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Fitness effects of ...
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Weng, Mao-LunSouth Dakota State Univ, Dept Biol & Microbiol, Brookings, SD 57007 USA.;Westfield State Univ, Dept Biol, Westfield, MA 01086 USA.
(author)
Fitness effects of mutation in natural populations of Arabidopsis thaliana reveal a complex influence of local adaptation
- Article/chapterEnglish2021
Publisher, publication year, extent ...
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2020-12-31
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John Wiley & Sons,2021
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Numbers
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LIBRIS-ID:oai:DiVA.org:uu-450359
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-450359URI
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https://doi.org/10.1111/evo.14152DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Little is empirically known about the contribution of mutations to fitness in natural environments. However, Fisher's Geometric Model (FGM) provides a conceptual foundation to consider the influence of the environment on mutational effects. To quantify mutational properties in the field, we established eight sets of MA lines (7-10 generations) derived from eight founders collected from natural populations of Arabidopsis thaliana from French and Swedish sites, representing the range margins of the species in Europe. We reciprocally planted the MA lines and their founders at French and Swedish sites, allowing us to test predictions of FGM under naturally occurring environmental conditions. The performance of the MA lines relative to each other and to their respective founders confirmed some and contradicted other predictions of the FGM: the contribution of mutation to fitness variance increased when the genotype was in an environment where its fitness was low, that is, in the away environment, but mutations were more likely to be beneficial when the genotype was in its home environment. Consequently, environmental context plays a large role in the contribution of mutations to the evolutionary process and local adaptation does not guarantee that a genotype is at or close to its optimum.
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Added entries (persons, corporate bodies, meetings, titles ...)
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Ågren, JonUppsala universitet,Växtekologi och evolution(Swepub:uu)jonagren
(author)
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Imbert, EricUniv Montpellier, CNRS, Inst Sci Evolut, Montpellier, France.
(author)
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Nottebrock, HenningSouth Dakota State Univ, Dept Biol & Microbiol, Brookings, SD 57007 USA.;Univ Bayreuth, Bayreuth Ctr Ecol & Environm Res BayCEER, Plant Ecol, Univ Str 30, Bayreuth, Germany.
(author)
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Rutter, Matthew T.Coll Charleston, Dept Biol, Charleston, SC 29424 USA.
(author)
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Fenster, Charles B.South Dakota State Univ, Dept Biol & Microbiol, Brookings, SD 57007 USA.;South Dakota State Univ, Oak Lake Field Stn, Brookings, SD 57007 USA.
(author)
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South Dakota State Univ, Dept Biol & Microbiol, Brookings, SD 57007 USA.;Westfield State Univ, Dept Biol, Westfield, MA 01086 USA.Växtekologi och evolution
(creator_code:org_t)
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In:Evolution: John Wiley & Sons75:2, s. 330-3480014-38201558-5646
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