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West versus East Mediterranean Sea: origin and genetic differentiation of the sea cucumber Holothuria polii

2015-09Journal article Restricted access
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dc.contributor.authorValente, Sara
dc.contributor.authorSerrão, Ester
dc.contributor.authorGonzalez-Wangueemert, Mercedes
dc.date.accessioned2016-10-07T10:35:55Z
dc.date.available2016-10-07T10:35:55Z
dc.date.issued2015-09
dc.description.abstractWe studied the genetic structure of the sea cucumber Holothuria (Roweothuria) polii (Delle Chiaje 1823) by analysing the mitochondrial DNA variation in two fragments of cytochrome oxidase I (COI) and 16S genes. Individuals were collected in seven locations along the Mediterranean Sea, which cover a wide range of the species distribution. We found high haplotype diversity for COI and moderate diversity for 16S, and low nucleotide diversity for both genes. Our results for the COI gene showed many recent and exclusive haplotypes with few mutational changes, suggesting recent or ongoing population expansion. The Western and Eastern Mediterranean populations exhibited slight but significant genetic differentiation (COI gene) with higher genetic diversity in the East. The most ancient haplotype was not present in the westernmost sampling location (SE Spain). The oldest expansion time was observed in Turkey, corresponding to mid-Pleistocene. Turkey had also the highest genetic diversity (number of total and exclusive haplotypes, polymorphisms, haplotype and nucleotide diversity). This suggests that this region could be the origin of the subsequent colonizations through the Mediterranean Sea, a hypothesis that should be assessed with nuclear markers in future research.
dc.identifier.doihttp://dx.doi.org/10.1111/maec.12156
dc.identifier.issn0173-9565
dc.identifier.otherAUT: ESE00527;
dc.identifier.urihttp://hdl.handle.net/10400.1/8723
dc.languageeng
dc.peerreviewedyes
dc.publisherWiley
dc.relation.isbasedonWOS:000358729600019
dc.subjectBeche-de-mer
dc.subjectColonization
dc.subjectExpansion
dc.subjectGenetic structure
dc.subjectHolothuria polii
dc.subjectMitochondrial DNA
dc.titleWest versus East Mediterranean Sea: origin and genetic differentiation of the sea cucumber Holothuria polii
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage495
oaire.citation.issue3
oaire.citation.startPage485
oaire.citation.titleMarine Ecology
oaire.citation.volume36
person.familyNameSerrao
person.familyNameGonzalez-Wanguemert
person.givenNameEster A.
person.givenNameMercedes
person.identifierC-6686-2012
person.identifier.ciencia-id5B13-B26E-B1EC
person.identifier.orcid0000-0003-1316-658X
person.identifier.orcid0000-0002-0656-358X
person.identifier.ridM-3467-2013
person.identifier.scopus-author-id7004093604
person.identifier.scopus-author-id55898776000
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication45ccfe90-155c-4d6f-9e86-8f0fd064005f
relation.isAuthorOfPublication480ebbab-0b12-422b-90f4-998970e3aa00
relation.isAuthorOfPublication.latestForDiscovery480ebbab-0b12-422b-90f4-998970e3aa00

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