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  European sea bass genome and its variation provide insights into adaptation to euryhalinity and speciation

Tine, M., Kuhl, H., Gagnaire, P.-A., Louro, B., Desmarais, E., Martins, R. S. T., et al. (2014). European sea bass genome and its variation provide insights into adaptation to euryhalinity and speciation. Nature Communications, 5(5): 5:5770. doi:10.1038/ncomms6770.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-A9E5-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-A9E6-F
Genre: Journal Article

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 Creators:
Tine, Mbaye, Author
Kuhl, Heiner1, Author              
Gagnaire, Pierre-Alexandre, Author
Louro, Bruno, Author
Desmarais, Erick, Author
Martins, Rute S. T., Author
Hecht, Jochen2, Author              
Knaust, Florian, Author
Belkhir, Khalid, Author
Klages, Sven1, Author              
Dieterich, Roland, Author
Stueber, Kurt, Author
Piferrer, Francesc, Author
Guinand, Bruno, Author
Bierne, Nicolas, Author
Volckaert, Filip A. M., Author
Bargelloni, Luca, Author
Power, Deborah M. , Author
Bonhomme, Francois, Author
Canario, Adelino V. M., Author
Reinhardt, Richard3, Author more..
Affiliations:
1Sequencing (Head: Bernd Timmermann), Scientific Service (Head: Christoph Krukenkamp), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_1479670              
2Research Group Development & Disease (Head: Stefan Mundlos), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_1433557              
3Max Planck Genome-Centre Cologne, ou_persistent22              

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Free keywords: Biological sciences Evolution Genetics
 Abstract: The European sea bass (Dicentrarchus labrax) is a temperate-zone euryhaline teleost of prime importance for aquaculture and fisheries. This species is subdivided into two naturally hybridizing lineages, one inhabiting the north-eastern Atlantic Ocean and the other the Mediterranean and Black seas. Here we provide a high-quality chromosome-scale assembly of its genome that shows a high degree of synteny with the more highly derived teleosts. We find expansions of gene families specifically associated with ion and water regulation, highlighting adaptation to variation in salinity. We further generate a genome-wide variation map through RAD-sequencing of Atlantic and Mediterranean populations. We show that variation in local recombination rates strongly influences the genomic landscape of diversity within and differentiation between lineages. Comparing predictions of alternative demographic models to the joint allele-frequency spectrum indicates that genomic islands of differentiation between sea bass lineages were generated by varying rates of introgression across the genome following a period of geographical isolation.

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Language(s): eng - English
 Dates: 2014-11-052014-12-23
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1038/ncomms6770
 Degree: -

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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: 5 (5) Sequence Number: 5:5770 Start / End Page: - Identifier: ISSN: 2041-1723
CoNE: https://pure.mpg.de/cone/journals/resource/2041-1723