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A way forward with eco evo devo: an extended theory of resource polymorphism with postglacial fishes as model systems
Holar Univ, Dept Aquaculture & Fish Biol, IS-551 Sauoarkrokur, Iceland;Iceland Museum Nat Hist, Brynjolfsgata 5, IS-107 Reykjavik, Iceland.ORCID iD: 0000-0002-8191-3981
Univ Glasgow, Inst Biodivers Anim Hlth & Comparat Med, Glasgow G12 8QQ, Lanark, Scotland.
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Animal ecology. Uppsala University, Science for Life Laboratory, SciLifeLab.ORCID iD: 0000-0003-3221-4559
EAWAG, Swiss Fed Inst Aquat Sci & Technol, Dept Aquat Ecol, Ueberlandstr 133, CH-8600 Dubendorf, Switzerland;Swiss Fed Inst Technol, Inst Integrat Biol, Ueberlandstr 133, CH-8600 Dubendorf, Switzerland.
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2019 (English)In: Biological Reviews, ISSN 1464-7931, E-ISSN 1469-185X, Vol. 94, no 5, p. 1786-1808Article in journal (Refereed) Published
Abstract [en]

A major goal of evolutionary science is to understand how biological diversity is generated and altered. Despite considerable advances, we still have limited insight into how phenotypic variation arises and is sorted by natural selection. Here we argue that an integrated view, which merges ecology, evolution and developmental biology (eco evo devo) on an equal footing, is needed to understand the multifaceted role of the environment in simultaneously determining the development of the phenotype and the nature of the selective environment, and how organisms in turn affect the environment through eco evo and eco devo feedbacks. To illustrate the usefulness of an integrated eco evo devo perspective, we connect it with the theory of resource polymorphism (i.e. the phenotypic and genetic diversification that occurs in response to variation in available resources). In so doing, we highlight fishes from recently glaciated freshwater systems as exceptionally well-suited model systems for testing predictions of an eco evo devo framework in studies of diversification. Studies on these fishes show that intraspecific diversity can evolve rapidly, and that this process is jointly facilitated by (i) the availability of diverse environments promoting divergent natural selection; (ii) dynamic developmental processes sensitive to environmental and genetic signals; and (iii) eco evo and eco devo feedbacks influencing the selective and developmental environments of the phenotype. We highlight empirical examples and present a conceptual model for the generation of resource polymorphism - emphasizing eco evo devo, and identify current gaps in knowledge.

Place, publisher, year, edition, pages
2019. Vol. 94, no 5, p. 1786-1808
Keywords [en]
divergent evolution, epigenetics, genetics, niche construction, non-genetic inheritance, phenotype, phenotypic plasticity, natural selection, polymorphic fishes, speciation
National Category
Evolutionary Biology
Identifiers
URN: urn:nbn:se:uu:diva-394947DOI: 10.1111/brv.12534ISI: 000485285900013PubMedID: 31215138OAI: oai:DiVA.org:uu-394947DiVA, id: diva2:1362796
Available from: 2019-10-21 Created: 2019-10-21 Last updated: 2019-10-21Bibliographically approved

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