publication . Article . 2014

Genetics of ecological divergence during speciation

Arnegard, Matthew E.; McGee, Matthew D.; Matthews, Blake; Marchinko, Kerry B.; Conte, Gina L.; Kabir, Sahriar; Bedford, Nicole; Bergek, Sara; Chan, Yingguang Frank; Jones, Felicity C.; ...
Open Access
  • Published: 08 Jun 2014
  • Publisher: Springer Science and Business Media LLC
Abstract
Ecological differences often evolve early in speciation as divergent natural selection drives adaptation to distinct ecological niches, leading ultimately to reproductive isolation. Although this process is a major generator of biodiversity, its genetic basis is still poorly understood. Here we investigate the genetic architecture of niche differentiation in a sympatric species pair of threespine stickleback fish by mapping the environment-dependent effects of phenotypic traits on hybrid feeding and performance under semi-natural conditions. We show that multiple, unlinked loci act largely additively to determine position along the major niche axis separating th...
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Subjects
free text keywords: Multidisciplinary, Article, Ecological genetics, Evolutionary biology, Sympatric speciation, Genetic Speciation, Ecological niche, Genetic architecture, Genetic divergence, Natural selection, Ecology, Genetics, Biology, Niche segregation
Funded by
NIH| The Genetics of Behavioral Reproductive Isolation in Threespine Sticklebacks
Project
  • Funder: National Institutes of Health (NIH)
  • Project Code: 1F32GM086125-01
  • Funding stream: NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES
,
NIH| Genomic Basis of Vertebrate Diversity
Project
  • Funder: National Institutes of Health (NIH)
  • Project Code: 5P50HG002568-10
  • Funding stream: NATIONAL HUMAN GENOME RESEARCH INSTITUTE
,
NIH| The Genetics of Parallel Reproductive Isolation in Stickleback Species Pairs
Project
  • Funder: National Institutes of Health (NIH)
  • Project Code: 5R01GM089733-02
  • Funding stream: NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES
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