Trypanosome

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Trypanosomes

Photomicrograph of Trypanosoma cruzi parasites (Chagas disease pathogen).
Scientific classification
Kingdom:Protista
Phylum:Euglenozoa
Class:Kinetoplastea
Order:Trypanosomatidae
Genera

Blastocrithidia
Crithidia
Endotrypanum
Herpetomonas
Leishmania
Leptomonas
Phytomonas
Trypanosoma
Wallaceina

The Trypanosomatidae are a group of kinetoplastid protozoa, which are exclusively parasitic. They are distinguished by having only a single emergent flagellum. Trypanosomes alternate between insect and vertebrate hosts, and are responsible for some human diseases, including sleeping sickness (by Trypanosoma brucei), Chagas disease (by Trypanosoma cruzi), and leishmaniasis (by Leishmania).

Trypanosomes take on several different forms during their life-cycle. In the trypanosome stage, the flagellum runs forwards along the side of the cell, connected to it by an undulating membrane. This occurs in the vertebrate host. In the insect host, the flagellum may emerge at the anterior or posterior, or be absent. Different species may lack some of these stages.de:Trypanosomenfr:Trypanosome Template:Protist-stub

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