80 likes | 408 Views
African sleeping sickness. African Sleeping Sickness. African Trypanosomiasis Caused by tiny species called Trypanosoma brucei Transmitted by tsetse fly which is only found in Africa. About African Sleeping Sickness. Affects human and animals
E N D
African Sleeping Sickness • African Trypanosomiasis • Caused by tiny species called Trypanosomabrucei • Transmitted by tsetse fly which is only found in Africa
About African Sleeping Sickness • Affects human and animals • Symptoms – headaches, joint pain, fever and itching
Cycle • Tsetse fly is the host of the trypanosome • Flies taking blood turns into skin tissues • The bite enters parasites into lymphatic system • It is carried through the blood stream • Continue to replicate by binary fission • 3 weeks
Cell Division Cycle • 3 major organelles:nucleus, kinetoplasts and flagellum
Reproduction/How it spreads • Trypanosomes live inside flies • Transformation in the flies’ stomach • Trypanosomes swim to other flies’ digestive system during sexual reproduction • Accesses the flies’ saliva
If Tsetse flies come to America • We will get African sleeping sickness and die
http://rstb.royalsocietypublishing.org/content/323/1218/573.abstracthttp://rstb.royalsocietypublishing.org/content/323/1218/573.abstract • http://creationwiki.org/Trypanosoma_brucei • http://www.parasitesinhumans.org/trypanosoma-brucei-sleeping-sickness.html