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Annu Rev Biophys. 2010;39:471-89. doi: 10.1146/annurev.biophys.093008.131348.

Chromatin dynamics.

Author information

1
Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA. huebner@cshl.edu

Abstract

The expression patterns of many protein-coding genes are orchestrated in response to exogenous stimuli, as well as cell-type-specific developmental programs. In recent years, researchers have shown that dynamic chromatin movements and interactions in the nucleus play a crucial role in gene regulation. In this review, we highlight our current understanding of the organization of chromatin in the interphase nucleus and the impact of chromatin dynamics on gene expression. We also discuss the current state of knowledge with regard to the localization of active and inactive genes within the three-dimensional nuclear space. Furthermore, we address recent findings that demonstrate the movements of chromosomal regions and genomic loci in association with changes in transcriptional activity. Finally, we discuss the role of intra- and interchromosomal interactions in the control of coregulated genes.

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