Polycomb and Trithorax Group Genes in Drosophila

JA Kassis, JA Kennison, JW Tamkun - Genetics, 2017 - academic.oup.com
Abstract Polycomb group (PcG) and Trithorax group (TrxG) genes encode important
regulators of development and differentiation in metazoans. These two groups of genes …

What are memories made of? How Polycomb and Trithorax proteins mediate epigenetic memory

PA Steffen, L Ringrose - Nature reviews molecular cell biology, 2014 - nature.com
In any biological system with memory, the state of the system depends on its history.
Epigenetic memory maintains gene expression states through cell generations without a …

[HTML][HTML] Bromodomain protein BRD4 is a transcriptional repressor of autophagy and lysosomal function

J Sakamaki, S Wilkinson, M Hahn, N Tasdemir… - Molecular cell, 2017 - cell.com
Autophagy is a membrane-trafficking process that directs degradation of cytoplasmic
material in lysosomes. The process promotes cellular fidelity, and while the core machinery …

Different enhancer classes in Drosophila bind distinct architectural proteins and mediate unique chromatin interactions and 3D architecture

C Cubenas-Potts, MJ Rowley, X Lyu, G Li… - Nucleic acids …, 2017 - academic.oup.com
Eukaryotic gene expression is regulated by enhancer–promoter interactions but the
molecular mechanisms that govern specificity have remained elusive. Genome-wide studies …

The BET protein BRD2 cooperates with CTCF to enforce transcriptional and architectural boundaries

SC Hsu, TG Gilgenast, CR Bartman, CR Edwards… - Molecular cell, 2017 - cell.com
Bromodomain and extraterminal motif (BET) proteins are pharmacologic targets for the
treatment of diverse diseases, yet the roles of individual BET family members remain …

[HTML][HTML] Visualizing the role of boundary elements in enhancer-promoter communication

M Yokoshi, K Segawa, T Fukaya - Molecular cell, 2020 - cell.com
Formation of self-associating loop domains is a fundamental organizational feature of
metazoan genomes. Here, we employed quantitative live-imaging methods to visualize …

The quest for mammalian Polycomb response elements: are we there yet?

M Bauer, J Trupke, L Ringrose - Chromosoma, 2016 - Springer
A long-standing mystery in the field of Polycomb and Trithorax regulation is how these
proteins, which are highly conserved between flies and mammals, can regulate several …

Bromodomains and their pharmacological inhibitors

D Gallenkamp, KA Gelato, B Haendler… - …, 2014 - Wiley Online Library
Over 60 bromodomains belonging to proteins with very different functions have been
identified in humans. Several of them interact with acetylated lysine residues, leading to the …

Dynamic enhancer–gene body contacts during transcription elongation

K Lee, CCS Hsiung, P Huang, A Raj… - Genes & …, 2015 - genesdev.cshlp.org
Enhancers govern transcription through multiple mechanisms, including the regulation of
elongation by RNA polymerase II (RNAPII). We characterized the dynamics of looped …

Theoretical analysis of Polycomb-Trithorax systems predicts that poised chromatin is bistable and not bivalent

K Sneppen, L Ringrose - Nature communications, 2019 - nature.com
Abstract Polycomb (PcG) and Trithorax (TrxG) group proteins give stable epigenetic memory
of silent and active gene expression states, but also allow poised states in pluripotent cells …