Published October 3, 2015 | Version v1
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Data from: Extensive introgression in a malaria vector species complex revealed by phylogenomics

  • 1. University of Notre Dame
  • 2. Indiana University Bloomington
  • 3. Massachusetts Institute of Technology
  • 4. Virginia Tech
  • 5. Department of Immunology and Infectious Diseases, Harvard School of Public Health, Boston, MA 02115, USA.*
  • 6. Imperial College London
  • 7. Texas A&M University


Introgressive hybridization is now recognized as a widespread phenomenon, but its role in evolution remains contested. Here we use newly available reference genome assemblies to investigate phylogenetic relationships and introgression in a medically important group of Afrotropical mosquito sibling species. We have identified the correct species branching order to resolve a contentious phylogeny, and show that lineages leading to the principal vectors of human malaria were among the first to split. Pervasive autosomal introgression between these malaria vectors means that only a small fraction of the genome, mainly on the X chromosome, has not crossed species boundaries. Our results suggest that traits enhancing vectorial capacity may be gained through interspecific gene flow, including between non-sister species.



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Is cited by
10.1126/science.1258524 (DOI)