Data from: Extensive introgression in a malaria vector species complex revealed by phylogenomics
Creators
- Fontaine, Michael C.1
- Pease, James B.2
- Steele, Aaron1
- Waterhouse, Robert M.3
- Neafsey, Daniel E.3
- Sharakhov, Igor V.4
- Jiang, Xiofang4
- Hall, Andrew B.4
- Catteruccia, Flaminia5
- Kakani, Evdoxia5
- Mitchell, Sarah N.5
- Wu, Yi-Chieh3
- Smith, Hilary A.1
- Love, R. Rebecca1
- Lawniczak, Mara K.6
- Slotman, Michel A.7
- Emrich, Scott J.1
- Hahn, Matthew W.2
- Besansky, Nora J.1
- 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
Description
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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Related works
- Is cited by
- 10.1126/science.1258524 (DOI)