Evidence map›Paper›PMID 18629539›Full record

ArticleHuman genetics2008

Evolutionary dynamics of the human ABO gene.

Francesc Calafell, Francis Roubinet, Anna Ramírez-Soriano, Naruya Saitou, Jaume Bertranpetit, Antoine Blancher

Abstract readComparative Study
PubMed Publisher
In one paragraph

Article in Human genetics, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers.

0numbers the graph read from it
0cells of the map it votes in
50citing papers in PubMed
–field-weighted citation impact
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

50 citing papers in PubMed.

  1. Trial
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  9. ABO Blood Groups Do Not PredictMicroorganisms · 2021
    Article
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  13. 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

6 authors.

Francesc CalafellUnitat de Biologia Evolutiva, Departament de Ciències Experimentals i de la Salut, Universitat Pompeu Fabra, Doctor Aiguader, 80, 08003, Barcelona, Catalonia, Spain. francesc.calafell@upf.edu
Francis Roubinet
Anna Ramírez-Soriano
Naruya Saitou
Jaume Bertranpetit
Antoine Blancher

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The ABO polymorphism has long been suspected to be under balancing selection. To explore this possibility, we analyzed two datasets: (1) a set of 94 23-Kb sequences in European- and African-Americans produced by the Seattle SNPs project, and (2) a set of 814 2-Kb sequences in O alleles from seven worldwide populations. A phylogenetic analysis of the Seattle sequences showed a complex pattern in which the action of recombination and gene conversion are evident, and in which four main lineages could be individuated. The sequence patterns could be linked to the expected blood group phenotype; in particular, the main mutation giving rise to the null O allele is likely to have appeared at least three times in human evolution, giving rise to allele lineages O02, O01, and O09. However, the genealogy changes along the gene and variations of both numbers of branches and of their time depth were observed, which could result from a combined action of recombination and selection. Several neutrality tests clearly demonstrated deviations compatible with balancing selection, peaking at several locations along the gene. The time depth of the genealogy was also incompatible with neutral evolution, particularly in the region from exons 6 to 7, which codes for most of the catalytic domain.

Indexed as

Evolution, MolecularABO Blood-Group SystemBase SequenceBlack or African AmericanDNA Mutational AnalysisGenetics, PopulationHumansMolecular Sequence DataPhylogenyPolymorphism, Single NucleotideSequence Homology, Nucleic AcidWhite PeopleABO Blood-Group System

Identifiers

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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.