Acanthamoeba cell membrane

The Acanthamoeba cell membrane is a lipid bilayer containing unique glycolipids and glycoproteins distinguishing it from mammalian cells, enriched in sterols relative to phospholipids and proteins. It is crucial in regulating nutrient uptake, motility, and environmental adaptation, and undergoes dramatic modification through encystation—leading to the formation of a double-layered cyst wall with an outer ectocyst (rich in proteins and polysaccharides) and an inner endocyst (rich in cellulose and other polysaccharides). The membrane enables processes such as phagocytosis, host-cell binding, and response to stress; its organization and biosynthetic pathways (e.g., cellulose biosynthesis) are potential therapeutic intervention points. However, the cell membrane as a whole is not a molecular target but a compartment housing actual therapeutic targets such as biosynthetic enzymes (e.g., cellulose synthase, xylose isomerase). Its composition contributes significantly to drug resistance, complicating treatment of Acanthamoeba infections.

Other names

Acanthamoeba plasma membraneAcanthamoeba membraneAmoeba cell membrane