Evidence map›Paper›PMID 27196373›Full record

ArticleEvolution; international journal of organic evolution2016

A universal mechanism generating clusters of differentiated loci during divergence-with-migration.

Marina Rafajlović, Anna Emanuelsson, Kerstin Johannesson, Roger K Butlin, Bernhard Mehlig

Abstract read
In one paragraph

Article in Evolution; international journal of organic evolution, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

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0cells of the map it votes in
17citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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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

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3 · Its place in the literature

Who cites it

17 citing papers in PubMed.

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  12. The impact of global selection on local adaptation and reproductive isolation.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020
    Article
  13. Towards the completion of speciation: the evolution of reproductive isolation beyond the first barriers.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 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

5 authors.

Marina RafajlovićDepartment of Physics, University of Gothenburg, SE-412 96, Gothenburg, Sweden. marina.rafajlovic@physics.gu.se.
Anna EmanuelssonDepartment of Physics, University of Gothenburg, SE-412 96, Gothenburg, Sweden.
Kerstin JohannessonThe Linnaeus Centre for Marine Evolutionary Biology, University of Gothenburg, SE-405 30, Gothenburg, Sweden.
Roger K ButlinThe Linnaeus Centre for Marine Evolutionary Biology, University of Gothenburg, SE-405 30, Gothenburg, Sweden.
Bernhard MehligDepartment of Physics, University of Gothenburg, SE-412 96, Gothenburg, Sweden.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Genome-wide patterns of genetic divergence reveal mechanisms of adaptation under gene flow. Empirical data show that divergence is mostly concentrated in narrow genomic regions. This pattern may arise because differentiated loci protect nearby mutations from gene flow, but recent theory suggests this mechanism is insufficient to explain the emergence of concentrated differentiation during biologically realistic timescales. Critically, earlier theory neglects an inevitable consequence of genetic drift: stochastic loss of local genomic divergence. Here, we demonstrate that the rate of stochastic loss of weak local differentiation increases with recombination distance to a strongly diverged locus and, above a critical recombination distance, local loss is faster than local "gain" of new differentiation. Under high migration and weak selection, this critical recombination distance is much smaller than the total recombination distance of the genomic region under selection. Consequently, divergence between populations increases by net gain of new differentiation within the critical recombination distance, resulting in tightly linked clusters of divergence. The mechanism responsible is the balance between stochastic loss and gain of weak local differentiation, a mechanism acting universally throughout the genome. Our results will help to explain empirical observations and lead to novel predictions regarding changes in genomic architectures during adaptive divergence.

Indexed as

Gene FlowGenetic SpeciationModels, GeneticComputer SimulationGenomeStochastic ProcessesConcentrated genetic architecturedivergence hitchhikingdivergent selectiongenomic hitchhikingislands of divergencestochastic loss

Identifiers

PMID27196373
PMCPMC5089645

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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.