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Explore how biomolecular condensates drive chromosome clustering during cell division through this 22-minute conference lecture. Discover the role of charged polymer coacervation in forming biomolecular condensates and learn how cytoplasmic RNA and Ki-67 protein interactions control eukaryotic chromosome clustering in late-stage cell division. Examine the physical mechanisms behind inter-chromosome attraction, focusing on how localized charged patches on Ki-67 protein promote chromosome clustering through RNA bridging between polymer brushes on chromosome surfaces. Understand the differences between uniform and localized charge distribution effects on RNA dynamics and inter-chromosome forces through insights from coarse-grained simulations and analytical theory. Gain knowledge about how cells potentially regulate biological organization by controlling charge distribution on proteins, with implications for understanding biomolecular condensate behavior and cellular force regulation mechanisms.
