Evidence map›Paper›PMID 7489732›Full record

ArticleThe EMBO journal1995

Mechanisms underlying telomere repeat turnover, revealed by hypervariable variant repeat distribution patterns in the human Xp/Yp telomere.

D M Baird, A J Jeffreys, N J Royle

Open access · greenAbstract read
In one paragraph

Article in The EMBO journal, 1995. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
52citing papers in PubMed, 1 pooled it
1.1field-weighted citation impact, top 24% 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

52 citing papers in PubMed, 1 synthesis or guideline pooled it, 121 citations in OpenAlex.

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  16. The absence of (TCAGGG)Scientific reports · 2020
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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

3 authors at 1 institution in 1 country.

D M BairdDepartment of Genetics, University of Leicester, UK.
A J Jeffreys
N J Royle
University of Leicester · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Sequences immediately adjacent to the human Xp/Yp telomere exhibit a high frequency of base substitutional polymorphisms, together with almost complete linkage disequilibrium, to create only a few diverged haplotypes. This sequence divergence has been used to develop a PCR-based system for mapping the distribution of the telomere (TTAGGG) and variant repeats (TGAGGG and TCAGGG) at the proximal end of the telomere repeat array. The distribution of these repeats is extremely variable. Almost all Xp/Yp telomeres are different, indicating a high mutation rate. Some telomere maps associated with the same flanking haplotype show similarities, identifying subsets of telomeres that share a recent common ancestry. Mechanisms underlying the rapid turnover of repeats at the proximal end of the Xp/Yp telomere include intra-allelic processes, such as slippage during replication. Inter-allelic exchanges may occur occasionally, but telomerase activity probably plays only a minor role in the germline turnover of proximally located telomere and variant repeats.

Indexed as

Polymorphism, Single-Stranded ConformationalAllelesBase SequenceChromosome MappingDNAHaplotypesHumansMinisatellite RepeatsMolecular Sequence DataSequence AnalysisTelomereX ChromosomeY ChromosomeDNA

Identifiers

PMID7489732
PMCPMC394652
OpenAlexW1500304643

What OpenQuestion holds

Textmetadata
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.