Surprisingly Low Limits of Selection in Plant Domestication
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...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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SAGE Publishing
2015-01-01
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| Series: | Evolutionary Bioinformatics |
| Online Access: | https://doi.org/10.4137/EBO.S33495 |
| _version_ | 1818131608394268672 |
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| author | Robin G. Allaby James L. Kitchen Dorian Q. Fuller |
| author_facet | Robin G. Allaby James L. Kitchen Dorian Q. Fuller |
| author_sort | Robin G. Allaby |
| collection | DOAJ |
| description | 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. |
| first_indexed | 2024-12-11T08:23:38Z |
| format | Article |
| id | doaj.art-e44db588e9f84874af851aff357fbcb2 |
| institution | Directory Open Access Journal |
| issn | 1176-9343 |
| language | English |
| last_indexed | 2024-12-11T08:23:38Z |
| publishDate | 2015-01-01 |
| publisher | SAGE Publishing |
| record_format | Article |
| series | Evolutionary Bioinformatics |
| spelling | doaj.art-e44db588e9f84874af851aff357fbcb22022-12-22T01:14:36ZengSAGE PublishingEvolutionary Bioinformatics1176-93432015-01-0111s210.4137/EBO.S33495Surprisingly Low Limits of Selection in Plant DomesticationRobin G. Allaby0James L. Kitchen1Dorian Q. Fuller2School of Life Sciences, Gibbet Hill Campus, University of Warwick, Coventry, UK.School of Life Sciences, Gibbet Hill Campus, University of Warwick, Coventry, UK.Institute of Archaeology, University College London, London, UK.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.https://doi.org/10.4137/EBO.S33495 |
| spellingShingle | Robin G. Allaby James L. Kitchen Dorian Q. Fuller Surprisingly Low Limits of Selection in Plant Domestication Evolutionary Bioinformatics |
| title | Surprisingly Low Limits of Selection in Plant Domestication |
| title_full | Surprisingly Low Limits of Selection in Plant Domestication |
| title_fullStr | Surprisingly Low Limits of Selection in Plant Domestication |
| title_full_unstemmed | Surprisingly Low Limits of Selection in Plant Domestication |
| title_short | Surprisingly Low Limits of Selection in Plant Domestication |
| title_sort | surprisingly low limits of selection in plant domestication |
| url | https://doi.org/10.4137/EBO.S33495 |
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