The Mediator complex as a master regulator of transcription by RNA polymerase II

WF Richter, S Nayak, J Iwasa, DJ Taatjes - Nature Reviews Molecular …, 2022 - nature.com
The Mediator complex, which in humans is 1.4 MDa in size and includes 26 subunits,
controls many aspects of RNA polymerase II (Pol II) function. Apart from its size, a defining …

Regulation of the RNA polymerase II pre-initiation complex by its associated coactivators

S Malik, RG Roeder - Nature Reviews Genetics, 2023 - nature.com
Abstract The RNA polymerase II (Pol II) pre-initiation complex (PIC) is a critical node in
eukaryotic transcription regulation, and its formation is the major rate-limiting step in …

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) …

3D enhancer-promoter interactions and multi-connected hubs: Organizational principles and functional roles

CM Uyehara, E Apostolou - Cell reports, 2023 - cell.com
The spatiotemporal control of gene expression is dependent on the activity of cis-acting
regulatory sequences, called enhancers, which regulate target genes over variable genomic …

The Polycomb system sustains promoters in a deep OFF state by limiting pre-initiation complex formation to counteract transcription

AT Szczurek, E Dimitrova, JR Kelley… - Nature Cell …, 2024 - nature.com
The Polycomb system has fundamental roles in regulating gene expression during
mammalian development. However, how it controls transcription to enable gene repression …

YY1-controlled regulatory connectivity and transcription are influenced by the cell cycle

JC Lam, NG Aboreden, SC Midla, S Wang, A Huang… - Nature Genetics, 2024 - nature.com
Few transcription factors have been examined for their direct roles in physically connecting
enhancers and promoters. Here acute degradation of Yin Yang 1 (YY1) in erythroid cells …

The Mediator complex regulates enhancer-promoter interactions

S Ramasamy, A Aljahani, MA Karpinska… - Nature Structural & …, 2023 - nature.com
Enhancer-mediated gene activation generally requires physical proximity between
enhancers and their target gene promoters. However, the molecular mechanisms by which …

Regulating specificity in enhancer–promoter communication

CC Galouzis, EEM Furlong - Current Opinion in Cell Biology, 2022 - Elsevier
Enhancers are cis-regulatory elements that can activate transcription remotely to regulate a
specific pattern of a gene's expression. Genes typically have many enhancers that are often …

Functional organization of RNA polymerase II in nuclear subcompartments

K Rippe, A Papantonis - Current Opinion in Cell Biology, 2022 - Elsevier
Distinct clusters of RNA polymerase II are responsible for gene transcription inside
eukaryotic cell nuclei. Despite the functional implications of such subnuclear organization …

Molecular architecture of enhancer–promoter interaction

K Hamamoto, T Fukaya - Current opinion in cell biology, 2022 - Elsevier
Temporal and spatial specificity of gene expression is highly regulated through a rich milieu
of regulatory DNAs embedded in the genome. Enhancers represent a major class of …