Spatial organization of genes as a component of regulated expression.
Spatial organization of genes as a component of regulated expression.
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DOI：
10.1007/s00412-009-0236-2
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发表时间：
2010-02
期刊：
影响因子：
1.6
通讯作者：
Engelke DR
中科院分区：
文献类型：
--
作者：
Pai DA;Engelke DR
The DNA of living cells is highly compacted. Inherent in this spatial constraint is the need for cells to organize individual genetic loci so as to facilitate orderly retrieval of information. Complex genetic regulatory mechanisms are crucial to all organisms, and it is becoming increasingly evident that spatial organization of genes is one very important mode of regulation for many groups of genes. In eukaryotic nuclei, it appears not only that DNA is organized in three-dimensional space but also that this organization is dynamic and interactive with the transcriptional state of the genes. Spatial organization occurs throughout evolution and with genes transcribed by all classes of RNA polymerases in all eukaryotic nuclei, from yeast to human. There is an increasing body of work examining the ways in which this organization and consequent regulation are accomplished. In this review, we discuss the diverse strategies that cells use to preferentially localize various classes of genes.
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