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The genomic timeline of cichlid fish diversification across continents.

  • Matschiner M Zoological Institute, University of Basel, Basel, Switzerland. michaelmatschiner@mac.com.
  • Böhne A Zoological Institute, University of Basel, Basel, Switzerland.
  • Ronco F Zoological Institute, University of Basel, Basel, Switzerland.
  • Salzburger W Zoological Institute, University of Basel, Basel, Switzerland. walter.salzburger@unibas.ch.
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  • 2020-11-19
Published in:
  • Nature communications. - 2020
General Biochemistry, Genetics and Molecular Biology
General Physics and Astronomy
General Chemistry
English Cichlid fishes are celebrated for their vast taxonomic, phenotypic, and ecological diversity; however, a central aspect of their evolution - the timeline of their diversification - remains contentious. Here, we generate draft genome assemblies of 14 species representing the global cichlid diversity and integrate these into a new phylogenomic hypothesis of cichlid and teleost evolution that we time-calibrate with 58 re-evaluated fossil constraints and a new Bayesian model accounting for fossil-assignment uncertainty. Our results support cichlid diversification long after the breakup of the supercontinent Gondwana and lay the foundation for precise temporal reconstructions of the exceptional continental cichlid adaptive radiations.
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  • English
Open access status
gold
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Persistent URL
https://folia.unifr.ch/global/documents/165703
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