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Interacting phenoty...
Interacting phenotypes and the coevolutionary process : Interspecific indirect genetic effects alter coevolutionary dynamics
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- De Lisle, Stephen P. (author)
- Univ Connecticut, Dept Ecol & Evolutionary Biol, Storrs, CT 06269 USA.;Lund Univ, Dept Biol, Evolutionary Ecol Unit, SE-22362 Lund, Sweden
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- Bolnick, Daniel I. (author)
- Univ Connecticut, Dept Ecol & Evolutionary Biol, Storrs, CT 06269 USA
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- Brodie, Edmund D., III (author)
- Univ Virginia, Dept Biol, Charlottesville, VA 22904 USA.;Univ Virginia, Mt Lake Biol Stn, Charlottesville, VA 22904 USA
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- Moore, Allen J. (author)
- Univ Georgia, Dept Entomol, Athens, GA 30602 USA
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- McGlothlin, Joel W. (author)
- Virginia Tech, Dept Biol Sci, Blacksburg, VA 24060 USA
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Univ Connecticut, Dept Ecol & Evolutionary Biol, Storrs, CT 06269 USA;Lund Univ, Dept Biol, Evolutionary Ecol Unit, SE-22362 Lund, Sweden Univ Connecticut, Dept Ecol & Evolutionary Biol, Storrs, CT 06269 USA (creator_code:org_t)
- 2022-02-10
- 2022
- English.
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In: Evolution. - : John Wiley & Sons. - 0014-3820 .- 1558-5646. ; 76:3, s. 429-444
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Abstract
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- Coevolution occurs when species interact to influence one another's fitness, resulting in reciprocal evolutionary change. In many coevolving lineages, trait expression in one species is modified by the genotypes and phenotypes of the other, forming feedback loops reminiscent of models of intraspecific social evolution. Here, we adapt the theory of within-species social evolution, characterized by indirect genetic effects and social selection imposed by interacting individuals, to the case of interspecific interactions. In a trait-based model, we derive general expressions for multivariate evolutionary change in two species and the expected between-species covariance in evolutionary change when selection varies across space. We show that reciprocal interspecific indirect genetic effects can dominate the coevolutionary process and drive patterns of correlated evolution beyond what is expected from direct selection alone. In extreme cases, interspecific indirect genetic effects can lead to coevolution when selection does not covary between species or even when one species lacks genetic variance. Moreover, our model indicates that interspecific indirect genetic effects may interact in complex ways with cross-species selection to determine the course of coevolution. Importantly, our model makes empirically testable predictions for how different forms of reciprocal interactions contribute to the coevolutionary process.
Subject headings
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
Keyword
- Coevolution
- cross-species selection
- interspecific indirect genetic effects
- quantitative genetics
- species interactions
- Biology
- Biologi
Publication and Content Type
- ref (subject category)
- art (subject category)
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