Interchromosomal interactions: A genomic love story of kissing chromosomes.

Interchromosomal interactions: A genomic love story of kissing chromosomes.
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DOI:
10.1083/jcb.201806052
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发表时间:
2019-01-07
期刊:
The Journal of cell biology
影响因子:
--
通讯作者:
Rinn JL
Rinn JL
中科院分区:
其他
文献类型:
--
作者:
Maass PG;Barutcu AR;Rinn JL

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Maass等人综述了染色体间的相互作用,与染色体内的相互作用一样,染色体间的相互作用正在成为基因组组织和基因表达的重要调节因子。细胞核需要精确的三维和四维DNA组织来建立细胞特异性基因表达程序。强调DNA拓扑结构的重要性,核结构的改变可以扰乱基因表达并导致疾病状态。最近,人们已经清楚,正确的生理基因表达程序不仅需要染色体内相互作用,而且还需要染色体间相互作用(染色体研究较少的特征)。在这里,我们回顾了最近的研究与新兴的见解在哪里和为什么跨染色体通信是相关的。具体来说,我们讨论了多长时间的非编码RNA(lncRNA)和三维基因定位参与基因组组织和如何低通量(活细胞成像)和高通量(Hi-C和SPRITE)技术有助于了解染色体间相互作用的基本性质。
Maass et al. review interchromosomal interactions, which, like intrachromosomal interactions, are emerging as important regulators of genome organization and gene expression. Nuclei require a precise three- and four-dimensional organization of DNA to establish cell-specific gene-expression programs. Underscoring the importance of DNA topology, alterations to the nuclear architecture can perturb gene expression and result in disease states. More recently, it has become clear that not only intrachromosomal interactions, but also interchromosomal interactions, a less studied feature of chromosomes, are required for proper physiological gene-expression programs. Here, we review recent studies with emerging insights into where and why cross-chromosomal communication is relevant. Specifically, we discuss how long noncoding RNAs (lncRNAs) and three-dimensional gene positioning are involved in genome organization and how low-throughput (live-cell imaging) and high-throughput (Hi-C and SPRITE) techniques contribute to understand the fundamental properties of interchromosomal interactions.
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