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NIPBL and cohesin: new take on a classic tale.

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NIPBLandcohesin_2023.pdf (2.13 MB)
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URI: http://hdl.handle.net/20.500.12105/17653
DOI: 10.1016/j.tcb.2023.03.006
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2023-10
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Elsevier
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Cohesin folds the genome in dynamic chromatin loops and holds the sister chromatids together. NIPBLScc2 is currently considered the cohesin loader, a role that may need reevaluation. NIPBL activates the cohesin ATPase, which is required for topological entrapment of sister DNAs and to fuel DNA loop extrusion, but is not required for chromatin association. Mechanistic dissection of these processes suggests that both NIPBL and the cohesin STAG subunit bind DNA. NIPBL also regulates conformational switches of the complex. Interactions of NIPBL with chromatin factors, including remodelers, replication proteins, and the transcriptional machinery, affect cohesin loading and distribution. Here, we discuss recent research addressing how NIPBL modulates cohesin activities and how its mutation causes a developmental disorder, Cornelia de Lange Syndrome (CdLS).
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Cell Cycle Proteins Chromosomal Proteins, Non-Histone Humans Chromatin Cohesins
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Trends Cell Biol . 2023;33(10):860-871.
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https://doi.org/10.1016/j.tcb.2023.03.006.
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journal article