Abstract

Macromolecules organize themselves into discrete membrane-less compartments through a process called liquid-liquid phase separation (LLPS). Mounting evidence has suggested that nucleosomes as well as DNA itself undergo LLPS or general condensation due to genomic repression. Current in vitro condensation studies provide valuable insight into the physical properties of condensates but lack the resolution that would allow for complex kinetic studies of multicomponent condensation. Using a supported lipid bilayer platform (SLB) in tandem with objective based total internal reflection microscopy we observe the 2-dimensional lateral movement of macromolecules at a single molecule level.

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