Trypanosoma suis
| Trypanosoma suis | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Phylum: | Euglenozoa |
| Class: | Kinetoplastea |
| Order: | Trypanosomatida |
| Family: | Trypanosomatidae |
| Genus: | Trypanosoma |
| Species: | T. suis
|
| Binomial name | |
| Trypanosoma suis Ochmann, 1905
| |
Trypanosoma suis is a species of excavate trypanosome in the genus Trypanosoma that causes one form of the surra disease in animals. It infects pigs. It does not infect humans.
Discovery
[edit]Trypanosoma suis was first encountered and described by Ochmann in 1905. He found the parasite in a herd of sick pigs in Dar-es-Salaam, Tanzania. Hence the name as the word suis means pig. Eventually it was lost in consecutive renaming of the parasite until the 1950s.
Rediscovered
[edit]Trypanosoma suis is rarely seen and has been lost and rediscovered several times. In the 1950s T. suis is rediscovered in Burundi by two Belgian researchers.[1]
T. suis remains the most rare member of the Salivarian trypanosomes. The only isolated specimen known of this species is kept at the Kenya Trypanosomiasis Research Institute, Nairobi.[2]
The next detection was only made by Hutchinson and Gibson 2015. Newly developed molecular biology methods allowed the discovery of an uncertain Trypanosoma in samples from a few years prior from Tanzania and the Central African Republic. This molecular profile was then applied to blood smear slides from 1952 and 1953, a match was found, and the rediscovery of T. suis was declared.[3]: 323 : 335
Transmission
[edit]The parasite is known to be transmitted by the tsetse fly[4] Glossina brevipalpis.[1]
References
[edit]- ^ a b Van Den Berghe, L.; Zaghi, A. J. (1963). "Wild Pigs as Hosts of Glossina vanhoofi Henrard and Trypanosoma suis Ochmann in the Central African Forest". Nature. 197 (4872). Springer Science and Business Media LLC: 1126–1127. Bibcode:1963Natur.197.1126V. doi:10.1038/1971126a0. ISSN 0028-0836. S2CID 4147646.
- ^ Gibson, W. C.; Stevens, J. R.; Mwendia, C. M. T.; Makumi, J. N.; Ngotho, J. M. (12 July 2001). "Unravelling the phylogenetic relationships of African trypanosomes of suids". Parasitology. 122 (6). Cambridge University Press (CUP): 625–631. doi:10.1017/S0031182001007880. ISSN 1469-8161. PMID 11444615. S2CID 22316767.
- ^ Hamilton, P.B.; Stevens, J.R. (2017). "17 Classification and phylogeny of Trypanosoma cruzi". In Telleria, Jenny; Tibayrenc, Michel (eds.). American Trypanosomiasis Chagas Disease : One Hundred Years Of Research. Amsterdam, Netherlands: Elsevier. pp. 321–344/xx+826. doi:10.1016/b978-0-12-801029-7.00015-0. ISBN 9780128010297. S2CID 83229726. ISBN 0128010290.
- ^ "Tsetse biology, systematics and distribution, techniques". Food and Agriculture Organization of the United Nations. Retrieved 4 January 2022.
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