Emerging roles of nuclear bodies in genome spatial organization

L Shan, P Li, H Yu, LL Chen - Trends in Cell Biology, 2023 - cell.com
Nuclear bodies (NBs) are biomolecular condensates that participate in various cellular
processes and respond to cellular stimuli in the nucleus. The assembly and function of these …

Region Capture Micro-C reveals coalescence of enhancers and promoters into nested microcompartments

VY Goel, MK Huseyin, AS Hansen - Nature genetics, 2023 - nature.com
Although enhancers are central regulators of mammalian gene expression, the mechanisms
underlying enhancer–promoter (EP) interactions remain unclear. Chromosome …

Epigenetic pioneering by SWI/SNF family remodelers

K Ahmad, S Brahma, S Henikoff - Molecular Cell, 2024 - cell.com
In eukaryotic genomes, transcriptional machinery and nucleosomes compete for binding to
DNA sequences; thus, a crucial aspect of gene regulatory element function is to modulate …

Ultra-long-range interactions between active regulatory elements

ET Friman, IM Flyamer, D Marenduzzo… - Genome …, 2023 - genome.cshlp.org
Contacts between enhancers and promoters are thought to relate to their ability to activate
transcription. Investigating factors that contribute to such chromatin interactions is therefore …

Chromatin analysis of adult pluripotent stem cells reveals a unique stemness maintenance strategy

A Poulet, AJ Kratkiewicz, D Li, JC van Wolfswinkel - Science Advances, 2023 - science.org
Many highly regenerative organisms maintain adult pluripotent stem cells throughout their
life, but how the long-term maintenance of pluripotency is accomplished is unclear. To …

eRNA co-expression network uncovers TF dependency and convergent cooperativity

SA Lee, K Kristjánsdóttir, H Kwak - Scientific Reports, 2023 - nature.com
Enhancer RNAs (eRNAs) are non-coding RNAs produced by transcriptional enhancers that
are highly correlated with their activity. Using a capped nascent RNA sequencing (PRO-cap) …

[HTML][HTML] Mechanistic drivers of chromatin organization into compartments

HL Harris, MJ Rowley - Current Opinion in Genetics & Development, 2024 - Elsevier
Highlights•Recent work indicates that chromatin compartments can finely segregate
genomic intervals that are 1–2 kb in size.•Evidence both supports and refutes several …

Dynamic microenvironments shape nuclear organization and gene expression

G Hayward-Lara, MD Fischer, M Mir - Current Opinion in Genetics & …, 2024 - Elsevier
Highlights•Microenvironments are local high concentrations of multiple nuclear factors.•
Microenvironments form due to protein–protein and protein–chromatin interactions.•Local …

Stem-loop and circle-loop TADs generated by directional pairing of boundary elements have distinct physical and regulatory properties

W Ke, M Fujioka, P Schedl, JB Jaynes - Elife, 2024 - elifesciences.org
The chromosomes in multicellular eukaryotes are organized into a series of topologically
independent loops called TADs. In flies, TADs are formed by physical interactions between …

Inheritance of epigenetic transcriptional memory

T Ge, JH Brickner - Current Opinion in Genetics & Development, 2024 - Elsevier
Highlights•Epigenetic transcriptional regulation allows for maintenance of stable expression
states.•Epigenetic regulation requires DNA methylation, lncRNAs or histone modifications.• …