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  A field reciprocal transplant experiment reveals asymmetric costs of migration between lake and river ecotypes of three-spined sticklebacks (Gasterosteus aculeatus)

Kaufmann, J., Lenz, T. L., Kalbe, M., Milinski, M., & Eizaguirre, C. (2017). A field reciprocal transplant experiment reveals asymmetric costs of migration between lake and river ecotypes of three-spined sticklebacks (Gasterosteus aculeatus). Journal of Evolutionary Biology, 30(5), 938-950. doi:10.1111/jeb.13057.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-7FA1-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-1C68-8
Genre: Journal Article

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 Creators:
Kaufmann, J.1, Author              
Lenz, T. L.1, Author              
Kalbe, M.1, Author              
Milinski, M.1, Author              
Eizaguirre, C., Author
Affiliations:
1Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445634              

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Free keywords: ecotype; immigrant inviability; local adaptation; parasite; reproductive isolation; stickleback.
 Abstract: Theory of local adaptation predicts that nonadapted migrants will suffer increased costs compared to local residents. Ultimately this process can result in the reduction of gene flow and culminate in speciation. Here, we experimentally investigated the relative fitness of migrants in foreign habitats, focusing on diverging lake and river ecotypes of three-spined sticklebacks. A reciprocal transplant experiment performed in the field revealed asymmetric costs of migration: whereas mortality of river fish was increased under lake conditions, lake migrants suffered from reduced growth relative to river residents. Selection against migrants thus involved different traits in each habitat but generally contributed to bidirectional reduction in gene flow. Focusing particularly on the parasitic environments, migrant fish differed from resident fish in the parasite community they harboured. This pattern correlated with both cellular phenotypes of innate immunity as well as with allelic variation at the genes of the major histocompatibility complex. In addition to showing the costs of migration in three-spined sticklebacks, this study highlights the role of asymmetric selection particularly from parasitism in genotype sorting and in the emergence of local adaptation.

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Language(s): eng - English
 Dates: 2016-12-152016-08-172017-02-062017-05-042017-05
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1111/jeb.13057
 Degree: -

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Title: Journal of Evolutionary Biology
  Other : J. Evol. Biol.
Source Genre: Journal
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Publ. Info: Basel, Switzerland : Birkhäuser
Pages: - Volume / Issue: 30 (5) Sequence Number: - Start / End Page: 938 - 950 Identifier: ISSN: 1010-061X
CoNE: /journals/resource/954925584241