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double helix

Nature 421, 448-453 (23 January 2003) | doi:10.1038/nature01411

feature Controlling the double helix

Gary Felsenfeld1 & Mark Groudine2

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Chromatin is the complex of DNA and proteins in which the genetic material is packaged inside the cells of organisms with nuclei. Chromatin structure is dynamic and exerts profound control over gene expression and other fundamental cellular processes. Changes in its structure can be inherited by the next generation, independent of the DNA sequence itself.