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Sperm ultrastructural features of Proctotrema bacilliovatum (Digenea, Monorchiidae), an intestinal parasite of the Striped red mullet Mullus surmuletus (Teleostei, Mullidae) from the Gulf of Gabès (Tunisia). ZOOL ANZ 2022. [DOI: 10.1016/j.jcz.2022.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Sperm characteristics in the digenean Diplodiscus amphichrus (Paramphistomoidea, Diplodiscidae), a parasite of the Chinese edible frog Hoplobatrachus rugulosus. ZOOMORPHOLOGY 2020. [DOI: 10.1007/s00435-020-00489-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Kacem H, Miquel J. Sperm characters of the bucephalid digenean Prosorhynchoides arcuatus and their phylogenetic significance. ZOOL ANZ 2018. [DOI: 10.1016/j.jcz.2018.03.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Bakhoum AJ, Kacem H, Neifar L, Miquel J. The Opecoelidae sperm model and its contribution to phylogeny: Spermatozoon ultrastructural particularities of Allopodocotyle pedicellata (Plagioporinae, Digenea, Platyhelminthes). ZOOL ANZ 2017. [DOI: 10.1016/j.jcz.2016.10.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Bakhoum AJS, Miquel J, Ndiaye PI, Justine JL, Falchi A, Bâ CT, Marchand B, Quilichini Y. Advances in Spermatological Characters in the Digenea: Review and Proposal of Spermatozoa Models and Their Phylogenetic Importance. ADVANCES IN PARASITOLOGY 2017; 98:111-165. [PMID: 28942768 DOI: 10.1016/bs.apar.2017.04.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The wide biodiversity and economic importance of digeneans have motivated a great deal of research in the last decade, focussing on their phylogenetic positions. Molecular research was instrumental for our understanding of phylogeny in the Digenea, but spermatological studies have also provided many results, which are potentially useful for phylogeny; however, the complete spermatological data set has never been reviewed in a whole phylogenetic perspective. Spermatological data are now available for more than 100 species, belonging to 15 superfamilies and 46 families. In this paper, we try to summarize the current knowledge about sperm structure in the digeneans and propose a classification of digenean spermatozoa into five basic models. The main ultrastructural characters used are (1) the type of axoneme, (2) the lateral expansion, (3) the association 'external ornamentation of the plasma membrane + cortical microtubules', (4) the field of cortical microtubules and its number, (5) the location of the external ornamentation, (6) the location of the maximum number of cortical microtubules and (7) the number of mitochondria. We also outline the most interesting features for phylogenetic inference and their possible value in the context of digenean systematics, phylogeny and evolution. Associations between sperm models and superfamilies were found as follows: Type 1 in the Schistosomatoidea; Type 2 in the Hemiuroidea; Type 3 in the Opecoeloidea, Lepocreadioidea, Haploporoidea and Opisthorchioidea; Type 4 in the Gorgoderoidea, Microphalloidea, Plagiorchioidea and Gymnophalloidea; Type 5 in the Echinostomatoidea, Microscaphidioidea, Paramphistomoidea, Pronocephaloidea and Brachylaimoidea.
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Affiliation(s)
- Abdoulaye J S Bakhoum
- CNRS - Università di Corsica, UMR 6134 - SPE, Corte, France; Cheikh Anta Diop University of Dakar, Dakar, Senegal
| | - Jordi Miquel
- Universitat de Barcelona, Barcelona, Spain; IRBio, Barcelona, Spain
| | - Papa I Ndiaye
- Cheikh Anta Diop University of Dakar, Dakar, Senegal
| | - Jean-Lou Justine
- Institut de Systématique, Évolution, Biodiversité, ISYEB, UMR7205 CNRS, EPHE, MNHN, UPMC, Muséum National d'Histoire Naturelle, Sorbonne Universités, Paris, France
| | | | - Cheikh T Bâ
- Cheikh Anta Diop University of Dakar, Dakar, Senegal
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Quilichini Y, Bakhoum AJS, Justine JL, Bray RA, Bâ CT, Marchand B. Spermatozoon ultrastructure in two monorchiid digeneans. PeerJ 2016; 4:e2488. [PMID: 27688980 PMCID: PMC5036076 DOI: 10.7717/peerj.2488] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Accepted: 08/25/2016] [Indexed: 11/20/2022] Open
Abstract
Spermatological characteristics of species from two monorchiid genera, Opisthomonorchis and Paramonorcheides, have been investigated, for the first time, by means of transmission electron microscopy. The ultrastructural study reveals that the mature spermatozoon of Opisthomonorchis dinema and Paramonorcheides selaris share several characters such as the presence of two axonemes of different lengths showing the 9+"1" pattern of the Trepaxonemata, a nucleus, two mitochondria, two bundles of parallel cortical microtubules, external ornamentation of the plasma membrane, spine-like bodies, granules of glycogen and similar morphologies of the anterior and posterior extremities. The slight differences between the male gamete of O. dinema and P. selaris are the length of the first axoneme and the position of the second mitochondrion. This study also elucidates the general morphology of the spermatozoon in all monorchiid species described so far, which corresponds to a unique spermatozoon type. Other interesting finds concern the spermatological similarities between monorchiid spermatozoa and the mature spermatozoon reported in the apocreadiid Neoapocreadium chabaudi. These similarities allow us to suggest a close phylogenetical relationship between the Monorchiidae and the Apocreadiidae, although more studies are needed, especially in the unexplored taxa.
