BIOL165 Lecture Notes - African Trypanosomiasis, Amoebiasis, Amoeba Proteus
21 Apr 2013
School
Department
Course
Professor
Document Summary
Supergroup amoebozoa: is a primitive kind of protist, they move using pseudopodia, and the mode of travel is called amoeboid locomotion, they obtain food by phagocytosis. Genus pelomyxa: giant, and free-living, multinucleate and herbivorous, most primitive protist known; it lacks most organelles. Other species: phylum rhizopodia: amoeba proteus large and carnivorous, common in fresh water, and even cracks in pavement, entamoeba histolytica, causes amoebic dysentery. Supergroup excavata basal flagellates: considered to be the most primitive of protists, many are disease causing, or parasitic ie, chagas disease, african sleeping sickness, leishmaniasis, some. Giardia causes hiker"s diarrhea : euglenids, most do not have chloroplasts, ***are discussed in algae section, kinetiplastids, phylum kinetiplastida includes 2 groups: 2) parasitic trypanosomes (often use insect vectors) Leishmania: parabasalians, phylum parabasalia, often associated with animals, some have symbiotic relationship with bacteria in gut of invertebrates. Life cycle of kinetiplastida: trypanosoma causes african sleeping sickness, vector is tsetse fly.
