Regulation of gene expression by cis-acting long non-coding RNAs

N Gil, I Ulitsky - Nature Reviews Genetics, 2020 - nature.com
Long non-coding RNAs (lncRNAs) are diverse transcription products emanating from
thousands of loci in mammalian genomes. Cis-acting lncRNAs, which constitute a …

Is euchromatin really open in the cell?

K Maeshima, S Iida, MA Shimazoe, S Tamura… - Trends in Cell Biology, 2024 - cell.com
Genomic DNA is wrapped around a core histone octamer and forms a nucleosome. In
higher eukaryotic cells, strings of nucleosomes are irregularly folded as chromatin domains …

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) …

The auxin-inducible degron 2 technology provides sharp degradation control in yeast, mammalian cells, and mice

A Yesbolatova, Y Saito, N Kitamoto… - Nature …, 2020 - nature.com
Protein knockdown using the auxin-inducible degron (AID) technology is useful to study
protein function in living cells because it induces rapid depletion, which makes it possible to …

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 …

Structure of native chromatin fibres revealed by Cryo-ET in situ

Z Hou, F Nightingale, Y Zhu… - Nature …, 2023 - nature.com
The structure of chromatin plays pivotal roles in regulating gene transcription, DNA
replication and repair, and chromosome segregation. This structure, however, remains …

Liquid–liquid phase separation in chromatin

K Rippe - Cold Spring Harbor perspectives in biology, 2022 - cshperspectives.cshlp.org
In eukaryotic cells, protein and RNA factors involved in genome activities like transcription,
RNA processing, DNA replication, and repair accumulate in self-organizing membraneless …

Transcription organizes euchromatin via microphase separation

L Hilbert, Y Sato, K Kuznetsova, T Bianucci… - Nature …, 2021 - nature.com
In eukaryotes, DNA is packed inside the cell nucleus in the form of chromatin, which consists
of DNA, proteins such as histones, and RNA. Euchromatin, which is permissive for …

Transcription factor dynamics: one molecule at a time

K Wagh, DA Stavreva, A Upadhyaya… - Annual Review of Cell …, 2023 - annualreviews.org
Cells must tightly regulate their gene expression programs and yet rapidly respond to acute
biochemical and biophysical cues within their environment. This information is transmitted to …

Liquid chromatin Hi-C characterizes compartment-dependent chromatin interaction dynamics

H Belaghzal, T Borrman, AD Stephens, DL Lafontaine… - Nature …, 2021 - nature.com
Nuclear compartmentalization of active and inactive chromatin is thought to occur through
microphase separation mediated by interactions between loci of similar type. The nature and …