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Affiliation(s)
- Yann Quilichini
- GEM - Service d'Etude et de Recherche en Microscopie Electronique (SERME), UMR 6134 -SPE, CNRS -University of Corsica , Corte , Corsica , France
| | - Abdoulaye J S Bakhoum
- GEM - Service d'Etude et de Recherche en Microscopie Electronique (SERME), UMR 6134 -SPE, CNRS -University of Corsica, Corte, Corsica, France; Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, University Cheikh Anta Diop of Dakar, Dakar, Senegal
| | - Jean-Lou Justine
- ISYEB, Institut de Systématique, Évolution, Biodiversité (UMR7205 CNRS, EPHE, MNHN, UPMC), Muséum National d'Histoire Naturelle de Paris, Sorbonne Universités , Paris , France
| | - Rodney A Bray
- Department of Life Sciences, National History Museum of London , London , United Kingdom
| | - Cheikh T Bâ
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, University Cheikh Anta Diop of Dakar , Dakar , Senegal
| | - Bernard Marchand
- GEM - Service d'Etude et de Recherche en Microscopie Electronique (SERME), UMR 6134 -SPE, CNRS -University of Corsica , Corte , Corsica , France
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Bakhoum AJ, Quilichini Y, Miquel J, Feliu C, Bâ CT, Marchand B. Ultrastructure of the male gamete of Brachylecithum eliomydis (Digenea, Dicrocoeliidae)—A parasite of Eliomys quercinus (Rodentia, Gliridae). ZOOL ANZ 2015. [DOI: 10.1016/j.jcz.2015.01.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Bakhoum AJS, Quilichini Y, Justine JL, Bray RA, Bâ CT, Marchand B. Neomultitestis aspidogastriformis Bray and Cribb, 2003 (Digenea, Lepocreadiidae): mature spermatozoon and sperm morphologies in the Lepocreadioidea. Cell Biol Int 2015; 39:799-807. [PMID: 25644308 DOI: 10.1002/cbin.10449] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2014] [Accepted: 01/15/2015] [Indexed: 11/11/2022]
Abstract
Spermatological characteristics are described for the first time in the genus Neomultitestis Machida, 1982, belonging to the family Lepocreadiidae Odhner, 1905. Adult Neomultitestis aspidogastriformis were collected from the digestive tract of Platax teira, caught off New Caledonia. The mature spermatozoon of N. aspidogastriformis is described by transmission electron microscopy (TEM). It includes two axonemes with 9 + "1" pattern of Trepaxonemata, an antero-lateral electron-dense material, attachment zones, two mitochondria, a nucleus, two bundles of parallel cortical microtubules, external ornamentation of the plasma membrane, spine-like bodies, and granules of glycogen. Certain ultrastructural characteristics of the spermatozoon, especially the antero-lateral electron-dense material, are shared by N. aspidogastriformis and all species of the superfamily Lepocreadioidea studied so far. The antero-lateral electron-dense material, present in different families of lepocreadioids, supports the monophyletic status of the superfamily. We also list several ultrastructural characteristics which characterize the mature spermatozoon of the Lepocreadioidea.
