Organizational principles of 3D genome architecture.

Organizational principles of 3D genome architecture.
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DOI:
10.1038/s41576-018-0060-8
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发表时间:
2018-12
期刊:
Nature reviews. Genetics
影响因子:
--
通讯作者:
Corces VG
Corces VG
中科院分区:
其他
文献类型:
--
作者:
Rowley MJ;Corces VG

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Studies of 3D chromatin organization have suggested that chromosomes are hierarchically organized into large compartments composed of smaller domains called TADs. Recent evidence suggests that compartments are smaller than previously thought and that the transcriptional or chromatin state is responsible for interactions leading to the formation of small compartmental domains in all organisms. In vertebrates CTCF forms loop domains, likely via an extrusion process involving cohesin. CTCF loops interact with compartmental domains to establish the 3D organization of the genome. The continuous extrusion of the chromatin fiber by cohesin may also be responsible for the establishment of enhancer-promoter interactions and stochastic aspects of the transcription process. These observations suggest that the 3D organization of the genome may not be just a determinant, but also a consequence of its function.
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