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KMID : 0620920200520121891
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Experimental & Molecular Medicine
2020 Volume.52 No. 12 p.1891 ~ p.1897
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Shaping of the 3D genome by the ATPase machine cohesin
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Kim Yoo-Ri
Yu Hongtao
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Abstract
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The spatial organization of the genome is critical for fundamental biological processes, including transcription, genome replication, and segregation. Chromatin is compacted and organized with defined patterns and proper dynamics during the cell cycle. Aided by direct visualization and indirect genome reconstruction tools, recent discoveries have advanced our understanding of how interphase chromatin is dynamically folded at the molecular level. Here, we review the current understanding of interphase genome organization with a focus on the major regulator of genome structure, the cohesin complex. We further discuss how cohesin harnesses the energy of ATP hydrolysis to shape the genome by extruding chromatin loops.
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KEYWORD
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Chromatin structure, Transcriptional regulatory elements
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