Genome control by SMC complexes

C Hoencamp, BD Rowland - Nature Reviews Molecular Cell Biology, 2023 - nature.com
Many cellular processes require large-scale rearrangements of chromatin structure.
Structural maintenance of chromosomes (SMC) protein complexes are molecular machines …

3D enhancer-promoter interactions and multi-connected hubs: Organizational principles and functional roles

CM Uyehara, E Apostolou - Cell reports, 2023 - cell.com
The spatiotemporal control of gene expression is dependent on the activity of cis-acting
regulatory sequences, called enhancers, which regulate target genes over variable genomic …

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 …

CTCF is a DNA-tension-dependent barrier to cohesin-mediated loop extrusion

IF Davidson, R Barth, M Zaczek, J van der Torre… - Nature, 2023 - nature.com
In eukaryotes, genomic DNA is extruded into loops by cohesin. By restraining this process,
the DNA-binding protein CCCTC-binding factor (CTCF) generates topologically associating …

Looping the genome with SMC complexes

E Kim, R Barth, C Dekker - Annual review of biochemistry, 2023 - annualreviews.org
SMC (structural maintenance of chromosomes) protein complexes are an evolutionarily
conserved family of motor proteins that hold sister chromatids together and fold genomes …

Cohesin mediates DNA loop extrusion by a “swing and clamp” mechanism

BW Bauer, IF Davidson, D Canena, G Wutz, W Tang… - Cell, 2021 - cell.com
Structural maintenance of chromosomes (SMC) complexes organize genome topology in all
kingdoms of life and have been proposed to perform this function by DNA loop extrusion …

A hold-and-feed mechanism drives directional DNA loop extrusion by condensin

IA Shaltiel, S Datta, L Lecomte, M Hassler… - Science, 2022 - science.org
Structural maintenance of chromosomes (SMC) protein complexes structure genomes by
extruding DNA loops, but the molecular mechanism that underlies their activity has …

CTCF and R-loops are boundaries of cohesin-mediated DNA looping

H Zhang, Z Shi, EJ Banigan, Y Kim, H Yu, X Bai… - Molecular cell, 2023 - cell.com
Cohesin and CCCTC-binding factor (CTCF) are key regulatory proteins of three-dimensional
(3D) genome organization. Cohesin extrudes DNA loops that are anchored by CTCF in a …

A walk through the SMC cycle: From catching DNAs to shaping the genome

R Oldenkamp, BD Rowland - Molecular cell, 2022 - cell.com
SMC protein complexes are molecular machines that provide structure to chromosomes.
These complexes bridge DNA elements and by doing so build DNA loops in cis and hold …

Dynamic ParB–DNA interactions initiate and maintain a partition condensate for bacterial chromosome segregation

M Tišma, R Janissen, H Antar… - Nucleic acids …, 2023 - academic.oup.com
In most bacteria, chromosome segregation is driven by the ParAB S system where the
CTPase protein ParB loads at the parS site to trigger the formation of a large partition …