ZOO4232 - Exam 1 Review - Encystation Paper Discussion

ZOO4232 - Exam 1 Review - Encystation Paper Discussion -...

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1 Excystation/Encystation in parasitic protozoa Paper by Daniel Eichinger duodenum ileum jejunum
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2 Excystation • What are the prevailing conditions in the stomach, which the cyst might encounter? • Where does excystation occur • What are some characteristics of the Giardia trophozoites that emerge after trophozoites that emerge after excystation? • What is known about Entamoeba excystation?
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3 Giardia encystation • In which region of intestine does this occur? • Does parasite density contribute to encystation? • How does lipid availability affect the process? • What is the ‘downstream flow model’? Entamoeba • Where do they reside? • What factors contribute to the site preference of Entamoeba ? • Which parasite molecule(s) is implicated in the encystation response? What is the suggested role? • What have studies on signaling revealed?
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Giardia – changes in cell composition • What are encystation-specific secretory vesicles (ESVs)? What have studies on
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This note was uploaded on 09/25/2010 for the course ZOO 4232 taught by Professor Kima during the Fall '10 term at University of Florida.

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ZOO4232 - Exam 1 Review - Encystation Paper Discussion -...

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