Chromatin's physical properties shape the nucleus and its functions

AD Stephens, EJ Banigan, JF Marko - Current opinion in cell biology, 2019 - Elsevier
The cell nucleus encloses, organizes, and protects the genome. Chromatin maintains
nuclear mechanical stability and shape in coordination with lamins and the cytoskeleton …

Dynamic chromatin organization without the 30-nm fiber

K Maeshima, S Ide, M Babokhov - Current opinion in cell biology, 2019 - Elsevier
Chromatin in eukaryotic cells is a negatively charged polymer composed of DNA, histones,
and various associated proteins. Over the past ten years, our view of chromatin has shifted …

Condensed but liquid-like domain organization of active chromatin regions in living human cells

T Nozaki, S Shinkai, S Ide, K Higashi, S Tamura… - Science …, 2023 - science.org
In eukaryotes, higher-order chromatin organization is spatiotemporally regulated as
domains, for various cellular functions. However, their physical nature in living cells remains …

[HTML][HTML] Condensed chromatin behaves like a solid on the mesoscale in vitro and in living cells

H Strickfaden, TO Tolsma, A Sharma, DA Underhill… - Cell, 2020 - cell.com
The association of nuclear DNA with histones to form chromatin is essential for temporal and
spatial control of eukaryotic genomes. In this study, we examined the physical state of …

Live-cell micromanipulation of a genomic locus reveals interphase chromatin mechanics

VIP Keizer, S Grosse-Holz, M Woringer, L Zambon… - Science, 2022 - science.org
Our understanding of the physical principles organizing the genome in the nucleus is limited
by the lack of tools to directly exert and measure forces on interphase chromosomes in vivo …

[HTML][HTML] Nuclear lamins: Structure and function in mechanobiology

A Vahabikashi, SA Adam, O Medalia… - APL bioengineering, 2022 - pubs.aip.org
Nuclear lamins are type V intermediate filament proteins that polymerize into complex
filamentous meshworks at the nuclear periphery and in less structured forms throughout the …

[HTML][HTML] A transient rise in free Mg2+ ions released from ATP-Mg hydrolysis contributes to mitotic chromosome condensation

K Maeshima, T Matsuda, Y Shindo, H Imamura… - Current Biology, 2018 - cell.com
For cell division, negatively charged chromatin, in which nucleosome fibers (10 nm fibers)
are irregularly folded [1–5], must be condensed into chromosomes and segregated. While …

Fluid-like chromatin: Toward understanding the real chromatin organization present in the cell

K Maeshima, S Tamura, JC Hansen, Y Itoh - Current opinion in cell biology, 2020 - Elsevier
Eukaryotic chromatin is a negatively charged polymer consisting of genomic DNA, histones,
and various nonhistone proteins. Because of its highly charged character, the structure of …

The solid and liquid states of chromatin

JC Hansen, K Maeshima, MJ Hendzel - Epigenetics & Chromatin, 2021 - Springer
The review begins with a concise description of the principles of phase separation. This is
followed by a comprehensive section on phase separation of chromatin, in which we recount …

Scaffold, mechanics and functions of nuclear lamins

A Buxboim, R Kronenberg‐Tenga, S Salajkova… - FEBS …, 2023 - Wiley Online Library
Nuclear lamins are type‐V intermediate filaments that are involved in many nuclear
processes. In mammals, A‐and B‐type lamins assemble into separate physical meshwork …