Widespread horizontal genomic exchange does not erode species barriers among sympatric ducks

R.H.S. Kraus, H.H.D. Kerstens, W.F. van Hooft, H.J.W.C. Megens, J. Elmberg, A. Tsvey, D. Sartakov, S.A. Soloviev, R.P.M.A. Crooijmans, M.A.M. Groenen, R.C. Ydenberg, H.H.T. Prins

Research output: Contribution to journalArticleAcademicpeer-review

35 Citations (Scopus)

Abstract

The study of speciation and maintenance of species barriers is at the core of evolutionary biology. During speciation the genome of one population becomes separated from other populations of the same species, which may lead to genomic incompatibility with time. This separation is complete when no fertile offspring is produced from inter-population matings, which is the basis of the biological species concept. Birds, in particular ducks, are recognised as a challenging and illustrative group of higher vertebrates for speciation studies. There are many sympatric and ecologically similar duck species, among which fertile hybrids occur relatively frequently in nature, yet these species remain distinct
Original languageEnglish
Article number45
Number of pages10
JournalBMC Evolutionary Biology
Volume12
DOIs
Publication statusPublished - 2012

Keywords

  • mallards anas-platyrhynchos
  • multilocus genotype data
  • linkage disequilibrium
  • population-structure
  • phylogenetic-relationships
  • hybridization patterns
  • finite population
  • miocene climate
  • waterfowl aves
  • average number

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