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DC Field | Value | Language |
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dc.contributor.author | Koutsouveli, Vasiliki | - |
dc.contributor.author | Taboada Moreno, Sergi | - |
dc.contributor.author | Moles, Juan | - |
dc.contributor.author | Cristobo, Javier | - |
dc.contributor.author | Ríos, Pilar | - |
dc.contributor.author | Bertran, Andrea | - |
dc.contributor.author | Solà Peracaula, Joan | - |
dc.contributor.author | Ávila Escartín, Conxita | - |
dc.contributor.author | Riesgo Gil, Ana | - |
dc.date.accessioned | 2019-03-08T12:58:14Z | - |
dc.date.available | 2019-03-08T12:58:14Z | - |
dc.date.issued | 2018-02-08 | - |
dc.identifier.issn | 1932-6203 | - |
dc.identifier.uri | http://hdl.handle.net/2445/129962 | - |
dc.description.abstract | Sponges are a dominant element of the Antarctic benthic communities, posing both high species richness and large population densities. Despite their importance in Antarctic ecosystems, very little is known about their reproductive patterns and strategies. In our study, we surveyed the tissue of six different species for reproductive elements, namely, Dendrilla antarctica Topsent, 1905 (order Dendroceratida), Phorbas areolatus (Thiele, 1905), Kirkpatrickia variolosa (Kirkpatrick, 1907), and Isodictya kerguelenensis (Ridley & Dendy, 1886) (order Poecilosclerida), and Hemigellius pilosus (Kirkpatrick, 1907) and Haliclona penicillata (Topsent, 1908) (Haplosclerida). Samples of these six species containing various reproductive elements were collected in Deception Island and were processed for both light and transmission electron microscopy (TEM). Even though we were not able to monitor the entire reproductive cycle, due to time and meteorological conditions, we report important aspects of the reproduction of these species. This includes oocyte and embryo morphology and cell ultrastructure, follicular structures and nurse cell activity, as well as vitellogenesis. All species were brooding their embryos within their mesohyl. Both oocytes and embryos were registered in the majority of the studied species, and a single sperm cell being carried to an egg for fertilization was observed in H. penicillata. While the reproductive periods of all species coincided temporally, some of them seemed to rely on a single spawning event, this being suggested by the synchronic oogenesis and embryogenesis occurrence of D. antarctica, P. areolatus and I. kerguelenensis. In contrast, K. variolosa had an asynchronous embryo development, which suggests several larval release events. Our results suggest that differences in the reproductive strategies and morphological traits might succeed in the coexistence of these species at the same habitat avoiding the direct competition between them. | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | Public Library of Science (PLoS) | - |
dc.relation.isformatof | Reproducció del document publicat a: https://doi.org/10.1371/journal.pone.0192267 | - |
dc.relation.ispartof | PLoS One, 2018, vol. 13, num. 2, p. e0192267 | - |
dc.relation.uri | https://doi.org/10.1371/journal.pone.0192267 | - |
dc.rights | cc-by (c) Vasiliki Koutsouveli et al., 2018 | - |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/es | - |
dc.source | Articles publicats en revistes (Biologia Evolutiva, Ecologia i Ciències Ambientals) | - |
dc.subject.classification | Antàrtida | - |
dc.subject.classification | Esponges | - |
dc.subject.classification | Reproducció | - |
dc.subject.classification | Fisiologia comparada | - |
dc.subject.other | Antarctica | - |
dc.subject.other | Sponges | - |
dc.subject.other | Reproduction | - |
dc.subject.other | Comparative physiology | - |
dc.title | Insights into the reproduction of some Antarctic dendroceratid, poecilosclerid, and haplosclerid demosponges | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 672329 | - |
dc.date.updated | 2019-03-08T12:58:14Z | - |
dc.relation.projectID | info:eu-repo/grantAgreement/EC/FP7/336917/EU//BETTERSENSE | - |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
dc.identifier.pmid | 29420669 | - |
Appears in Collections: | Articles publicats en revistes (Biologia Evolutiva, Ecologia i Ciències Ambientals) Articles publicats en revistes (Institut de Recerca de la Biodiversitat (IRBio)) Publicacions de projectes de recerca finançats per la UE |
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672329.pdf | 4.82 MB | Adobe PDF | View/Open |
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