Transcription regulation by biomolecular condensates

G Pei, H Lyons, P Li, BR Sabari - Nature Reviews Molecular Cell …, 2024 - nature.com
Biomolecular condensates regulate transcription by dynamically compartmentalizing the
transcription machinery. Classic models of transcription regulation focus on the recruitment …

[HTML][HTML] Global control of RNA polymerase II

A Gillis, S Berry - Biochimica et Biophysica Acta (BBA)-Gene Regulatory …, 2024 - Elsevier
Abstract RNA polymerase II (Pol II) is the multi-protein complex responsible for transcribing
all protein-coding messenger RNA (mRNA). Most research on gene regulation is focused on …

The miR-430 locus with extreme promoter density forms a transcription body during the minor wave of zygotic genome activation

Y Hadzhiev, L Wheatley, L Cooper, F Ansaloni… - Developmental cell, 2023 - cell.com
In anamniote embryos, the major wave of zygotic genome activation starts during the mid-
blastula transition. However, some genes escape global genome repression, are activated …

Activator-blocker model of transcriptional regulation by pioneer-like factors

AJ Riesle, M Gao, M Rosenblatt, J Hermes… - Nature …, 2023 - nature.com
Zygotic genome activation (ZGA) in the development of flies, fish, frogs and mammals
depends on pioneer-like transcription factors (TFs). Those TFs create open chromatin …

Localization of the Drosophila pioneer factor GAF to subnuclear foci is driven by DNA binding and required to silence satellite repeat expression

MM Gaskill, IV Soluri, AE Branks, AP Boka… - Developmental Cell, 2023 - cell.com
The eukaryotic genome is organized to enable the precise regulation of gene expression.
This organization is established as the embryo transitions from a fertilized gamete to a …

Stepwise modifications of transcriptional hubs link pioneer factor activity to a burst of transcription

CY Cho, PH O'Farrell - Nature Communications, 2023 - nature.com
Binding of transcription factors (TFs) promotes the subsequent recruitment of coactivators
and preinitiation complexes to initiate eukaryotic transcription, but this time course is usually …

[HTML][HTML] Nanog organizes transcription bodies

K Kuznetsova, NM Chabot, M Ugolini, E Wu, M Lalit… - Current Biology, 2023 - cell.com
The localization of transcriptional activity in specialized transcription bodies is a hallmark of
gene expression in eukaryotic cells. 1–3 How proteins of the transcriptional machinery come …

Coordinating transcription and replication to mitigate their conflicts in early Drosophila embryos

CY Cho, JP Kemp, RJ Duronio, PH O'Farrell - Cell reports, 2022 - cell.com
Collisions between transcribing RNA polymerases and DNA replication forks are disruptive.
The threat of collisions is particularly acute during the rapid early embryonic cell cycles of …

Developmental Control of Cell Cycle and Signaling

S Di Talia - Cold Spring Harbor Perspectives in Biology, 2024 - cshperspectives.cshlp.org
In most species, the earliest stages of embryogenesis are characterized by rapid
proliferation, which must be tightly controlled with other cellular processes across the large …

Chromatin expansion microscopy reveals nanoscale organization of transcription and chromatin

ME Pownall, L Miao, CE Vejnar, O M'Saad, A Sherrard… - Science, 2023 - science.org
Nanoscale chromatin organization regulates gene expression. Although chromatin is
notably reprogrammed during zygotic genome activation (ZGA), the organization of …