Insights on the drivers of genetic divergence in the European anchovy

Abstract Anchovies represent the largest world’s marine fish catches and the current threats on their populations impose a sustainable exploitment based on sound scientific information. In the European anchovy (Engraulis encrasicolus), the existence of several populations has been proposed but a glo...

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Autores principales:	Gaetano Catanese, Romain Watteaux, Iratxe Montes, Marco Barra, Paola Rumolo, Diego Borme, Bruno Buongiorno Nardelli, Vincenzo Botte, Maria Grazia Mazzocchi, Simona Genovese, Iole Di Capua, Mikel Iriondo, Andone Estonba, Paolo Ruggeri, Valentina Tirelli, Vincenzo Caputo-Barucchi, Gualtiero Basilone, Angelo Bonanno, Daniele Iudicone, Gabriele Procaccini
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ca35cc6780b9463387035787954b20d0
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spelling	oai:doaj.org-article:ca35cc6780b9463387035787954b20d02021-12-02T11:52:25ZInsights on the drivers of genetic divergence in the European anchovy10.1038/s41598-017-03926-z2045-2322https://doaj.org/article/ca35cc6780b9463387035787954b20d02017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-03926-zhttps://doaj.org/toc/2045-2322Abstract Anchovies represent the largest world’s marine fish catches and the current threats on their populations impose a sustainable exploitment based on sound scientific information. In the European anchovy (Engraulis encrasicolus), the existence of several populations has been proposed but a global view is missing. Using a multidisciplinary approach, here we assessed the divergence among different ecotypes and its possible causes. SNPs have revealed two functionally distinct ecotypes overlapping in the Central Mediterranean, with one ecotype confined near the river estuaries. The same SNPs outliers also segregated two distinct populations in the near Atlantic, despite their large spatial distance. In addition, while most studies suggested that adaptation to low salinity is key to divergence, here we show that the offshore ecotype has higher environmental tolerance and an opportunistic feeding behaviour, as assessed by the study of environmental conditions, anchovy diet and trophic levels, and passive egg dispersal. These results provide insights into the anchovy evolutionary history, stressing the importance of behaviour in shaping ecotypes.Gaetano CataneseRomain WatteauxIratxe MontesMarco BarraPaola RumoloDiego BormeBruno Buongiorno NardelliVincenzo BotteMaria Grazia MazzocchiSimona GenoveseIole Di CapuaMikel IriondoAndone EstonbaPaolo RuggeriValentina TirelliVincenzo Caputo-BarucchiGualtiero BasiloneAngelo BonannoDaniele IudiconeGabriele ProcacciniNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-15 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Gaetano Catanese Romain Watteaux Iratxe Montes Marco Barra Paola Rumolo Diego Borme Bruno Buongiorno Nardelli Vincenzo Botte Maria Grazia Mazzocchi Simona Genovese Iole Di Capua Mikel Iriondo Andone Estonba Paolo Ruggeri Valentina Tirelli Vincenzo Caputo-Barucchi Gualtiero Basilone Angelo Bonanno Daniele Iudicone Gabriele Procaccini Insights on the drivers of genetic divergence in the European anchovy
description	Abstract Anchovies represent the largest world’s marine fish catches and the current threats on their populations impose a sustainable exploitment based on sound scientific information. In the European anchovy (Engraulis encrasicolus), the existence of several populations has been proposed but a global view is missing. Using a multidisciplinary approach, here we assessed the divergence among different ecotypes and its possible causes. SNPs have revealed two functionally distinct ecotypes overlapping in the Central Mediterranean, with one ecotype confined near the river estuaries. The same SNPs outliers also segregated two distinct populations in the near Atlantic, despite their large spatial distance. In addition, while most studies suggested that adaptation to low salinity is key to divergence, here we show that the offshore ecotype has higher environmental tolerance and an opportunistic feeding behaviour, as assessed by the study of environmental conditions, anchovy diet and trophic levels, and passive egg dispersal. These results provide insights into the anchovy evolutionary history, stressing the importance of behaviour in shaping ecotypes.
format	article
author	Gaetano Catanese Romain Watteaux Iratxe Montes Marco Barra Paola Rumolo Diego Borme Bruno Buongiorno Nardelli Vincenzo Botte Maria Grazia Mazzocchi Simona Genovese Iole Di Capua Mikel Iriondo Andone Estonba Paolo Ruggeri Valentina Tirelli Vincenzo Caputo-Barucchi Gualtiero Basilone Angelo Bonanno Daniele Iudicone Gabriele Procaccini
author_facet	Gaetano Catanese Romain Watteaux Iratxe Montes Marco Barra Paola Rumolo Diego Borme Bruno Buongiorno Nardelli Vincenzo Botte Maria Grazia Mazzocchi Simona Genovese Iole Di Capua Mikel Iriondo Andone Estonba Paolo Ruggeri Valentina Tirelli Vincenzo Caputo-Barucchi Gualtiero Basilone Angelo Bonanno Daniele Iudicone Gabriele Procaccini
author_sort	Gaetano Catanese
title	Insights on the drivers of genetic divergence in the European anchovy
title_short	Insights on the drivers of genetic divergence in the European anchovy
title_full	Insights on the drivers of genetic divergence in the European anchovy
title_fullStr	Insights on the drivers of genetic divergence in the European anchovy
title_full_unstemmed	Insights on the drivers of genetic divergence in the European anchovy
title_sort	insights on the drivers of genetic divergence in the european anchovy
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/ca35cc6780b9463387035787954b20d0
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Insights on the drivers of genetic divergence in the European anchovy

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