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  Dynamical trade-offs arise from antagonistic coevolution and decrease intraspecific diversity

Huang, W., Traulsen, A., Werner, B., Hiltunen, T., & Becks, L. (2017). Dynamical trade-offs arise from antagonistic coevolution and decrease intraspecific diversity. Nature Communications, 8: 2059 (2017). doi:10.1038/s41467-017-01957-8.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-2F50-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-2F51-1
Genre: Journal Article

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s41467-017-01957-8.pdf (Publisher version), 2MB
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 Creators:
Huang, Weini1, Author              
Traulsen, Arne1, Author              
Werner, Benjamin1, Author              
Hiltunen, Teppo, Author
Becks, Lutz2, Author              
Affiliations:
1Department Evolutionary Theory, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445641              
2Emmy-Noether-Group Community Dynamics, Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_2068285              

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Free keywords: coevolution; evolutionary theory
 Abstract: Trade-offs play an important role in evolution. Without trade-offs, evolution would maximize fitness of all traits leading to a “master of all traits”. The shape of trade-offs has been shown to determine evolutionary trajectories and is often assumed to be static and independent of the actual evolutionary process. Here we propose that coevolution leads to a dynamical trade-off. We test this hypothesis in a microbial predator–prey system and show that the bacterial growth-defense trade-off changes from concave to convex, i.e., defense is effective and cheap initially, but gets costly when predators coevolve. We further explore the impact of such dynamical trade-offs by a novel mathematical model incorporating de novo mutations for both species. Predator and prey populations diversify rapidly leading to higher prey diversity when the trade-off is concave (cheap). Coevolution results in more convex (costly) trade-offs and lower prey diversity compared to the scenario where only the prey evolves.

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Language(s): eng - English
 Dates: 2017-05-162017-10-272017-12-12
 Publication Status: Published online
 Pages: -
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 Rev. Method: -
 Identifiers: DOI: 10.1038/s41467-017-01957-8
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Title: Nature Communications
  Abbreviation : Nat. Commun.
Source Genre: Journal
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Publ. Info: London : Nature Publishing Group
Pages: 8 Volume / Issue: 8 Sequence Number: 2059 (2017) Start / End Page: - Identifier: ISSN: 2041-1723
CoNE: /journals/resource/2041-1723