Theileria

Theileria
Kinete stage of Theileria parva in the transmitting tick Rhipicephalus appendiculatus
Kinete stage of Theileria parva in the transmitting tick Rhipicephalus appendiculatus
Scientific classification Edit this classification
Domain: Eukaryota
Clade: Diaphoretickes
Clade: SAR
Clade: Alveolata
Phylum: Apicomplexa
Class: Aconoidasida
Order: Piroplasmida
Family: Theileriidae
Genus: Theileria
Species

Theileria annulata
Theileria electrophori
Theileria equi
Theileria microti
Theileria orientalis
Theileria parva

Theileria is a genus of parasites that belongs to the phylum Apicomplexa, and is closely related to Plasmodium. Two Theileria species, T. annulata and T. parva, are important cattle parasites.[1] T. annulata causes tropical theileriosis and T. parva causes East Coast fever. Theileria species are transmitted by ticks.[2] The genomes of T. orientalis Shintoku[3], Theileria equi WA,[4] Theileria annulata Ankara[5] and Theileria parva Muguga[6] have been sequenced and published.

Theileria equi is a known cause of equine piroplasmosis.[7]

Vaccines against Theileria are in development.[1][8] In May 2010, a vaccine that was reported to protect cattle against East Coast fever had been approved and registered by the governments of Kenya, Malawi, and Tanzania.[9]

  1. ^ a b Morrison W, McKeever D (2006). "Current status of vaccine development against Theileria parasites". Parasitology. 133: S169–87. doi:10.1017/S0031182006001867. PMID 17274845. S2CID 928055.
  2. ^ Florin-Christensen, M.; Schnittger, L. (Jan 2009). "Piroplasmids and ticks: a long-lasting intimate relationship". Frontiers in Bioscience. 14 (14): 3064–3073. doi:10.2741/3435. ISSN 1093-9946. PMID 19273257.
  3. ^ Cite error: The named reference Hayashida2012 was invoked but never defined (see the help page).
  4. ^ Kappmeyer, Lowell S.; Thiagarajan, Mathangi; Herndon, David R.; Ramsay, Joshua D.; Caler, Elisabet; Djikeng, Appolinaire; Gillespie, Joseph J.; Lau, Audrey OT; Roalson, Eric H. (2012-01-01). "Comparative genomic analysis and phylogenetic position of Theileria equi". BMC Genomics. 13: 603. doi:10.1186/1471-2164-13-603. PMC 3505731. PMID 23137308.
  5. ^ Pain, Arnab; Renauld, Hubert; Berriman, Matthew; Murphy, Lee; Yeats, Corin A.; Weir, William; Kerhornou, Arnaud; Aslett, Martin; Bishop, Richard (2005-07-01). "Genome of the host-cell transforming parasite Theileria annulata compared with T. parva". Science. 309 (5731): 131–3. doi:10.1126/science.1110418. PMID 15994557. S2CID 34556923.
  6. ^ Gardner, Malcolm J.; Bishop, Richard; Shah, Trushar; de Villiers, Etienne P.; Carlton, Jane M.; Hall, Neil; Ren, Qinghu; Paulsen, Ian T.; Pain, Arnab (2005-07-01). "Genome sequence of Theileria parva, a bovine pathogen that transforms lymphocytes". Science. 309 (5731): 134–7. doi:10.1126/science.1110439. PMID 15994558. S2CID 37769438.
  7. ^ Englund, L. P. (2003). "New diseases and increased risk of diseases in companion animals and horses due to transport". Acta Veterinaria Scandinavica. Supplementum. 100: 19–25. ISSN 0065-1699. PMID 16429803.
  8. ^ Darghouth, A. (Dec 2008). "Review on the experience with live attenuated vaccines against tropical theileriosis in Tunisia: considerations for the present and implications for the future". Vaccine. 26. Suppl 6: G4–G10. doi:10.1016/j.vaccine.2008.09.065. ISSN 0264-410X. PMID 19178892.
  9. ^ "Cattle disease vaccine launched 30 years after invention". 2010-05-07. SciDev.net (7 May 2010).