Genomic interactions: Chromatin loops and gene meeting points in transcriptional regulation

被引:92
作者
Sexton, Tom [1 ]
Bantignies, Frederic [1 ]
Cavalli, Giacomo [1 ]
机构
[1] CNRS, UPR 1142, Inst Human Genet, F-34396 Montpellier, France
关键词
Nuclear organisation; Genomic interactions; Epigenetic regulation; Review; BETA-GLOBIN LOCUS; CHROMOSOME CONFORMATION CAPTURE; NUCLEAR ARCHITECTURE; X-INACTIVATION; CONTROL REGION; INTERCHROMOSOMAL ASSOCIATIONS; INTERPHASE NUCLEUS; RESPONSE ELEMENTS; ACTIVE CHROMATIN; CTCF-BINDING;
D O I
10.1016/j.semcdb.2009.06.004
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
The chromosome conformation capture (3C) technique and its genome-wide applications ('4C') have identified a plethora of distal DNA sequences that are frequently in close spatial proximity. In many cases, these have been correlated with transcriptional regulation of the interacting genes, but the functional significance of many of the extreme long-range and interchromosomal interactions remains unclear. This review summarises our current understanding of how chromatin conformation can impinge on gene expression, the major questions that need to be addressed to understand this more fully, and how these questions may be answered in the near future. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码:849 / 855
页数:7
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