.[6] This likely indicates a permanent loss of function in this area for the tested trypanocides, diminazene aceturate, isometamidium chloride, and homidium chloride.[6]

References edit

  1. ^ "Trypanosoma congolense". American Association of Veterinary Parasitologists. 2010-01-01. Retrieved 2022-02-25.
  2. ^ a b Deschamps, Jack-Yves; Desquesnes, Marc; Dorso, Laetitia; Ravel, Sophie; Bossard, Géraldine; Charbonneau, Morgane; Garand, Annabelle; Roux, Françoise A. (2016). "Refractory hypoglycaemia in a dog infected with Trypanosoma congolense". Parasite. 23: 1. doi:10.1051/parasite/2016001. ISSN 1776-1042. PMC 4722231. PMID 26795063.  
  3. ^ Losos, G. J.; Ikede, B. O. (1972). "Review of pathology of diseases in domestic and laboratory animals caused by Trypanosoma congolense, T. vivax, T. brucei, T. rhodesiense and T. gambiense". Veterinary Pathology. 9 (1 Suppl): 1–79. doi:10.1177/030098587200901s01. ISSN 0300-9858.  
  4. ^ African Animal Trypanosomiasis Archived 2007-02-13 at the Wayback Machine, USAHA gray book, 6th ed. (1998).
  5. ^ a b Stijlemans, Benoît; Guilliams, Martin; Raes, Geert; Beschin, Alain; Magez, Stefan; De Baetselier, Patrick (2007). "African trypanosomosis: From immune escape and immunopathology to immune intervention". Veterinary Parasitology. 148 (1). American Association of Veterinary Parasitologists (AAVP) + European Veterinary Parasitology College (EVPC) + World Association for the Advancement of Veterinary Parasitology (WAAVP) (Elsevier): 3–13. doi:10.1016/j.vetpar.2007.05.005. ISSN 0304-4017. PMID 17560035.
  6. ^ a b Mulugeta, Wubet; Wilkes, Jon; Mulatu, Woudyalew; Majiwa, Phelix A.O; Masake, Rachael; Peregrine, Andrew S (1997). "Long-term occurrence of Trypanosoma congolense resistant to diminazene, isometamidium and homidium in cattle at Ghibe, Ethiopia". Acta Tropica. 64 (3–4). Elsevier BV: 205–217. doi:10.1016/s0001-706x(96)00645-6. ISSN 0001-706X. PMID 9107367. S2CID 23878484.

External links edit

  Media related to Trypanosoma congolense at Wikimedia Commons