The molecular principles of gene regulation by Polycomb repressive complexes

NP Blackledge, RJ Klose - Nature reviews Molecular cell biology, 2021‏ - nature.com
Precise control of gene expression is fundamental to cell function and development.
Although ultimately gene expression relies on DNA-binding transcription factors to guide the …

Regulation, functions and transmission of bivalent chromatin during mammalian development

TA Macrae, J Fothergill-Robinson… - … reviews Molecular cell …, 2023‏ - nature.com
Cells differentiate and progress through development guided by a dynamic chromatin
landscape that mediates gene expression programmes. During development, mammalian …

Symmetric inheritance of parental histones governs epigenome maintenance and embryonic stem cell identity

A Wenger, A Biran, N Alcaraz, A Redó-Riveiro… - Nature …, 2023‏ - nature.com
Modified parental histones are segregated symmetrically to daughter DNA strands during
replication and can be inherited through mitosis. How this may sustain the epigenome and …

K27M in canonical and noncanonical H3 variants occurs in distinct oligodendroglial cell lineages in brain midline gliomas

S Jessa, A Mohammadnia, AS Harutyunyan… - Nature …, 2022‏ - nature.com
Abstract Canonical (H3. 1/H3. 2) and noncanonical (H3. 3) histone 3 K27M-mutant gliomas
have unique spatiotemporal distributions, partner alterations and molecular profiles. The …

Molecular mechanisms directing PRC2 recruitment and H3K27 methylation

A Laugesen, JW Højfeldt, K Helin - Molecular cell, 2019‏ - cell.com
The polycomb repressive complex 2 (PRC2) is a chromatin-associated methyltransferase
catalyzing mono-, di-, and trimethylation of lysine 27 on histone H3 (H3K27). This activity is …

[HTML][HTML] Histone H2AK119 mono-ubiquitination is essential for polycomb-mediated transcriptional repression

S Tamburri, E Lavarone, D Fernández-Pérez… - Molecular cell, 2020‏ - cell.com
Polycomb group proteins (PcGs) maintain transcriptional repression to preserve cellular
identity in two distinct repressive complexes, PRC1 and PRC2, that modify histones by …

Chromatin replication and epigenetic cell memory

KR Stewart-Morgan, N Petryk, A Groth - Nature cell biology, 2020‏ - nature.com
Propagation of the chromatin landscape across cell divisions is central to epigenetic cell
memory. Mechanistic analysis of the interplay between DNA replication, the cell cycle, and …

Reevaluating the roles of histone-modifying enzymes and their associated chromatin modifications in transcriptional regulation

MAJ Morgan, A Shilatifard - Nature genetics, 2020‏ - nature.com
Histone-modifying enzymes are implicated in the control of diverse DNA-templated
processes including gene expression. Here, we outline historical and current thinking …

Context-specific Polycomb mechanisms in development

JJ Kim, RE Kingston - Nature Reviews Genetics, 2022‏ - nature.com
Polycomb group (PcG) proteins are crucial chromatin regulators that maintain repression of
lineage-inappropriate genes and are therefore required for stable cell fate. Recent advances …

H3K27M induces defective chromatin spread of PRC2-mediated repressive H3K27me2/me3 and is essential for glioma tumorigenesis

AS Harutyunyan, B Krug, H Chen… - Nature …, 2019‏ - nature.com
Lys-27-Met mutations in histone 3 genes (H3K27M) characterize a subgroup of deadly
gliomas and decrease genome-wide H3K27 trimethylation. Here we use primary H3K27M …