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Glacial vicariance drives phylogeographic diversification in the amphi-boreal kelp Saccharina latissima

2018Journal article Open Access
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dc.contributor.authorMACHADO, JOÃO NEIVA
dc.contributor.authorPaulino, Cristina
dc.contributor.authorNielsen, Mette M.
dc.contributor.authorKrause-Jensen, Dorte
dc.contributor.authorSaunders, Gary W.
dc.contributor.authorAssis, Jorge
dc.contributor.authorBarbara, Ignacio
dc.contributor.authorTamigneaux, Eric
dc.contributor.authorGouveia, Licínia
dc.contributor.authorAires, Tânia
dc.contributor.authorMarba, Nuria
dc.contributor.authorBruhn, Annette
dc.contributor.authorPearson, Gareth
dc.contributor.authorSerrao, Ester A.
dc.date.accessioned2018-12-07T14:53:26Z
dc.date.available2018-12-07T14:53:26Z
dc.date.issued2018
dc.description.abstractGlacial vicariance is regarded as one of the most prevalent drivers of phylogeographic structure and speciation among high-latitude organisms, but direct links between ice advances and range fragmentation have been more difficult to establish in marine than in terrestrial systems. Here we investigate the evolution of largely disjunct (and potentially reproductively isolated) phylogeographic lineages within the amphi-boreal kelp Saccharina latissima s.l. Using molecular data (COI, microsatellites) we confirm that S. latissima comprises also the NE Pacific S. cichorioides complex and is composed of divergent lineages with limited range overlap and genetic admixture. Only a few genetic hybrids were detected throughout a Canadian Arctic/NW Greenland contact zone. The degree of genetic differentiation and sympatric isolation of phylogroups suggest that S. latissima s.l. represents a complex of incipient species. Phylogroup distributions compared with paleo-environmental reconstructions of the cryosphere further suggest that diversification within S. latissima results from chronic glacial isolation in disjunct persistence areas intercalated with ephemeral interglacial poleward expansions and admixture at high-latitude (Arctic) contact zones. This study thus supports a role for glaciations not just in redistributing pre-existing marine lineages but also as a speciation pump across multi-glacial cycles for marine organisms otherwise exhibiting cosmopolite amphi-boreal distributions.
dc.description.sponsorshipPew Foundation (USA); Portuguese FCT (Fundacao para a Ciencia e a Tecnologia) through program GENEKELP [PTDC/MAR-EST/6053/2014]; Portuguese FCT (Fundacao para a Ciencia e a Tecnologia) through program MARFOR [Biodiversa/0004/2015]; Portuguese FCT (Fundacao para a Ciencia e a Tecnologia) [UID/Multi/04326/2013, SFRH/BPD/88935/2012, SFRH/BPD/111003/2015]; NSERC; FRQNT; Canada Foundation for Innovation; New Brunswick Innovation Foundation; European Union's Seventh Framework Programme [226248]; Danish Environmental Protection Agency within the Danish Cooperation for Environment in the Arctic (DANCEA)
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doi10.1038/s41598-018-19620-7
dc.identifier.issn2045-2322
dc.identifier.urihttp://hdl.handle.net/10400.1/11517
dc.language.isoeng
dc.peerreviewedyes
dc.publisherNature Publishing Group
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectDna Barcode examination
dc.subjectNorth-Atlantic
dc.subjectGenetic consequences
dc.subjectLaminaria Phaeophyta
dc.subjectMitochondrial-Dna
dc.subjectR package
dc.subjectSea-ice
dc.subjectSpeciation
dc.subjectPacific
dc.subjectDivergence
dc.titleGlacial vicariance drives phylogeographic diversification in the amphi-boreal kelp Saccharina latissima
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMulti%2F04326%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F88935%2F2012/PT
oaire.citation.startPagee39289
oaire.citation.titleScientific Reports
oaire.citation.volume8
oaire.fundingStream5876
oaire.fundingStreamSFRH
person.familyNamePaulino
person.familyNameAssis
person.familyNameGouveia
person.familyNameAires
person.familyNamePearson
person.familyNameSerrao
person.givenNameCristina
person.givenNameJorge
person.givenNameLicínia
person.givenNameTania
person.givenNameGareth Anthony
person.givenNameEster A.
person.identifier282868
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person.identifier.orcid0000-0002-1964-6819
person.identifier.orcid0000-0002-0768-464X
person.identifier.orcid0000-0003-1316-658X
person.identifier.ridM-4126-2013
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person.identifier.ridM-8306-2013
person.identifier.ridJ-3911-2013
person.identifier.scopus-author-id55892980300
person.identifier.scopus-author-id53463298700
person.identifier.scopus-author-id55916875600
person.identifier.scopus-author-id7004093604
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccess
rcaap.typearticle
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