Towards a unified model of SMC complex function

M Hassler, IA Shaltiel, CH Haering - Current Biology, 2018 - cell.com
Protein complexes built of structural maintenance of chromosomes (SMC) and kleisin
subunits, including cohesin, condensin and the Smc5/6 complex, are master organizers of …

Specialized functions of cohesins STAG1 and STAG2 in 3D genome architecture

A Cuadrado, A Losada - Current opinion in genetics & development, 2020 - Elsevier
Cohesin is a complex conserved in evolution that entraps DNA. Originally identified for its
role in sister chromatid cohesion, it is currently considered a key player in 3D genome …

Cohesin SA1 and SA2 are RNA binding proteins that localize to RNA containing regions on DNA

H Pan, M Jin, A Ghadiyaram, P Kaur… - Nucleic acids …, 2020 - academic.oup.com
Abstract Cohesin SA1 (STAG1) and SA2 (STAG2) are key components of the cohesin
complex. Previous studies have highlighted the unique contributions by SA1 and SA2 to 3D …

Studying protein-DNA interactions using atomic force microscopy

EC Beckwitt, M Kong, B Van Houten - Seminars in cell & developmental …, 2018 - Elsevier
Atomic force microscopy (AFM) has made significant contributions to the study of protein-
DNA interactions by making it possible to topographically image biological samples. A …

High-speed AFM imaging reveals DNA capture and loop extrusion dynamics by cohesin-NIPBL

P Kaur, X Lu, Q Xu, EM Irvin, C Pappas, H Zhang… - Journal of Biological …, 2023 - ASBMB
3D chromatin organization plays a critical role in regulating gene expression, DNA
replication, recombination, and repair. While initially discovered for its role in sister …

Cohesin SA2 is a sequence-independent DNA-binding protein that recognizes DNA replication and repair intermediates

P Countryman, Y Fan, A Gorthi, H Pan… - Journal of Biological …, 2018 - ASBMB
Proper chromosome alignment and segregation during mitosis depend on cohesion
between sister chromatids, mediated by the cohesin protein complex, which also plays …

Persistent telomere cohesion protects aged cells from premature senescence

K Azarm, A Bhardwaj, E Kim, S Smith - Nature communications, 2020 - nature.com
Human telomeres are bound by the telomere repeat binding proteins TRF1 and TRF2.
Telomere shortening in human cells leads to a DNA damage response that signals …

Loss of Tumor Suppressor STAG2 Promotes Telomere Recombination and Extends the Replicative Lifespan of Normal Human Cells

Z Daniloski, S Smith - Cancer research, 2017 - AACR
Sister chromatids are held together by cohesin, a tripartite ring with a peripheral SA1/2
subunit, where SA1 is required for telomere cohesion and SA2 for centromere cohesion. The …

TIN2 is an architectural protein that facilitates TRF2-mediated trans- and cis-interactions on telomeric DNA

P Kaur, R Barnes, H Pan, AC Detwiler… - Nucleic Acids …, 2021 - academic.oup.com
The telomere specific shelterin complex, which includes TRF1, TRF2, RAP1, TIN2, TPP1
and POT1, prevents spurious recognition of telomeres as double-strand DNA breaks and …

A mini-review of the diffusion dynamics of DNA-binding proteins: experiments and models

S Park, O Lee, X Durang, JH Jeon - Journal of the Korean Physical Society, 2021 - Springer
In the course of various biological processes, specific DNA-binding proteins must efficiently
find a particular target sequence/protein or a damaged site on the DNA. DNA-binding …