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Affiliation(s)
- Abdoulaye J S Bakhoum
- CNRS-University of Corsica, UMR 6134-SPE, SERME Service d'Étude et de Recherche en Microscopie Électronique, Corte, 20250, Corsica, France.,Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Cheikh Anta Diop University of Dakar, BP, 5055, Dakar, Senegal
| | - Yann Quilichini
- CNRS-University of Corsica, UMR 6134-SPE, SERME Service d'Étude et de Recherche en Microscopie Électronique, Corte, 20250, Corsica, France
| | - Jean-Lou Justine
- ISYEB, Institut de Systématique, Évolution, Biodiversité (UMR7205 CNRS, EPHE, MNHN, UPMC), Muséum National d'Histoire Naturelle, CP 51, 55 rue Buffon, 75231, Paris cedex 05, France
| | - Rodney A Bray
- Department of Life Sciences, Natural History Museum, Cromwell Road, London, SW7 5BD, UK
| | - Cheikh T Bâ
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Cheikh Anta Diop University of Dakar, BP, 5055, Dakar, Senegal
| | - Bernard Marchand
- CNRS-University of Corsica, UMR 6134-SPE, SERME Service d'Étude et de Recherche en Microscopie Électronique, Corte, 20250, Corsica, France
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Ibnou Ndiaye P, Torres J, Eira C, Shimalov VV, Miquel J. Ultrastructure of the spermatozoon of the trematode Notocotylus noyeri (Digenea: Notocotylidae), a parasite of Microtus arvalis (Rodentia: Cricetidae). Folia Parasitol (Praha) 2015; 62. [PMID: 25960545 DOI: 10.14411/fp.2015.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2014] [Accepted: 07/18/2014] [Indexed: 11/19/2022]
Abstract
In the present paper, we describe the ultrastructure of the spermatozoon of the notocotylid Notocotylus noyeri (Joyeux, 1922) by means of transmission electron microscopy. The mature spermatozoon of N. noyeri exhibits the general pattern described in the majority of digeneans: two axonemes of the 9 + "1" pattern of the Trepaxonemata, nucleus, mitochondria, parallel cortical microtubules, spine-like bodies and ornamentation of the plasma membrane. The glycogenic nature of the electron-dense granules was evidenced applying the test of Thiéry. The ultrastructural features of the spermatozoon of N. noyeri present some differences in relation to those of the Pronocephalidea described until now, but confirm a general pattern for the Notocotylidae, namely a spermatozoon with two mitochondria and an anterior region with ornamentation of the plasma membrane associated with spine-like bodies. The posterior extremity of the spermatozoon exhibits only some microtubules after the disorganisation of the second axoneme. The present study confirms that some ultrastructural characters of the sperm cell such as the presence or absence of lateral expansions, the number of mitochondria and the morphology of both anterior and posterior spermatozoon extremities are useful for phylogenetic purposes within the Pronocephaloidea. Thus, unlike notocotylids, pronocephalids exhibit external ornamentation and a lateral expansion in the anterior spermatozoon region. Moreover, notocotylid spermatozoa present two mitochondria, whereas pronocephalid spermatozoa exhibit a single mitochondrion. Finally, pronocephalids are characterised by a type 2 posterior spermatozoon extremity, whereas notocotylids exhibit a type 3 posterior spermatozoon extremity.
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Affiliation(s)
- Papa Ibnou Ndiaye
- Laboratory of Evolutionary Biology, Ecology and Management of Ecosystems, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar, Dakar, Senegal
| | - Jordi Torres
- Laboratori de Parasitologia, Departament de Microbiologia i Parasitologia Sanitaries, Facultat de Farmacia, Universitat de Barcelona, Barcelona, Spain.,Institut de Recerca de la Biodiversitat, Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
| | - Catarina Eira
- CESAM & Departamento de Biologia, Universidade de Aveiro, Aveiro, Portugal.,Sociedade Portuguesa de Vida Selvagem, Estacao de Campo de Quiaios, Figueira da Foz, Portugal
| | | | - Jordi Miquel
- Laboratori de Parasitologia, Departament de Microbiologia i Parasitologia Sanitaries, Facultat de Farmacia, Universitat de Barcelona, Barcelona, Spain.,Institut de Recerca de la Biodiversitat, Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
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Miquel J, Vilavella D, Swiderski Z, Shimalov VV, Torres J. Spermatological characteristics of Pleurogenidae (Digenea) inferred from the ultrastructural study of Pleurogenes claviger, Pleurogenoides medians and Prosotocus confusus. ACTA ACUST UNITED AC 2013; 20:28. [PMID: 23985167 PMCID: PMC3756337 DOI: 10.1051/parasite/2013028] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2013] [Accepted: 08/16/2013] [Indexed: 11/24/2022]
Abstract
The present work constitutes the first ultrastructural analysis of the spermatozoon in the Pleurogenidae, with the study of three species belonging to three of the 16 genera included in this family, namely Pleurogenes claviger, Pleurogenoides medians and Prosotocus confusus. The mature spermatozoa of these pleurogenids present two axonemes of the 9+“1” trepaxonematan pattern, a nucleus, two mitochondria, two bundles of parallel cortical microtubules, external ornamentation, spine-like bodies and granules of glycogen. The organization of these characters in the sperm cell is similar in the three species. Thus, the anterior spermatozoon extremity is filiform and a continuous and submembranous layer of parallel cortical microtubules surrounds the axonemes at their anterior end. The posterior spermatozoon extremity exhibits the second axoneme and corresponds to the Cryptogonimidean type of Quilichini et al. (2010). Slight differences were noted between the spermatozoon of P. confusus and those of the two remaining species in the location of mitochondria.
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Affiliation(s)
- Jordi Miquel
- Laboratori de Parasitologia, Departament de Microbiologia i Parasitologia Sanitàries, Facultat de Farmàcia, Universitat de Barcelona, Av. Joan XXIII, sn, 08028 Barcelona, Spain - Institut de Recerca de la Biodiversitat, Facultat de Biologia, Universitat de Barcelona, Av. Diagonal 645, 08028 Barcelona, Spain
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