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Methods Mol Biol. 2009;523:11-25. doi: 10.1007/978-1-59745-190-1_2.

Analysis of reconstituted chromatin using a solid-phase approach.

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  • 1Laboratory of Gene Expression, Molecular Diagnostics and Modern Therapeutics, Department of Molecular Biology and Genetics, Democritus University of Thrace, Alexandroupolis, Greece.


Complex experimental strategies involving in vitro reconstituted chromatin or simple chromatin interaction studies are much facilitated by immobilizing the nucleosomal arrays to paramagnetic beads. Chromatin-containing beads can be retrieved from a reaction mix solution on a magnet fast and quantitatively, effectively separating bound, loosely attached and unbound components efficiently. This chapter details a convenient strategy for immobilization of linear plasmid DNA on streptavidin-coated beads, the reconstitution of chromatin on such beads and some fundamental handling procedures.

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