Evidence map›Paper›PMID 19148284›Full record

ArticlePLoS genetics2009

Sequences from first settlers reveal rapid evolution in Icelandic mtDNA pool.

Agnar Helgason, Carles Lalueza-Fox, Shyamali Ghosh, Sigrún Sigurethardóttir, Maria Lourdes Sampietro, Elena Gigli, Adam Baker, Jaume Bertranpetit, Lilja Arnadóttir, Unnur Thornorsteinsdottir and 1 more

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In one paragraph

Article in PLoS genetics, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
3.8field-weighted citation impact, top 6% 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

16 citing papers in PubMed, 84 citations in OpenAlex.

  1. Article
  2. Article
  3. Ancient individuals from the North American Northwest Coast reveal 10,000 years of regional genetic continuity.Proceedings of the National Academy of Sciences of the United States of America · 2017
    Article
  4. Article
  5. Mitochondrial DNA variation in the Viking age population of Norway.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2015
    Article
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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

11 authors at 4 institutions in 3 countries.

Agnar HelgasondeCODE Genetics, Reykjavik, Iceland. agnar@decode.is
Carles Lalueza-Fox
Shyamali Ghosh
Sigrún Sigurethardóttir
Maria Lourdes Sampietro
Elena Gigli
Adam Baker
Jaume Bertranpetit
Lilja Arnadóttir
Unnur Thornorsteinsdottir
Kári Stefánsson
deCODE Genetics (Iceland) · ISInstitut de Biologia Evolutiva · ESUniversity of Iceland · ISLeiden University · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A major task in human genetics is to understand the nature of the evolutionary processes that have shaped the gene pools of contemporary populations. Ancient DNA studies have great potential to shed light on the evolution of populations because they provide the opportunity to sample from the same population at different points in time. Here, we show that a sample of mitochondrial DNA (mtDNA) control region sequences from 68 early medieval Icelandic skeletal remains is more closely related to sequences from contemporary inhabitants of Scotland, Ireland, and Scandinavia than to those from the modern Icelandic population. Due to a faster rate of genetic drift in the Icelandic mtDNA pool during the last 1,100 years, the sequences carried by the first settlers were better preserved in their ancestral gene pools than among their descendants in Iceland. These results demonstrate the inferential power gained in ancient DNA studies through the application of population genetics analyses to relatively large samples.

Indexed as

Evolution, MolecularGene PoolGenetics, PopulationDNA, MitochondrialGeographyHumansIcelandSequence Analysis, DNADNA, Mitochondrial

Identifiers

PMID19148284
PMCPMC2613751
OpenAlexW2095528840

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Registered trials

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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.