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Adaptation and correlated fitness responses over two time scales in Drosophila suzukii populations evolving in different environments

The process of local adaptation involves differential changes in fitness over time across different environments. Although experimental evolution studies have extensively tested for patterns of local adaptation at a single time point, there is relatively little research that examines fitness more th...

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Autores principales: Olazcuaga, Laure, Foucaud, Julien, Gautier, Mathieu, Deschamps, Candice, Loiseau, Anne, Leménager, Nicolas, Facon, Benoit, Ravigné, Virginie, Hufbauer, Ruth A., Estoup, Arnaud, Rode, Nicolas O.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8457093/
https://www.ncbi.nlm.nih.gov/pubmed/34097795
http://dx.doi.org/10.1111/jeb.13878
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author Olazcuaga, Laure
Foucaud, Julien
Gautier, Mathieu
Deschamps, Candice
Loiseau, Anne
Leménager, Nicolas
Facon, Benoit
Ravigné, Virginie
Hufbauer, Ruth A.
Estoup, Arnaud
Rode, Nicolas O.
author_facet Olazcuaga, Laure
Foucaud, Julien
Gautier, Mathieu
Deschamps, Candice
Loiseau, Anne
Leménager, Nicolas
Facon, Benoit
Ravigné, Virginie
Hufbauer, Ruth A.
Estoup, Arnaud
Rode, Nicolas O.
author_sort Olazcuaga, Laure
collection PubMed
description The process of local adaptation involves differential changes in fitness over time across different environments. Although experimental evolution studies have extensively tested for patterns of local adaptation at a single time point, there is relatively little research that examines fitness more than once during the time course of adaptation. We allowed replicate populations of the fruit pest Drosophila suzukii to evolve in one of eight different fruit media. After five generations, populations with the highest initial levels of maladaptation had mostly gone extinct, whereas experimental populations evolving on cherry, strawberry and cranberry media had survived. We measured the fitness of each surviving population in each of the three fruit media after five and after 26 generations of evolution. After five generations, adaptation to each medium was associated with increased fitness in the two other media. This was also true after 26 generations, except when populations that evolved on cranberry medium developed on cherry medium. These results suggest that, in the theoretical framework of a fitness landscape, the fitness optima of cherry and cranberry media are the furthest apart. Our results show that studying how fitness changes across several environments and across multiple generations provides insights into the dynamics of local adaptation that would not be evident if fitness were analysed at a single point in time. By allowing a qualitative mapping of an experimental fitness landscape, our approach will improve our understanding of the ecological factors that drive the evolution of local adaptation in D. suzukii.
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spelling pubmed-84570932021-09-27 Adaptation and correlated fitness responses over two time scales in Drosophila suzukii populations evolving in different environments Olazcuaga, Laure Foucaud, Julien Gautier, Mathieu Deschamps, Candice Loiseau, Anne Leménager, Nicolas Facon, Benoit Ravigné, Virginie Hufbauer, Ruth A. Estoup, Arnaud Rode, Nicolas O. J Evol Biol Research Papers The process of local adaptation involves differential changes in fitness over time across different environments. Although experimental evolution studies have extensively tested for patterns of local adaptation at a single time point, there is relatively little research that examines fitness more than once during the time course of adaptation. We allowed replicate populations of the fruit pest Drosophila suzukii to evolve in one of eight different fruit media. After five generations, populations with the highest initial levels of maladaptation had mostly gone extinct, whereas experimental populations evolving on cherry, strawberry and cranberry media had survived. We measured the fitness of each surviving population in each of the three fruit media after five and after 26 generations of evolution. After five generations, adaptation to each medium was associated with increased fitness in the two other media. This was also true after 26 generations, except when populations that evolved on cranberry medium developed on cherry medium. These results suggest that, in the theoretical framework of a fitness landscape, the fitness optima of cherry and cranberry media are the furthest apart. Our results show that studying how fitness changes across several environments and across multiple generations provides insights into the dynamics of local adaptation that would not be evident if fitness were analysed at a single point in time. By allowing a qualitative mapping of an experimental fitness landscape, our approach will improve our understanding of the ecological factors that drive the evolution of local adaptation in D. suzukii. John Wiley and Sons Inc. 2021-07-02 2021-08 /pmc/articles/PMC8457093/ /pubmed/34097795 http://dx.doi.org/10.1111/jeb.13878 Text en © 2021 The Authors. Journal of Evolutionary Biology published by John Wiley & Sons Ltd on behalf of European Society for Evolutionary Biology. https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ (https://creativecommons.org/licenses/by-nc-nd/4.0/) License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.
spellingShingle Research Papers
Olazcuaga, Laure
Foucaud, Julien
Gautier, Mathieu
Deschamps, Candice
Loiseau, Anne
Leménager, Nicolas
Facon, Benoit
Ravigné, Virginie
Hufbauer, Ruth A.
Estoup, Arnaud
Rode, Nicolas O.
Adaptation and correlated fitness responses over two time scales in Drosophila suzukii populations evolving in different environments
title Adaptation and correlated fitness responses over two time scales in Drosophila suzukii populations evolving in different environments
title_full Adaptation and correlated fitness responses over two time scales in Drosophila suzukii populations evolving in different environments
title_fullStr Adaptation and correlated fitness responses over two time scales in Drosophila suzukii populations evolving in different environments
title_full_unstemmed Adaptation and correlated fitness responses over two time scales in Drosophila suzukii populations evolving in different environments
title_short Adaptation and correlated fitness responses over two time scales in Drosophila suzukii populations evolving in different environments
title_sort adaptation and correlated fitness responses over two time scales in drosophila suzukii populations evolving in different environments
topic Research Papers
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8457093/
https://www.ncbi.nlm.nih.gov/pubmed/34097795
http://dx.doi.org/10.1111/jeb.13878
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