Regulating the chromatin landscape: structural and mechanistic perspectives

B Bartholomew - Annual review of biochemistry, 2014 - annualreviews.org
A large family of chromatin remodelers that noncovalently modify chromatin is crucial in cell
development and differentiation. They are often the targets of cancer, neurological disorders …

Nucleosome sliding mechanisms: new twists in a looped history

F Mueller-Planitz, H Klinker, PB Becker - Nature structural & molecular …, 2013 - nature.com
Nucleosomes, the basic organizational units of chromatin, package and regulate eukaryotic
genomes. ATP-dependent nucleosome-remodeling factors endow chromatin with structural …

Nucleosomes impede Cas9 access to DNA in vivo and in vitro

MA Horlbeck, LB Witkowsky, B Guglielmi, JM Replogle… - elife, 2016 - elifesciences.org
The prokaryotic CRISPR (clustered regularly interspaced palindromic repeats)-associated
protein, Cas9, has been widely adopted as a tool for editing, imaging, and regulating …

Regulation of ISWI involves inhibitory modules antagonized by nucleosomal epitopes

CR Clapier, BR Cairns - Nature, 2012 - nature.com
Chromatin-remodelling complexes (CRCs) mobilize nucleosomes to mediate the access of
DNA-binding factors to their sites in vivo. These CRCs contain a catalytic subunit that bears …

Direct observation of coordinated DNA movements on the nucleosome during chromatin remodelling

A Sabantsev, RF Levendosky, X Zhuang… - Nature …, 2019 - nature.com
ATP-dependent chromatin remodelling enzymes (remodellers) regulate DNA accessibility in
eukaryotic genomes. Many remodellers reposition (slide) nucleosomes, however, how DNA …

Ruler elements in chromatin remodelers set nucleosome array spacing and phasing

E Oberbeckmann, V Niebauer, S Watanabe… - Nature …, 2021 - nature.com
Arrays of regularly spaced nucleosomes dominate chromatin and are often phased by
alignment to reference sites like active promoters. How the distances between nucleosomes …

Balancing chromatin remodeling and histone modifications in transcription

E Petty, L Pillus - Trends in Genetics, 2013 - cell.com
Chromatin remodelers use the energy of ATP hydrolysis to reposition or evict nucleosomes
or to replace canonical histones with histone variants. By regulating nucleosome dynamics …

The Chd1 chromatin remodeler shifts hexasomes unidirectionally

RF Levendosky, A Sabantsev, S Deindl, GD Bowman - Elife, 2016 - elifesciences.org
Despite their canonical two-fold symmetry, nucleosomes in biological contexts are often
asymmetric: functionalized with post-translational modifications (PTMs), substituted with …

A twist defect mechanism for ATP-dependent translocation of nucleosomal DNA

J Winger, IM Nodelman, RF Levendosky, GD Bowman - Elife, 2018 - elifesciences.org
As superfamily 2 (SF2)-type translocases, chromatin remodelers are expected to use an
inchworm-type mechanism to walk along DNA. Yet how they move DNA around the histone …

Interdomain communication of the Chd1 chromatin remodeler across the DNA gyres of the nucleosome

IM Nodelman, F Bleichert, A Patel, R Ren, KC Horvath… - Molecular cell, 2017 - cell.com
Chromatin remodelers use a helicase-like ATPase motor to reposition and reorganize
nucleosomes along genomic DNA. Yet, how the ATPase motor communicates with other …