Predictable phenotypic, but not karyotypic, evolution of populations with contrasting initial history

Abstract The relative impact of selection, chance and history will determine the predictability of evolution. There is a lack of empirical research on this subject, particularly in sexual organisms. Here we use experimental evolution to test the predictability of evolution. We analyse the real-time...

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Autores principales:	Pedro Simões, Inês Fragata, Sofia G. Seabra, Gonçalo S. Faria, Marta A. Santos, Michael R. Rose, Mauro Santos, Margarida Matos
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ecc3a99e1b884c8393a9e7a0a7726dad
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spelling	oai:doaj.org-article:ecc3a99e1b884c8393a9e7a0a7726dad2021-12-02T12:30:25ZPredictable phenotypic, but not karyotypic, evolution of populations with contrasting initial history10.1038/s41598-017-00968-12045-2322https://doaj.org/article/ecc3a99e1b884c8393a9e7a0a7726dad2017-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-00968-1https://doaj.org/toc/2045-2322Abstract The relative impact of selection, chance and history will determine the predictability of evolution. There is a lack of empirical research on this subject, particularly in sexual organisms. Here we use experimental evolution to test the predictability of evolution. We analyse the real-time evolution of Drosophila subobscura populations derived from contrasting European latitudes placed in a novel laboratory environment. Each natural population was sampled twice within a three-year interval. We study evolutionary responses at both phenotypic (life-history, morphological and physiological traits) and karyotypic levels for around 30 generations of laboratory culture. Our results show (1) repeatable historical effects between years in the initial state, at both phenotypic and karyotypic levels; (2) predictable phenotypic evolution with general convergence except for body size; and (3) unpredictable karyotypic evolution. We conclude that the predictability of evolution is contingent on the trait and level of organization, highlighting the importance of studying multiple biological levels with respect to evolutionary patterns.Pedro SimõesInês FragataSofia G. SeabraGonçalo S. FariaMarta A. SantosMichael R. RoseMauro SantosMargarida MatosNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-12 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Pedro Simões Inês Fragata Sofia G. Seabra Gonçalo S. Faria Marta A. Santos Michael R. Rose Mauro Santos Margarida Matos Predictable phenotypic, but not karyotypic, evolution of populations with contrasting initial history
description	Abstract The relative impact of selection, chance and history will determine the predictability of evolution. There is a lack of empirical research on this subject, particularly in sexual organisms. Here we use experimental evolution to test the predictability of evolution. We analyse the real-time evolution of Drosophila subobscura populations derived from contrasting European latitudes placed in a novel laboratory environment. Each natural population was sampled twice within a three-year interval. We study evolutionary responses at both phenotypic (life-history, morphological and physiological traits) and karyotypic levels for around 30 generations of laboratory culture. Our results show (1) repeatable historical effects between years in the initial state, at both phenotypic and karyotypic levels; (2) predictable phenotypic evolution with general convergence except for body size; and (3) unpredictable karyotypic evolution. We conclude that the predictability of evolution is contingent on the trait and level of organization, highlighting the importance of studying multiple biological levels with respect to evolutionary patterns.
format	article
author	Pedro Simões Inês Fragata Sofia G. Seabra Gonçalo S. Faria Marta A. Santos Michael R. Rose Mauro Santos Margarida Matos
author_facet	Pedro Simões Inês Fragata Sofia G. Seabra Gonçalo S. Faria Marta A. Santos Michael R. Rose Mauro Santos Margarida Matos
author_sort	Pedro Simões
title	Predictable phenotypic, but not karyotypic, evolution of populations with contrasting initial history
title_short	Predictable phenotypic, but not karyotypic, evolution of populations with contrasting initial history
title_full	Predictable phenotypic, but not karyotypic, evolution of populations with contrasting initial history
title_fullStr	Predictable phenotypic, but not karyotypic, evolution of populations with contrasting initial history
title_full_unstemmed	Predictable phenotypic, but not karyotypic, evolution of populations with contrasting initial history
title_sort	predictable phenotypic, but not karyotypic, evolution of populations with contrasting initial history
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/ecc3a99e1b884c8393a9e7a0a7726dad
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_version_	1718394431431770112

Predictable phenotypic, but not karyotypic, evolution of populations with contrasting initial history

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