Evidence map›Paper›PMID 27723458›Full record

ArticleeLife2016

Live-cell single-molecule tracking reveals co-recognition of H3K27me3 and DNA targets polycomb Cbx7-PRC1 to chromatin.

Chao Yu Zhen, Roubina Tatavosian, Thao Ngoc Huynh, Huy Nguyen Duc, Raibatak Das, Marko Kokotovic, Jonathan B Grimm, Luke D Lavis, Jun Lee, Frances J Mejia and 3 more

Open access · goldAbstract read
In one paragraph

Article in eLife, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 78 papers.

0numbers the graph read from it
0cells of the map it votes in
78citing papers in PubMed
7.7field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

78 citing papers in PubMed, 129 citations in OpenAlex.

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18 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

13 authors at 3 institutions in 1 country.

Chao Yu ZhenDepartment of Chemistry, University of Colorado Denver, Denver, United States.
Roubina TatavosianDepartment of Chemistry, University of Colorado Denver, Denver, United States.
Thao Ngoc HuynhDepartment of Chemistry, University of Colorado Denver, Denver, United States.
Huy Nguyen DucDepartment of Chemistry, University of Colorado Denver, Denver, United States.
Raibatak DasDepartment of Integrative Biology, University of Colorado Denver, Denver, United States.
Marko KokotovicDepartment of Chemistry, University of Colorado Denver, Denver, United States.
Jonathan B GrimmJanelia Research Campus, Howard Hughes Medical Institute, Ashburn, United States.
Luke D LavisJanelia Research Campus, Howard Hughes Medical Institute, Ashburn, United States.
Jun LeeDepartment of Chemistry, University of Colorado Denver, Denver, United States.
Frances J MejiaDepartment of Chemistry, University of Colorado Denver, Denver, United States.
Yang LiDepartment of Chemistry, University of Colorado Denver, Denver, United States.
Tingting YaoDepartment of Biochemistry and Molecular Biology, Colorado State University, Fort Collins, United States.
Xiaojun RenDepartment of Chemistry, University of Colorado Denver, Denver, United States.ORCID 0000-0002-3931-7625
University of Colorado Denver · USHoward Hughes Medical Institute · USColorado State University · US

Funding

Regulation of a Deubiquitinating Enzyme in Proteolysis and Chromatin RemodelingR01GM098401 · NIGMS · COLORADO STATE UNIVERSITY · PI YAO, TINGTING · 2011 to 2021
$2.9M
Molecular Mechanisms of Chromosomal Segregation by Epigenetic RegulatorsR03CA191443 · NCI · UNIVERSITY OF COLORADO DENVER · PI REN, XIAOJUN · 2016 to 2017
$156k
NCI NIH HHS R03 CA191443NIGMS NIH HHS R01 GM098401
6 · The paper itself

Abstract

The Polycomb PRC1 plays essential roles in development and disease pathogenesis. Targeting of PRC1 to chromatin is thought to be mediated by the Cbx family proteins (Cbx2/4/6/7/8) binding to histone H3 with a K27me3 modification (H3K27me3). Despite this prevailing view, the molecular mechanisms of targeting remain poorly understood. Here, by combining live-cell single-molecule tracking (SMT) and genetic engineering, we reveal that H3K27me3 contributes significantly to the targeting of Cbx7 and Cbx8 to chromatin, but less to Cbx2, Cbx4, and Cbx6. Genetic disruption of the complex formation of PRC1 facilitates the targeting of Cbx7 to chromatin. Biochemical analyses uncover that the CD and AT-hook-like (ATL) motif of Cbx7 constitute a functional DNA-binding unit. Live-cell SMT of Cbx7 mutants demonstrates that Cbx7 is targeted to chromatin by co-recognizing of H3K27me3 and DNA. Our data suggest a novel hierarchical cooperation mechanism by which histone modifications and DNA coordinate to target chromatin regulatory complexes.

Indexed as

AnimalsCells, CulturedChromatinDNAHistonesMiceModels, BiologicalMouse Embryonic Stem CellsPolycomb Repressive Complex 1Protein BindingSingle Molecule ImagingCbx7 protein, mouseChromatinDNAHistonesPolycomb Repressive Complex 1biophysicschromatinchromosomescombinatorial recognitionEpigeneticsgeneslive-cell imagingnonePolycombsingle-molecule trackingstructural biology

Identifiers

PMID27723458
PMCPMC5056789
OpenAlexW2530719717

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.