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Modeling Mechanisms Behind Force Generation By Actin Polymerization, Seyed Fowad Motahari
Modeling Mechanisms Behind Force Generation By Actin Polymerization, Seyed Fowad Motahari
Arts & Sciences Electronic Theses and Dissertations
Actin polymerization is the primary mechanism for overcoming the large turgor pressure that opposes endocytosis in yeast. While generation of pushing forces by actin polymerization is fairly well understood, it is not clear how actin polymerization produces pulling forces. In order to understand this process, it is necessary to simulate polymerization of filaments having various types of interactions with the membrane. Since existing methodologies in the literature do not treat such problems correctly, we develop a thermodynamically consistent methodology for treating polymerization of filaments having arbitrary interaction potentials with the membrane. Then I perform stochastic simulations for a system of …