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Unformatted text preview: distinct. Many kinetoplastids function parasitically in animals, though some are free-living. A Typical Kinetoplastid: Trypanosoma gambiense Trypanosoma gambiense is a kinetoplastid that is parasitic in humans, and causes African sleeping sickness. Figure%: Trypanosoma gambiense The parasite is a thin, crescent-shaped organism with a single long flagellum that folds across its body and an undulating membrane. It lives in the bloodstream of its host, later invading the central nervous system. Since it is blood-borne, Trypanosoma gambiense is easily transmitted by the blood- sucking tsetse fly. The parasites are drawn up with the blood into the intestines of the fly. There they undergo a physiological change that allows them to invade the fly's salivary glands. After this happens, every animal the fly bites receives an injection of the parasite....
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- Winter '09