Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/43489
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dc.contributor.authorKacem, Hichem-
dc.contributor.authorBakhoum, Abdoulaye Jacque Sacodou-
dc.contributor.authorEira, Catarina-
dc.contributor.authorNeifar, Lassad-
dc.contributor.authorMiquel Colomé, Jordi-
dc.date.accessioned2013-05-15T15:52:51Z-
dc.date.available2013-05-15T15:52:51Z-
dc.date.issued2012-10-
dc.identifier.issn1631-0691-
dc.identifier.urihttp://hdl.handle.net/2445/43489-
dc.description.abstractThe ultrastructural organization of the spermatozoon of the digenean Hypocreadium caputvadum (Lepocreadioidea: Lepocreadiidae) is described. Live digeneans were collected from Balistes capriscus (Teleostei: Balistidae) from the Gulf of Gabès, Tunisia (Eastern Mediterranean Sea). The mature spermatozoon of H. caputvadum shows several ultrastructural characters such as two axonemes of different lengths exhibiting the classical 9 +"1" trepaxonematan pattern, a nucleus, two mitochondria, granules of glycogen, external ornamentation of the plasma membrane and two bundles of parallel cortical microtubules. Moreover, in the anterior extremity, the second axoneme is partly surrounded by a discontinuous and submembranous layer of electron-dense material. Our study provides new data on the spermatozoon of H. caputvadum in order to improve the understanding of phylogenetic relationships in the Digenea, particularly in the superfamily Lepocreadioidea. In this context, the electron-dense material surrounding one of the axonemes in the anterior spermatozoon extremity constitutes the unique distinguishing ultrastructural character of lepocreadioideans, and it is present in spermatozoa of lepocreadiids, aephnidiogenids and gyliauchenids.-
dc.format.extent8 p.-
dc.format.mimetypeapplication/pdf-
dc.language.isoeng-
dc.publisherElsevier Masson SAS-
dc.relation.isformatofVersió postprint del document publicat a: http://dx.doi.org/10.1016/j.crvi.2012.10.002-
dc.relation.ispartofComptes Rendus Biologies, 2012, vol. 335, num. 10-11, p. 637-644-
dc.relation.urihttp://dx.doi.org/10.1016/j.crvi.2012.10.002-
dc.rights(c) Elsevier Masson SAS, 2012-
dc.subject.classificationEspermatozoides-
dc.subject.classificationUltraestructura (Biologia)-
dc.subject.classificationTrematodes-
dc.subject.classificationParasitologia-
dc.subject.otherSpermatozoa-
dc.subject.otherUltrastructure (Biology)-
dc.subject.otherTrematoda-
dc.subject.otherParasitology-
dc.titleUltrastructural characters of the spermatozoon of the digenean Hypocreadium caputvadum Kacem et al., 2011 (Lepocreadioidea: Lepocreadiidae), an intestinal parasite of Balistes capriscus in Tunisia-
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/acceptedVersion-
dc.identifier.idgrec616630-
dc.date.updated2013-05-15T15:52:51Z-
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess-
Appears in Collections:Articles publicats en revistes (Institut de Recerca de la Biodiversitat (IRBio))
Articles publicats en revistes (Biologia, Sanitat i Medi Ambient)

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