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Phosphoglucose isomerase variability of Cerastoderma glaucum as a model for testing the influence of environmental conditions and dispersal patterns through quantitative ecology approaches

2009-10Journal article Restricted access
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dc.contributor.authorGonzalez-Wangueemert, Mercedes
dc.contributor.authorCanovas, Fernando
dc.contributor.authorMarcos, Concepcion
dc.contributor.authorPerez-Ruzafa, Angel
dc.date.accessioned2016-10-07T10:35:53Z
dc.date.available2016-10-07T10:35:53Z
dc.date.issued2009-10
dc.description.abstractExtreme conditions of coastal lagoons could directly modify the genetic patterns of species. The aim of this work was to investigate the influence of environmental conditions and small scale dispersal patterns on the phosphoglucose isomerase (PGI*) genetic variability of Cerastoderma glaucum from the Mar Menor coastal lagoon. For this purpose, 284 cockles were collected around the perimeter of the lagoon. Vertical polyacrylamide gel electrophoresis was used to scan for PGI* polymorphisms, giving a total of seven alleles. The spatial genetic distribution of the PGI* variability, which seems to be marked by the main circulation in the lagoon, discriminates four hydrological basins. In the central basin, a gradient of allelic composition reflects the circulation forced by the dominant winds and the main channel communicated to the open sea. This result is well supported by the salinity GAM model that defines this gradient. The other three basins are defined by the distribution of fine sand in a more complex model that tries to explain the isolation of the three sites localized inside these basins. The southern, western and northern basins show the lowest degree of interconnection and are considered the most confined areas of the Mar Menor lagoon. This situation agrees with the confinement theory for benthic assemblages in the lagoon. The greater degree of differentiation seen in the Isla del Ciervo population is probably due to recent human intervention on the nearby Marchamalo channel, which has been drained in recent years thus altering the influence of the Mediterranean Sea on the southern basin.
dc.identifier.doihttp://dx.doi.org/10.1016/j.bse.2009.05.013
dc.identifier.issn0305-1978
dc.identifier.urihttp://hdl.handle.net/10400.1/8711
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relation.isbasedonWOS:000270481900012
dc.subjectIsozymes
dc.subjectPrincipal component analysis
dc.subjectGeneralised additive models
dc.subjectSynthesis maps
dc.subjectSeascape genetics
dc.titlePhosphoglucose isomerase variability of Cerastoderma glaucum as a model for testing the influence of environmental conditions and dispersal patterns through quantitative ecology approaches
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage333
oaire.citation.issue4
oaire.citation.startPage325
oaire.citation.titleBiochemical Systematics and Ecology
oaire.citation.volume37
person.familyNameGonzalez-Wanguemert
person.familyNameCanovas
person.givenNameMercedes
person.givenNameFernando
person.identifier.orcid0000-0002-0656-358X
person.identifier.orcid0000-0002-8837-1927
person.identifier.ridM-3467-2013
person.identifier.ridM-3457-2013
person.identifier.scopus-author-id55898776000
person.identifier.scopus-author-id23395891600
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication480ebbab-0b12-422b-90f4-998970e3aa00
relation.isAuthorOfPublication81132a0f-e241-4b49-8651-b989d1170775
relation.isAuthorOfPublication.latestForDiscovery81132a0f-e241-4b49-8651-b989d1170775

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