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Cohesin depleted cells rebuild functional nuclear compartments after endomitosis

Cremer, Marion ; Brandstetter, Katharina ; Maiser, Andreas ; Rao, Suhas S. P. ; Schmid, Volker J. ; Guirao-Ortiz, Miguel ; Mitra, Namita ; Mamberti, Stefania ; Klein, Kyle N. ; Gilbert, David M. ; Leonhardt, Heinrich ; Cardoso, M. Cristina ; Lieberman Aiden, Erez ; Harz, Hartmann ; Cremer, Thomas (2024)
Cohesin depleted cells rebuild functional nuclear compartments after endomitosis.
In: Nature Communications, 2020, 11 (1)
doi: 10.26083/tuprints-00023980
Artikel, Zweitveröffentlichung, Verlagsversion

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Kurzbeschreibung (Abstract)

Cohesin plays an essential role in chromatin loop extrusion, but its impact on a compartmentalized nuclear architecture, linked to nuclear functions, is less well understood. Using live-cell and super-resolved 3D microscopy, here we find that cohesin depletion in a human colon cancer derived cell line results in endomitosis and a single multilobulated nucleus with chromosome territories pervaded by interchromatin channels. Chromosome territories contain chromatin domain clusters with a zonal organization of repressed chromatin domains in the interior and transcriptionally competent domains located at the periphery. These clusters form microscopically defined, active and inactive compartments, which likely correspond to A/B compartments, which are detected with ensemble Hi-C. Splicing speckles are observed nearby within the lining channel system. We further observe that the multilobulated nuclei, despite continuous absence of cohesin, pass through S-phase with typical spatio-temporal patterns of replication domains. Evidence for structural changes of these domains compared to controls suggests that cohesin is required for their full integrity.

Typ des Eintrags: Artikel
Erschienen: 2024
Autor(en): Cremer, Marion ; Brandstetter, Katharina ; Maiser, Andreas ; Rao, Suhas S. P. ; Schmid, Volker J. ; Guirao-Ortiz, Miguel ; Mitra, Namita ; Mamberti, Stefania ; Klein, Kyle N. ; Gilbert, David M. ; Leonhardt, Heinrich ; Cardoso, M. Cristina ; Lieberman Aiden, Erez ; Harz, Hartmann ; Cremer, Thomas
Art des Eintrags: Zweitveröffentlichung
Titel: Cohesin depleted cells rebuild functional nuclear compartments after endomitosis
Sprache: Englisch
Publikationsjahr: 25 September 2024
Ort: Darmstadt
Publikationsdatum der Erstveröffentlichung: 1 Dezember 2020
Ort der Erstveröffentlichung: London
Verlag: Springer Nature
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Nature Communications
Jahrgang/Volume einer Zeitschrift: 11
(Heft-)Nummer: 1
Kollation: 16 Seiten
DOI: 10.26083/tuprints-00023980
URL / URN: https://tuprints.ulb.tu-darmstadt.de/23980
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Herkunft: Zweitveröffentlichung DeepGreen
Kurzbeschreibung (Abstract):

Cohesin plays an essential role in chromatin loop extrusion, but its impact on a compartmentalized nuclear architecture, linked to nuclear functions, is less well understood. Using live-cell and super-resolved 3D microscopy, here we find that cohesin depletion in a human colon cancer derived cell line results in endomitosis and a single multilobulated nucleus with chromosome territories pervaded by interchromatin channels. Chromosome territories contain chromatin domain clusters with a zonal organization of repressed chromatin domains in the interior and transcriptionally competent domains located at the periphery. These clusters form microscopically defined, active and inactive compartments, which likely correspond to A/B compartments, which are detected with ensemble Hi-C. Splicing speckles are observed nearby within the lining channel system. We further observe that the multilobulated nuclei, despite continuous absence of cohesin, pass through S-phase with typical spatio-temporal patterns of replication domains. Evidence for structural changes of these domains compared to controls suggests that cohesin is required for their full integrity.

Freie Schlagworte: Chromatin structure, DNA replication, Genome, Nuclear organization, Super-resolution microscopy
ID-Nummer: Artikel-ID: 6146
Status: Verlagsversion
URN: urn:nbn:de:tuda-tuprints-239807
Sachgruppe der Dewey Dezimalklassifikatin (DDC): 500 Naturwissenschaften und Mathematik > 570 Biowissenschaften, Biologie
Fachbereich(e)/-gebiet(e): 10 Fachbereich Biologie
10 Fachbereich Biologie > Cell Biology and Epigenetics
Hinterlegungsdatum: 25 Sep 2024 11:43
Letzte Änderung: 26 Sep 2024 07:32
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