Trypanosoma suis

Trypanosoma suis
Scientific classification
Domain:	Eukaryota
(unranked):	Excavata
Phylum:	Euglenozoa
Class:	Kinetoplastida
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[]

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[]

T. suis is rarely seen and has been lost and rediscovered several times. In the 1950s Trypanosoma suis is rediscovered in Burundi by two Belgian researchers.^[1]

Trypanosomas suis remains the most rare member of the Salivarian trypanosomes. The only isolated specimen known of this species is kept at the , 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[]

The parasite is known to be transmitted by the tsetse fly^[4] .^[1]

References[]

^ ^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. Springer Science and Business Media LLC. 197 (4872): 1126–1127. doi:10.1038/1971126a0. ISSN 0028-0836.
^ Gibson, W. C.; Stevens, J. R.; Mwendia, C. M. T.; Makumi, J. N.; Ngotho, J. M. (2001-07-12). "Unravelling the phylogenetic relationships of African trypanosomes of suids". Parasitology. Cambridge University Press (CUP). 122 (6): 625–631. doi:10.1017/S0031182001007880. ISSN 1469-8161.
^ 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. S2CID 83229726. ISBN 0128010290.
^ "Tsetse biology, systematics and distribution, techniques". Food and Agriculture Organization of the United Nations. Retrieved 2022-01-04.

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[Berghe-Zaghi-1963-1] 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. Springer Science and Business Media LLC. 197 (4872): 1126–1127. doi:10.1038/1971126a0. ISSN 0028-0836.

[Gibson-et-al-2001-2] Gibson, W. C.; Stevens, J. R.; Mwendia, C. M. T.; Makumi, J. N.; Ngotho, J. M. (2001-07-12). "Unravelling the phylogenetic relationships of African trypanosomes of suids". Parasitology. Cambridge University Press (CUP). 122 (6): 625–631. doi:10.1017/S0031182001007880. ISSN 1469-8161.

[Hamilton-Stevens-2017-3] 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. S2CID 83229726. ISBN 0128010290.

[UNFAO-tsetse-4] "Tsetse biology, systematics and distribution, techniques". Food and Agriculture Organization of the United Nations. Retrieved 2022-01-04.

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