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dc.contributor.authorSalas-Casanova, María del Carmen 
dc.contributor.authorBueno-Pérez, Juan de Dios
dc.contributor.authorLópez-Téllez, Juan Félix
dc.contributor.authorCheca, Antonio
dc.date.accessioned2022-08-22T11:22:25Z
dc.date.available2022-08-22T11:22:25Z
dc.date.issued2022-08
dc.identifier.citationCarmen Salas, Juan de Dios Bueno-Pérez, Juan Félix López-Téllez, Antonio G. Checa, Form and function of the mantle edge in Protobranchia (Mollusca: Bivalvia), Zoology, Volume 153, 2022, 126027, ISSN 0944-2006, https://doi.org/10.1016/j.zool.2022.126027.es_ES
dc.identifier.issn0944-2006
dc.identifier.urihttps://hdl.handle.net/10630/24804
dc.description.abstractWe analyzed, by optical and transmission electron microscopy, the morphology and function of the mantle edge, including the formation of the periostracum, of ten species of protobranchs. Five species from the order Nuculida, four species from the order Nuculanida and one species from the order Solemyida were studied. A second outer fold, which seems to function as a template for the internal marginal crenulations of the valves, is present in the crenulated species of Nucula. The minute non-crenulated Ennucula aegeensis shows the glandular basal cells displaced toward the periostracal groove, resembling a minute additional fold between the outer and middle folds. Intense secretion of glycocalyx, together with active uptake of particles, have been observed in the inner epithelium of the middle mantle fold and the whole epithelium of the inner mantle fold in all the studied species. Contrary to the rest of the bivalves, all the protobranchs analyzed have two basal cells involved in the formation of the external nanometric pellicle of the periostracum, a character that would support the monophyly of protobranchs. A three-layered pattern is the general rule for the periostracum in protobranchs, like for other bivalves. The presence of pouches of translucent layer inside the tanned dark layer under periostracal folds is characteristic of the species with a folded periostracum; its function is unclear but could give flexibility to the periostracum. The non-nacreous internal shell layer and the presence of translucent pouches under periostracal folds in Sarepta speciosa resemble those found in nuculanids. However, the free periostracum is rather similar to those of N. hanleyi and E. aegeensis, with a continuous vesicular layer. All the latter supports the inclusion of Sarepta in the order Nuculanida but could indicate either a basal lineage or that the translucent vesicular layer is an adaptive trait.es_ES
dc.description.sponsorshipThis research was funded by the projects CGL2017-85118-P and PID2020-116660GB-I00 of the Spanish Ministry of Economy, Industry and Competitiveness. Funding for open access charge has been provided by the University of Málaga/CBUA.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectBivalvoses_ES
dc.subject.otherSareptaes_ES
dc.subject.otherAcilaes_ES
dc.subject.otherNuculaes_ES
dc.subject.otherNuculanaes_ES
dc.subject.otherLembuluses_ES
dc.subject.otherSolemyaes_ES
dc.subject.otherPeriostracumes_ES
dc.subject.otherValve crenulationses_ES
dc.subject.otherEnnucules_ES
dc.titleForm and function of the mantle edge in Protobranchia (Mollusca: Bivalvia)es_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.centroFacultad de Cienciases_ES
dc.identifier.doihttps://doi.org/10.1016/j.zool.2022.126027
dc.rights.ccAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersiones_ES


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