Enhancer–promoter contact formation requires RNAPII and antagonizes loop extrusion

S Zhang, N Übelmesser, M Barbieri, A Papantonis - Nature genetics, 2023 - nature.com
Homotypic chromatin interactions and loop extrusion are thought to be the two main drivers
of mammalian chromosome folding. Here we tested the role of RNA polymerase II (RNAPII) …

Transcription shapes 3D chromatin organization by interacting with loop extrusion

EJ Banigan, W Tang… - Proceedings of the …, 2023 - National Acad Sciences
Cohesin folds mammalian interphase chromosomes by extruding the chromatin fiber into
numerous loops.“Loop extrusion” can be impeded by chromatin-bound factors, such as …

RNA polymerase II is required for spatial chromatin reorganization following exit from mitosis

S Zhang, N Übelmesser, N Josipovic, G Forte… - Science …, 2021 - science.org
Mammalian chromosomes are three-dimensional entities shaped by converging and
opposing forces. Mitotic cell division induces marked chromosome condensation, but …

[HTML][HTML] Analysis of sub-kilobase chromatin topology reveals nano-scale regulatory interactions with variable dependence on cohesin and CTCF

A Aljahani, P Hua, MA Karpinska, K Quililan… - Nature …, 2022 - nature.com
Enhancers and promoters predominantly interact within large-scale topologically
associating domains (TADs), which are formed by loop extrusion mediated by cohesin and …

[HTML][HTML] Gain of CTCF-anchored chromatin loops marks the exit from naive pluripotency

A Pękowska, B Klaus, W Xiang, J Severino, N Daigle… - Cell Systems, 2018 - cell.com
The genome of pluripotent stem cells adopts a unique three-dimensional architecture
featuring weakly condensed heterochromatin and large nucleosome-free regions. Yet, it is …

Enhancer hubs and loop collisions identified from single-allele topologies

A Allahyar, C Vermeulen, BAM Bouwman, PHL Krijger… - Nature …, 2018 - nature.com
Chromatin folding contributes to the regulation of genomic processes such as gene activity.
Existing conformation capture methods characterize genome topology through analysis of …

The macro and micro of chromosome conformation capture

VY Goel, AS Hansen - Wiley Interdisciplinary Reviews …, 2021 - Wiley Online Library
The 3D organization of the genome facilitates gene regulation, replication, and repair,
making it a key feature of genomic function and one that remains to be properly understood …

A mechanism of cohesin‐dependent loop extrusion organizes zygotic genome architecture

J Gassler, HB Brandão, M Imakaev, IM Flyamer… - The EMBO …, 2017 - embopress.org
Fertilization triggers assembly of higher‐order chromatin structure from a condensed
maternal and a naïve paternal genome to generate a totipotent embryo. Chromatin loops …

[HTML][HTML] Resolving the 3D landscape of transcription-linked mammalian chromatin folding

THS Hsieh, C Cattoglio, E Slobodyanyuk, AS Hansen… - Molecular cell, 2020 - cell.com
Whereas folding of genomes at the large scale of epigenomic compartments and
topologically associating domains (TADs) is now relatively well understood, how chromatin …

New insights into genome folding by loop extrusion from inducible degron technologies

E de Wit, EP Nora - Nature Reviews Genetics, 2023 - nature.com
Chromatin folds into dynamic loops that often span hundreds of kilobases and physically
wire distant loci together for gene regulation. These loops are continuously created …