Evidence map›Paper›PMID 30455444›Full record

ArticleNature ecology & evolution2018

Whole-genome sequences of Malawi cichlids reveal multiple radiations interconnected by gene flow.

Milan Malinsky, Hannes Svardal, Alexandra M Tyers, Eric A Miska, Martin J Genner, George F Turner, Richard Durbin

Abstract read
In one paragraph

Article in Nature ecology & evolution, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 269 papers.

0numbers the graph read from it
0cells of the map it votes in
269citing 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

269 citing papers in PubMed.

  1. Near-complete genomes for nine haplochromine cichlid fishes reveal a novel centromeric satellite structure organised around a pair of inverted elements.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2026
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  7. Bony fish genomes: Status and gaps.Journal of fish biology · 2026
    Review
  8. DioeciousAoB PLANTS · 2026
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209 more citing papers are in PubMed but not listed here.

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

7 authors.

Milan MalinskyWellcome Sanger Institute, Cambridge, UK. millanek@gmail.com.ORCID http://orcid.org/0000-0002-1462-6317
Hannes SvardalWellcome Sanger Institute, Cambridge, UK.ORCID http://orcid.org/0000-0001-7866-7313
Alexandra M TyersSchool of Natural Sciences, Bangor University, Bangor, UK.
Eric A MiskaWellcome Sanger Institute, Cambridge, UK.ORCID http://orcid.org/0000-0002-4450-576X
Martin J GennerSchool of Biological Sciences, University of Bristol, Bristol, UK.
George F TurnerSchool of Natural Sciences, Bangor University, Bangor, UK.
Richard DurbinWellcome Sanger Institute, Cambridge, UK. rd109@cam.ac.uk.ORCID http://orcid.org/0000-0002-9130-1006

Funding

Wellcome Trust 207492/Z/17/Z
6 · The paper itself

Abstract

The hundreds of cichlid fish species in Lake Malawi constitute the most extensive recent vertebrate adaptive radiation. Here we characterize its genomic diversity by sequencing 134 individuals covering 73 species across all major lineages. The average sequence divergence between species pairs is only 0.1-0.25%. These divergence values overlap diversity within species, with 82% of heterozygosity shared between species. Phylogenetic analyses suggest that diversification initially proceeded by serial branching from a generalist Astatotilapia-like ancestor. However, no single species tree adequately represents all species relationships, with evidence for substantial gene flow at multiple times. Common signatures of selection on visual and oxygen transport genes shared by distantly related deep-water species point to both adaptive introgression and independent selection. These findings enhance our understanding of genomic processes underlying rapid species diversification, and provide a platform for future genetic analysis of the Malawi radiation.

Indexed as

Biological EvolutionGene FlowGenomeAnimalsCichlidsGenetic VariationLakesMalawiPhylogenyTanzaniaWhole Genome Sequencing

Identifiers

PMID30455444
PMCPMC6443041

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.