PRC2 is high maintenance

JR Yu, CH Lee, O Oksuz, JM Stafford… - Genes & …, 2019 - genesdev.cshlp.org
As the process that silences gene expression ensues during development, the stage is set
for the activity of Polycomb-repressive complex 2 (PRC2) to maintain these repressed gene …

Polycomb gene silencing mechanisms: PRC2 chromatin targeting, H3K27me3'readout', and phase separation-based compaction

Y Guo, S Zhao, GG Wang - Trends in Genetics, 2021 - cell.com
Modulation of chromatin structure and/or modification by Polycomb repressive complexes
(PRCs) provides an important means to partition the genome into functionally distinct …

Polycomb condensates can promote epigenetic marks but are not required for sustained chromatin compaction

JM Eeftens, M Kapoor, D Michieletto… - Nature …, 2021 - nature.com
Organization of the genome into transcriptionally active euchromatin and silenced
heterochromatin is essential for eukaryotic cell function. Phase-separation has been …

Phase-separated transcriptional condensates accelerate target-search process revealed by live-cell single-molecule imaging

S Kent, K Brown, C Yang, N Alsaihati, C Tian, H Wang… - Cell reports, 2020 - cell.com
Compartmentalization by liquid-liquid phase separation is implicated in transcription. It
remains unclear whether and how transcriptional condensates accelerate the search of …

Histone variant and cell context determine H3K27M reprogramming of the enhancer landscape and oncogenic state

S Nagaraja, MA Quezada, SM Gillespie, M Arzt… - Molecular cell, 2019 - cell.com
Development of effective targeted cancer therapies is fundamentally limited by our
molecular understanding of disease pathogenesis. Diffuse intrinsic pontine glioma (DIPG) is …

Multiple modes of PRC2 inhibition elicit global chromatin alterations in H3K27M pediatric glioma

JM Stafford, CH Lee, P Voigt, N Descostes… - Science …, 2018 - science.org
A methionine substitution at lysine-27 on histone H3 variants (H3K27M) characterizes~ 80%
of diffuse intrinsic pontine gliomas (DIPG) and inhibits polycomb repressive complex 2 …

Transcription dynamics and genome organization in the mammalian nucleus: Recent advances

K Wagh, DA Stavreva, GL Hager - Molecular Cell, 2024 - cell.com
Single-molecule tracking (SMT) has emerged as the dominant technology to investigate the
dynamics of chromatin-transcription factor (TF) interactions. How long a TF needs to bind to …

Spatiotemporal coordination of transcription preinitiation complex assembly in live cells

VQ Nguyen, A Ranjan, S Liu, X Tang, YH Ling… - Molecular cell, 2021 - cell.com
Transcription initiation by RNA polymerase II (RNA Pol II) requires preinitiation complex
(PIC) assembly at gene promoters. In the dynamic nucleus, where thousands of promoters …

Histone H3 mutations: an updated view of their role in chromatin deregulation and cancer

BR Lowe, LA Maxham, JJ Hamey, MR Wilkins… - Cancers, 2019 - mdpi.com
In this review, we describe the attributes of histone H3 mutants identified in cancer. H3
mutants were first identified in genes encoding H3. 3, in pediatric high-grade glioma, and …

Kinetic principles underlying pioneer function of GAGA transcription factor in live cells

X Tang, T Li, S Liu, J Wisniewski, Q Zheng… - Nature structural & …, 2022 - nature.com
How pioneer factors interface with chromatin to promote accessibility for transcription control
is poorly understood in vivo. Here, we directly visualize chromatin association by the …