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Surprisingly low limits of selection in plant domestication
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Allaby, Robin G., Kitchen, James and Fuller, Dorian Q. (2016) Surprisingly low limits of selection in plant domestication. Evolutionary Bioinformatics (2). pp. 41-51. doi:10.4137/EBO.S33495
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WRAP_5511-EBO-Surprisingly-Low-Limits-of-Selection-in-Plant-Domestication.pdf_7356.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial. Download (1961Kb) | Preview |
Official URL: http://dx.doi.org/10.4137/EBO.S33495
Abstract
Current debate concerns the pace at which domesticated plants emerged from cultivated wild populations and how many genes were involved. Using an individual-based model, based on the assumptions of Haldane and Maynard Smith, respectively, we estimate that a surprisingly low number of 50–100 loci are the most that could be under selection in a cultivation regime at the selection strengths observed in the archaeological record. This finding is robust to attempts to rescue populations from extinction through selection from high standing genetic variation, gene flow, and the Maynard Smith-based model of threshold selection. Selective sweeps come at a cost, reducing the capacity of plants to adapt to new environments, which may contribute to the explanation of why selective sweeps have not been detected more frequently and why expansion of the agrarian package during the Neolithic was so frequently associated with collapse.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Subjects: | S Agriculture > SB Plant culture | ||||||
| Divisions: | Faculty of Science > Life Sciences (2010- ) | ||||||
| Library of Congress Subject Headings (LCSH): | Plants, Cultivated | ||||||
| Journal or Publication Title: | Evolutionary Bioinformatics | ||||||
| Publisher: | Libertas Academica Ltd. | ||||||
| ISSN: | 1176-9343 | ||||||
| Official Date: | 5 April 2016 | ||||||
| Dates: |
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| Number: | 2 | ||||||
| Number of Pages: | 11 | ||||||
| Page Range: | pp. 41-51 | ||||||
| DOI: | 10.4137/EBO.S33495 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||
| Funder: | Leverhulme Trust (LT), European Research Council (ERC) | ||||||
| Grant number: | F/00 215/BC (LT), 323842 (ERC) |
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