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Differential population structuring of two closely related fish species, the mackerel (Scomber scombrus) and the chub mackerel (Scomber japonicus), in the Mediterranean Sea

2004Journal article Restricted access
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dc.contributor.authorZardoya, R.
dc.contributor.authorCastilho, Rita
dc.contributor.authorGrande, Cristina
dc.contributor.authorFavre-Krey, L.
dc.contributor.authorCaetano, Sandra
dc.contributor.authorMarcato, S.
dc.contributor.authorKrey, G.
dc.contributor.authorPatarnello, T.
dc.date.accessioned2014-05-20T12:00:25Z
dc.date.available2014-05-20T12:00:25Z
dc.date.issued2004
dc.date.updated2014-05-16T11:51:07Z
dc.description.abstractPopulation genetic structures of the mackerel (Scomber scombrus) and chub mackerel (Scomber japonicus) were studied in the Mediterranean Sea. Fragments of 272 bp (S. scomber) and 387 bp (S. japonicus) of the 5′ -end of the mitochondrial control region were sequenced from spawning individuals collected off the coasts of Greece, Italy, Spain, and Portugal. High levels of mitochondrial control region haplotypic diversity (> 0.98) were found for both Scomber species. Nucleotide diversity was higher in the mackerel (0.022) than in the chub mackerel (0.017). Global F ST values were also higher and significant in the mackerel (0.024, P < 0.0001) as opposed to the chub mackerel (0.003, P > 0.05). Molecular variance analyses showed differential genetic structuring for these two closely related species. There is extensive gene flow between Mediterranean Sea and Atlantic Ocean populations of chub mackerel, which are organized into a larger panmictic unit. In contrast, Mediterranean Sea populations of mackerel show some degree of genetic differentiation and are structured along an east–west axis. The analysed eastern Mediterranean Sea mackerel populations (Greece, Italy) are clearly separated from that of the western Mediterranean Sea (Barcelona), which forms a panmictic unit with eastern Atlantic Ocean populations. The genetic structures of both species showed asymmetric migration patterns and indicated population expansion.por
dc.identifier.citationZardoya, R.; Castilho, R.; Grande, C.; Favre-Krey, L.; Caetano, S.; Marcato, S.; Krey, G.; Patarnello, T. Differential population structuring of two closely related fish species, the mackerel (Scomber scombrus) and the chub mackerel (Scomber japonicus), in the Mediterranean Sea, Molecular Ecology, 13, 7, 1785-1798, 2004.por
dc.identifier.doihttp://dx.doi.org/10.1111/j.1365-294X.2004.02198.x
dc.identifier.issn0962-1083
dc.identifier.otherAUT: RCA00270;
dc.identifier.urihttp://hdl.handle.net/10400.1/4008
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherBlackwellpor
dc.subjectScomberpor
dc.subjectGeneticspor
dc.subjectPopulationpor
dc.subjectMitochondrial control regionpor
dc.subjectChub mackerelpor
dc.subjectMackerelpor
dc.subjectMarine speciationpor
dc.titleDifferential population structuring of two closely related fish species, the mackerel (Scomber scombrus) and the chub mackerel (Scomber japonicus), in the Mediterranean Seapor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage1798por
oaire.citation.issue7por
oaire.citation.startPage1785por
oaire.citation.titleMolecular Ecologypor
oaire.citation.volume13por
person.familyNameCastilho
person.familyNameCaetano
person.givenNameRita
person.givenNameSandra
person.identifier452212
person.identifier.ciencia-id0513-0407-A6C1
person.identifier.ciencia-id5815-EE93-D672
person.identifier.orcid0000-0003-0727-3688
person.identifier.ridB-6185-2008
person.identifier.scopus-author-id56271196600
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication051f68ec-18e0-4008-b06d-bf4b996fa098
relation.isAuthorOfPublicationed9042c4-e271-486a-9e40-020016488697
relation.isAuthorOfPublication.latestForDiscovery051f68ec-18e0-4008-b06d-bf4b996fa098

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