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dc.contributor.authorCostantini, Federica-
dc.contributor.authorGori, Andrea-
dc.contributor.authorLópez-González, Pablo J.-
dc.contributor.authorBramanti, Lorenzo-
dc.contributor.authorRossi, Sergio-
dc.contributor.authorGili, Josep Maria-
dc.contributor.authorAbbiati, M.-
dc.date.accessioned2016-10-25T12:08:31Z-
dc.date.available2016-10-25T12:08:31Z-
dc.date.issued2016-08-
dc.identifierdoi: 10.1371/journal.pone.0160678-
dc.identifierissn: 1932-6203-
dc.identifiere-issn: 1932-6203-
dc.identifier.citationPLoS ONE 11(8): e0160678 (2016)-
dc.identifier.urihttp://hdl.handle.net/10261/139335-
dc.description20 pages, 6 figures, 5 tables, supporting information https://dx.doi.org/10.1371/journal.pone.0160678.-- We have obtained the GenBank Accession numbers for all the sequences used in the work (GenBank from KX051564 to KX051577 and from KX002245 to KX002255)-
dc.description.abstractGorgonian species show a high morphological variability in relation to the environment in which they live. In coastal areas, parameters such as temperature, light, currents, and food availability vary significantly with depth, potentially affecting morphology of the colonies and the structure of the populations, as well as their connectivity patterns. In tropical seas, the existence of connectivity between shallow and deep populations supported the hypothesis that the deep coral reefs could potentially act as (reproductive) refugia fostering re-colonization of shallow areas after mortality events. Moreover, this hypothesis is not so clear accepted in temperate seas. Eunicella singularis is one of the most common gorgonian species in Northwestern Mediterranean Sea, playing an important role as ecosystem engineer by providing biomass and complexity to the coralligenous habitats. It has a wide bathymetric distribution ranging from about 10m to 100 m. Two depth-related morphotypes have been identified, differing in colony morphology, sclerite size and shape, and occurrence of symbiotic algae, but not inmitochondrial DNA haplotypes. In the present study the genetic structure of E. singularis populations along a horizontal and bathymetric gradient was assessed using microsatellites and ITS1 sequences. Restricted gene flow was found at 30-40 m depth between the two Eunicella morphotypes. Conversely, no genetic structuring has been found among shallow water populations within a spatial scale of ten kilometers. The break in gene flow between shallow and deep populations contributes to explain the morphological variability observed at different depths.Moreover, the limited vertical connectivity hinted that the refugia hypothesis does not apply to E. singularis. Re-colonization of shallow water populations, occasionally affected by mass mortality events, should then be mainly fueled by larvae from other shallow water populations-
dc.description.sponsorshipAG was funded by a I3P contract of the Consejo Superior de Investigaciones Cientificas (Ref. I3P-BPD2005). SR wants to thank the support of the Generalitat de Catalunya to MERS (2014 SGR-1356) and the Marie Curie International Outgoing Fellowship (ANIMAL FOREST HEALTH, project number 327845). The study was funded by a 2003-2004 INTERREG project between Catalonia-Languedoc Rouissillon ''Pirineus Mediterrànis: La muntanya que uneix'' of the CSIC and CNRS, of the 2009-2013 European project LIFE+ INDEMARES ''Inventario y designación de la red natura 2000 en áreas marinas del estado español'' (LIFE07/NAT/E/000732) of the European Union, and by a PRIN 2010-2011 project (prot. 2010Z8HJ5M) on 'Coastal bioconstructions: structure, function and management' Italian Ministry of Education, Univeristy and Research-
dc.publisherPublic Library of Science-
dc.relationinfo:eu-repo/grantAgreement/EC/FP7/327845-
dc.relation.isversionofPublisher's version-
dc.rightsopenAccess-
dc.titleLimited Genetic Connectivity between Gorgonian Morphotypes along a Depth Gradient-
dc.typeartículo-
dc.identifier.doi10.1371/journal.pone.0160678-
dc.relation.publisherversionhttps://dx.doi.org/10.1371/journal.pone.0160678-
dc.date.updated2016-10-25T12:08:31Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.rights.licensehttps://creativecommons.org/licenses/by/4.0/-
dc.contributor.funderEuropean Commission-
dc.contributor.funderMinistero dell'Istruzione, dell'Università e della Ricerca-
dc.contributor.funderMarie Curie International Incoming Fellowship-
dc.contributor.funderConsejo Superior de Investigaciones Científicas (España)-
dc.contributor.funderGeneralitat de Catalunya-
dc.contributor.funderCentre National de la Recherche Scientifique (France)-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000780es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003407es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003339es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100002809es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004794es_ES
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