Multifaceted regulation and functions of 53BP1 in NHEJ‑mediated DSB repair

T Lei, S Du, Z Peng, L Chen - … Journal of Molecular …, 2022 - spandidos-publications.com
The repair of DNA double‑strand breaks (DSBs) is crucial for the preservation of genomic
integrity and the maintenance of cellular homeostasis. Non‑homologous DNA end joining …

The rich inner life of the cell nucleus: dynamic organization, active flows, and emergent rheology

A Zidovska - Biophysical Reviews, 2020 - Springer
The cell nucleus stores the genetic material essential for life, and provides the environment
for transcription, maintenance, and replication of the genome. Moreover, the nucleoplasm is …

Euchromatin activity enhances segregation and compaction of heterochromatin in the cell nucleus

A Mahajan, W Yan, A Zidovska, D Saintillan… - Physical Review X, 2022 - APS
The large-scale organization of the genome inside the cell nucleus is critical for the cell's
function. Chromatin—the functional form of DNA in cells—serves as a template for active …

Interphase chromatin undergoes a local sol-gel transition upon cell differentiation

I Eshghi, JA Eaton, A Zidovska - Physical review letters, 2021 - APS
Cell differentiation, the process by which stem cells become specialized cells, is associated
with chromatin reorganization inside the cell nucleus. Here, we measure the chromatin …

Reconfiguration, swelling and tagged monomer dynamics of a single polymer chain in Gaussian and non-Gaussian active baths

K Goswami, S Chaki… - Journal of Physics A …, 2022 - iopscience.iop.org
In this topical review, we give an overview of the structure and dynamics of a single polymer
chain in active baths, Gaussian or non-Gaussian. The review begins with the discussion of …

Chromosome dynamics during interphase: a biophysical perspective

MMC Tortora, H Salari, D Jost - Current opinion in genetics & development, 2020 - Elsevier
The dynamic nature of chromosome organization plays a central role in the regulation of
many crucial processes, such as DNA transcription and replication. However, the molecular …

ATM–ESCO2–SMC3 axis promotes 53BP1 recruitment in response to DNA damage and safeguards genome integrity by stabilizing cohesin complex

J Fu, S Zhou, H Xu, L Liao, H Shen, P Du… - Nucleic acids …, 2023 - academic.oup.com
Abstract 53BP1 is primarily known as a key regulator in DNA double-strand break (DSB)
repair. However, the mechanism of DSB-triggered cohesin modification-modulated …

Technological advances in probing 4D genome organization

J Soroczynski, VI Risca - Current Opinion in Cell Biology, 2023 - Elsevier
The last two decades of work on chromosome conformation in eukaryotic nuclei have
revealed a complex and highly regulated hierarchy of architectural features, from self …

The self-stirred genome: large-scale chromatin dynamics, its biophysical origins and implications

A Zidovska - Current opinion in genetics & development, 2020 - Elsevier
The organization and dynamics of human genome govern all cellular processes—directly
impacting the central dogma of biology—yet are poorly understood, especially at large …

Spatial organization of chromosomes leads to heterogeneous chromatin motion and drives the liquid-or gel-like dynamical behavior of chromatin

H Salari, M Di Stefano, D Jost - Genome research, 2022 - genome.cshlp.org
Chromosome organization and dynamics are involved in regulating many fundamental
processes such as gene transcription and DNA repair. Experiments unveiled that chromatin …