Regulation of 3D chromatin organization by CTCF.

Studies of nuclear architecture using chromosome conformation capture methods have provided a detailed view of how chromatin folds in the 3D nuclear space. New variants of this technology now afford unprecedented resolution and allow the identification of ever smaller folding domains that offer new insights into the mechanisms by which this organization is established and maintained. Here we review recent results in this rapidly evolving field with an emphasis on CTCF function, with the goal of gaining a mechanistic understanding of the principles by which chromatin is folded in the eukaryotic nucleus.
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