Evidence map›Paper›PMID 29358759›Full record

ArticleNature structural & molecular biology2018

TRF1 participates in chromosome end protection by averting TRF2-dependent telomeric R loops.

Yong Woo Lee, Rajika Arora, Harry Wischnewski, Claus M Azzalin

Abstract read
In one paragraph

Article in Nature structural & molecular biology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.

0numbers the graph read from it
0cells of the map it votes in
53citing papers in PubMed
5.5field-weighted citation impact, top 4% 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

53 citing papers in PubMed, 74 citations in OpenAlex.

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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

4 authors at 2 institutions in 3 countries.

Yong Woo LeeInstituto de Medicina Molecular (iMM Lisboa), Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal.
Rajika AroraInstituto de Medicina Molecular (iMM Lisboa), Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal.
Harry WischnewskiInstitute of Biochemistry (IBC), Eidgenössische Technische Hochschule Zürich (ETHZ), Zurich, Switzerland.
Claus M AzzalinInstituto de Medicina Molecular (iMM Lisboa), Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal. cmazzalin@medicina.ulisboa.pt.ORCID http://orcid.org/0000-0002-9396-1980
University of Lisbon · PTETH Zurich · CH

Funding

European Research Council 242714
6 · The paper itself

Abstract

The shelterin protein TRF2 assembles protective T loops at chromosome ends by stimulating intramolecular invasion of the telomeric G-rich single-stranded DNA (ssDNA) overhang into the duplex telomeric array. The other shelterin factor, TRF1, is thought to mainly facilitate telomeric dsDNA replication without directly participating in end protection. Here we show that in vitro human TRF2 stimulates invasion of G-rich TERRA-like RNA into telomeric dsDNA, leading to formation of telomeric RNA-DNA hybrids (telR loops). The N-terminal basic domain of TRF2 binds to TERRA-like RNA and enables TRF2 to promote efficient RNA invasion. TRF1, through its N-terminal acidic domain, counteracts TRF2-mediated RNA invasion but not ssDNA invasion. In vivo, when TRF1 is depleted or replaced with a variant lacking the acidic domain, TRF2 induces formation of telR loops, which in turn cause telomere loss. Hence, uncontrolled TRF2 threatens telomere integrity, and TRF1 directly supports end protection by suppressing harmful telR loops.

Indexed as

Cell Line, TumorDNADNA, Single-StrandedHeLa CellsHumansIn Situ Hybridization, FluorescenceOligonucleotidesProtein BindingProtein DomainsRNATelomereTelomeric Repeat Binding Protein 1Telomeric Repeat Binding Protein 2DNADNA, Single-StrandedOligonucleotidesRNATelomeric Repeat Binding Protein 1Telomeric Repeat Binding Protein 2TERF2 protein, human

Identifiers

PMID29358759
PMCPMC5808845
OpenAlexW2788748926

What OpenQuestion holds

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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.