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  Population size changes and selection drive patterns of parallel evolution in a host-virus system

Frickel, J., Feulner, P. G., Karakoc, E., & Becks, L. (2018). Population size changes and selection drive patterns of parallel evolution in a host-virus system. Nature Communications, 9: 1706. doi:10.1038/s41467-018-03990-7.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-9060-F Version Permalink: http://hdl.handle.net/21.11116/0000-0001-9062-D
Genre: Journal Article

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Frickel, Jens1, Author              
Feulner, Philine G.D., Author
Karakoc, Emre, Author
Becks, Lutz1, Author              
Affiliations:
1Research Group Community Dynamics, Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445642              

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Free keywords: coevolution; divergence; evolutionary theory; genome; genomics; genotype; host-parasite interaction; parallel evolution; phenotype; population size; timescale; virus, article; driver; ecology; genome; human; nonhuman; population size; virus, algae
 Abstract: Predicting the repeatability of evolution remains elusive. Theory and empirical studies suggest that strong selection and large population sizes increase the probability for parallel evolution at the phenotypic and genotypic levels. However, selection and population sizes are not constant, but rather change continuously and directly affect each other even on short time scales. Here, we examine the degree of parallel evolution shaped through eco-evolutionary dynamics in an algal host population coevolving with a virus. We find high degrees of parallelism at the level of population size changes (ecology) and at the phenotypic level between replicated populations. At the genomic level, we find evidence for parallelism, as the same large genomic region was duplicated in all replicated populations, but also substantial novel sequence divergence between replicates. These patterns of genome evolution can be explained by considering population size changes as an important driver of rapid evolution. © 2018 The Author(s).

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Language(s): eng - English
 Dates: 2017-08-222018-03-262018-04-272018
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: DOI: 10.1038/s41467-018-03990-7
BibTex Citekey: Frickel2018
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Title: Nature Communications
  Abbreviation : Nat. Commun.
Source Genre: Journal
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Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: 9 Sequence Number: 1706 Start / End Page: - Identifier: ISSN: 2041-1723
CoNE: https://pure.mpg.de/cone/journals/resource/2041-1723