Widespread introgression across a phylogeny of 155 Drosophila genomes

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    Embargo yn dod i ben: 16/11/22

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  • Anton Suvorov
    University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
  • Bernard Y. Kim
    Stanford University
  • Jeremy Wang
    University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
  • Ellie E. Armstrong
    Stanford University
  • David Peede
    University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
  • Emmanuel R.R. D'Agostino
    University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
  • Donald K. Price
    University of Nevada
  • Peter Waddell
    Bio-Protection Research Centre, Institute of Fundamental Sciences, Massey University, Palmerston North, New Zealand
  • Michael Lang
    Université de Paris
  • Virginie Courtier-Orgogozo
    Université de Paris
  • Jean R. David
    Université Paris-Saclay
  • Dmitri Petrov
    Stanford University
  • Daniel R. Matute
    University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
  • Daniel R. Schrider
    University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
  • Aaron Comeault
Genome-scale sequence data have invigorated the study of hybridization and introgression, particularly in animals. However, outside of a few notable cases, we lack systematic tests for introgression at a larger phylogenetic scale across entire clades. Here, we leverage 155 genome assemblies from 149 species to generate a fossil-calibrated phylogeny and conduct multilocus tests for introgression across 9 monophyletic radiations within the genus Drosophila. Using complementary phylogenomic approaches, we identify widespread introgression across the evolutionary history of Drosophila. Mapping gene-tree discordance onto the phylogeny revealed that both ancient and recent introgression has occurred across most of the 9 clades that we examined. Our results provide the first evidence of introgression occurring across the evolutionary history of Drosophila and highlight the need to continue to study the evolutionary consequences of hybridization and introgression in this genus and across the tree of life.

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Iaith wreiddiolSaesneg
Tudalennau (o-i)111-123
CyfnodolynCurrent Biology
Cyfrol32
Rhif y cyfnodolyn1
Dyddiad ar-lein cynnar16 Tach 2021
Dynodwyr Gwrthrych Digidol (DOIs)
StatwsCyhoeddwyd - 10 Ion 2022
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