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dc.contributor.authorCalderón, I.-
dc.contributor.authorTuron, Xavier-
dc.contributor.authorLessios, H.-
dc.date.accessioned2011-08-19T12:35:56Z-
dc.date.available2011-08-19T12:35:56Z-
dc.date.issued2009-
dc.identifier.citationJournal of Molecular Evolution 68(4) : 366-376 (2009)es_ES
dc.identifier.issn0022-2844-
dc.identifier.urihttp://hdl.handle.net/10261/38787-
dc.description11 Páginas ; 4 Figuras ; 3 Tablases_ES
dc.description.abstractBindin is a sea urchin gamete-recognition protein that plays an essential role in the specificity of egg– sperm interactions and thus may be evolving under sexual selection and be related to speciation. Bindin has been found to evolve under strong selection in some sea urchin genera and neutrally in others. In this study, we characterized bindin in the two extant species of the genus Paracentrotus: P. lividus from the Atlanto-Mediterranean region and P. gaimardi from Brazil. The structure of the bindin molecule in Paracentrotus is similar to that of other genera studied thus far, consisting of a conserved core flanked by two variable regions and an intron of variable length located at the same conserved position as in other genera. Polymorphism in P. lividus is caused mainly by point substitutions and insertions/deletions, and length variations are caused mainly by the number of repeated motifs in the flanking regions. There is no evidence of recombination. Positive selection is acting on amino acid sites located in two regions flanking the conserved core.es_ES
dc.description.sponsorshipThis research was funded by Project No. CTM2007-66635 of the Spanish Government and by general research funds from the Smithsonian Tropical Research Institute.es_ES
dc.language.isoenges_ES
dc.publisherSpringer Naturees_ES
dc.rightsopenAccesses_ES
dc.subjectBindines_ES
dc.subjectParacentrotuses_ES
dc.subjectPAMLes_ES
dc.subjectSpeciationes_ES
dc.subjectPositive selectiones_ES
dc.subjectSea urchinses_ES
dc.titleCharacterization of the sperm molecule bindin in the sea urchin genus Paracentrotuses_ES
dc.typeartículoes_ES
dc.identifier.doi10.1007/s00239-009-9219-4-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1007/s00239-009-9219-4es_ES
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.cerifentitytypePublications-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
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