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Organized condensation of worm-like chains

By H. Schiessel, J. Rudnick, R. Bruinsma and W. M. Gelbart


We present results relevant to the equilibrium organization of DNA strands of arbitrary length interacting with a spherical organizing center, suggestive of DNA-histone complexation in nucleosomes. We obtain a rich phase diagram in which a wrapping state is transformed into a complex multi-leafed, rosette structure as the adhesion energy is reduced. The statistical mechanics of the "melting" of a rosette can be mapped into an exactly soluble one-dimensional many-body problem.Comment: 15 pages, 2 figures in a pdf fil

Topics: Condensed Matter - Soft Condensed Matter, Condensed Matter - Disordered Systems and Neural Networks, Physics - Biological Physics, Quantitative Biology - Biomolecules
Publisher: 'IOP Publishing'
Year: 1999
DOI identifier: 10.1209/epl/i2000-00536-9
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