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Annu Rev Cell Dev Biol. 2017 Oct 6;33:265-289. doi: 10.1146/annurev-cellbio-100616-060531. Epub 2017 Aug 7.

The Three-Dimensional Organization of Mammalian Genomes.

Yu M1, Ren B1,2.

Author information

1
Ludwig Institute for Cancer Research, La Jolla, California 92093; email: biren@ucsd.edu.
2
Center for Epigenomics, Department of Cellular and Molecular Medicine, and Institute of Genomic Medicine, and Moores Cancer Center, University of California at San Diego, La Jolla, California 92093.

Abstract

Animal development depends on not only the linear genome sequence that embeds millions of cis-regulatory elements, but also the three-dimensional (3D) chromatin architecture that orchestrates the interplay between cis-regulatory elements and their target genes. Compared to our knowledge of the cis-regulatory sequences, the understanding of the 3D genome organization in human and other eukaryotes is still limited. Recent advances in technologies to map the 3D genome architecture have greatly accelerated the pace of discovery. Here, we review emerging concepts of chromatin organization in mammalian cells, discuss the dynamics of chromatin conformation during development, and highlight important roles for chromatin organization in cancer and other human diseases.

KEYWORDS:

3D chromatin organization; TAD; chromosome conformation capture; gene regulation; topologically associating domain

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