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Spatial organization of a ring copolymer confined in a cylindrical space



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PIRSA Number: 
13120046

Abstract

Confinement can influence qualitatively the spatial organization of polymer chains. Cylindrical confinement is of particular interest since it not only stiffens individual chains but also enhances their segregation. Here we discuss a ring copolymer confined in a closed cylindrical space as a model nucleoid (an intracellular space where the bacterial chromosome is confined). When the cylinder and polymer parameters are chosen properly our model explains quantitatively recent experimental results for the spatial organization of the E. coli chromosome.