Phase separation in transcription factor dynamics and chromatin organization.

Phase separation in transcription factor dynamics and chromatin organization.
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DOI:
10.1016/j.sbi.2021.06.009
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发表时间:
2021-12
影响因子:
6.8
通讯作者:
Upadhyaya A
Upadhyaya A
中科院分区:
生物学2区
文献类型:
--
作者:
Wagh K;Garcia DA;Upadhyaya A

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过去十年的研究强调了液-液相分离在细胞组织和功能中的关键作用。转录因子和共激活子被这种相分离的凝聚体动态区隔,调节基因组位置上转录机制的组装。虽然显微镜的快速发展已经证明了这种凝聚体的普遍存在,但对转录中相分离的物理学仍需进行严格的表征。在这篇综述中,我们讨论了生物分子缩合物作为转录动态调节因子的理论和实验证据。展望未来,我们强调了转录因子动力学和基因表达的功能后果,并讨论了在缺乏严格的物理描述的情况下,将生物分子凝聚物错误分类为液滴的潜在陷阱。
Studies over the past decade have highlighted the key role of liquid-liquid phase separation in cellular organization and function. Dynamic compartmentalization of transcription factors and co-activators by such phase-separated condensates regulates the assembly of transcriptional machinery at genomic loci. While rapid advances in microscopy have demonstrated the ubiquity of such condensates, a rigorous characterization of the physics of phase separation in transcription remains to be done. In this review, we discuss theoretical and experimental evidence for biomolecular condensates as dynamic regulators of transcription. Looking beyond, we highlight functional consequences for transcription factor dynamics and gene expression and discuss potential pitfalls of misclassifying biomolecular condensates as liquid droplets in the absence of a rigorous physical description.
YAP的相位分离重新组织了基因组拓扑,以进行长期YAP靶基因表达。
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