Ultrastructure of digenean trematode eggs (Platyhelminthes: Neoophora): A review emphasizing new comparative data on four European Microphalloidea

Despite their tremendous diversity and their medical and veterinary importance, details of egg ultrastructure among the digenean trematodes has been studied rather little. The available literature is spread over several decades and several species, but has not been adequately reviewed to reveal patt...

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Authors: Conn, David Bruce, Swiderski, Zdzislaw, Miquel Colomé, Jordi
Format: article
Status:Versión aceptada para publicación
Publication Date:2018
Country:España
Institution:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repository:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:2445/162200
Online Access:https://hdl.handle.net/2445/162200
Access Level:Open access
Keyword:Parasitologia
Reproducció
Ultraestructura (Biologia)
Microscòpia electrònica
Trematodes
Larves
Europa
Parasitology
Reproduction
Ultrastructure (Biology)
Electron microscopy
Trematoda
Larvae
Europe
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spelling Ultrastructure of digenean trematode eggs (Platyhelminthes: Neoophora): A review emphasizing new comparative data on four European MicrophalloideaConn, David BruceSwiderski, ZdzislawMiquel Colomé, JordiParasitologiaReproduccióUltraestructura (Biologia)Microscòpia electrònicaTrematodesLarvesEuropaParasitologyReproductionUltrastructure (Biology)Electron microscopyTrematodaLarvaeEuropeDespite their tremendous diversity and their medical and veterinary importance, details of egg ultrastructure among the digenean trematodes has been studied rather little. The available literature is spread over several decades and several species, but has not been adequately reviewed to reveal patterns of similarity and divergence. We present this review to synthesize and analyse what is known from the available literature reporting studies using both transmission electron microscopy (TEM) and scanning electron microscopy (SEM). To support our general review of existing literature, we also have synthesized our own previously published descriptions, and present herein our new previously unpublished data. From these new electron micrographs, we provide a comparative analysis of the intrauterine eggs of four digenean species, representing four genera and three families of the superfamily Microphalloidea, collected from four different host wildlife species in four European countries: 1) Mediogonimus jourdanei (Prosthogonimidae) from Myodes glareolus (Mammalia: Rodentia), collected in France; 2) Maritrema feliui (Microphallidae) from Crocidura russula (Mammalia: Soricimorpha), collected in Spain; 3) Brandesia turgida (Pleurogenidae) from Pelophylax ridibundus (Amphibia: Anura: Ranidae), collected in Russia; and 4) Prosotocus confusus (Pleurogenidae) from Rana lessonae (Amphibia: Anura: Ranidae), collected in Belarus. All were studied by preparing whole worms by various techniques for TEM, so that eggs could be studied in situ within the uterus of the parent worm. Based on the literature review and the new data presented here, we describe basic similarities in patterns of embryogenesis and egg formation among all trematode species, but substantial variations in timing of larvigenesis, sculpturing of egg shell surfaces, and some other features, especially including accessory cocoon coverings outside the egg shells of B. turgida and P. confusus. In the future, many more studies are needed to explore egg ultrastructure in other digenean taxa, to explore potential phylogenetic patterns in egg development and structure, and to correlate structure with function in the life cycle.Versita2020202020182020info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersion14 p.application/pdfapplication/pdfhttps://hdl.handle.net/2445/162200Articles publicats en revistes (Biologia, Sanitat i Medi Ambient)reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)InglésVersió postprint del document publicat a: https://doi.org/10.1515/ap-2018-0001Acta Parasitologica, 2018, vol. 63, num. 1, p. 1-14https://doi.org/10.1515/ap-2018-0001(c) W. Stefanski Institute of Parasitology, 2018info:eu-repo/semantics/openAccessoai:recercat.cat:2445/1622002026-05-29T05:05:01Z
dc.title.none.fl_str_mv Ultrastructure of digenean trematode eggs (Platyhelminthes: Neoophora): A review emphasizing new comparative data on four European Microphalloidea
title Ultrastructure of digenean trematode eggs (Platyhelminthes: Neoophora): A review emphasizing new comparative data on four European Microphalloidea
spellingShingle Ultrastructure of digenean trematode eggs (Platyhelminthes: Neoophora): A review emphasizing new comparative data on four European Microphalloidea
Conn, David Bruce
Parasitologia
Reproducció
Ultraestructura (Biologia)
Microscòpia electrònica
Trematodes
Larves
Europa
Parasitology
Reproduction
Ultrastructure (Biology)
Electron microscopy
Trematoda
Larvae
Europe
title_short Ultrastructure of digenean trematode eggs (Platyhelminthes: Neoophora): A review emphasizing new comparative data on four European Microphalloidea
title_full Ultrastructure of digenean trematode eggs (Platyhelminthes: Neoophora): A review emphasizing new comparative data on four European Microphalloidea
title_fullStr Ultrastructure of digenean trematode eggs (Platyhelminthes: Neoophora): A review emphasizing new comparative data on four European Microphalloidea
title_full_unstemmed Ultrastructure of digenean trematode eggs (Platyhelminthes: Neoophora): A review emphasizing new comparative data on four European Microphalloidea
title_sort Ultrastructure of digenean trematode eggs (Platyhelminthes: Neoophora): A review emphasizing new comparative data on four European Microphalloidea
dc.creator.none.fl_str_mv Conn, David Bruce
Swiderski, Zdzislaw
Miquel Colomé, Jordi
author Conn, David Bruce
author_facet Conn, David Bruce
Swiderski, Zdzislaw
Miquel Colomé, Jordi
author_role author
author2 Swiderski, Zdzislaw
Miquel Colomé, Jordi
author2_role author
author
dc.subject.none.fl_str_mv Parasitologia
Reproducció
Ultraestructura (Biologia)
Microscòpia electrònica
Trematodes
Larves
Europa
Parasitology
Reproduction
Ultrastructure (Biology)
Electron microscopy
Trematoda
Larvae
Europe
topic Parasitologia
Reproducció
Ultraestructura (Biologia)
Microscòpia electrònica
Trematodes
Larves
Europa
Parasitology
Reproduction
Ultrastructure (Biology)
Electron microscopy
Trematoda
Larvae
Europe
description Despite their tremendous diversity and their medical and veterinary importance, details of egg ultrastructure among the digenean trematodes has been studied rather little. The available literature is spread over several decades and several species, but has not been adequately reviewed to reveal patterns of similarity and divergence. We present this review to synthesize and analyse what is known from the available literature reporting studies using both transmission electron microscopy (TEM) and scanning electron microscopy (SEM). To support our general review of existing literature, we also have synthesized our own previously published descriptions, and present herein our new previously unpublished data. From these new electron micrographs, we provide a comparative analysis of the intrauterine eggs of four digenean species, representing four genera and three families of the superfamily Microphalloidea, collected from four different host wildlife species in four European countries: 1) Mediogonimus jourdanei (Prosthogonimidae) from Myodes glareolus (Mammalia: Rodentia), collected in France; 2) Maritrema feliui (Microphallidae) from Crocidura russula (Mammalia: Soricimorpha), collected in Spain; 3) Brandesia turgida (Pleurogenidae) from Pelophylax ridibundus (Amphibia: Anura: Ranidae), collected in Russia; and 4) Prosotocus confusus (Pleurogenidae) from Rana lessonae (Amphibia: Anura: Ranidae), collected in Belarus. All were studied by preparing whole worms by various techniques for TEM, so that eggs could be studied in situ within the uterus of the parent worm. Based on the literature review and the new data presented here, we describe basic similarities in patterns of embryogenesis and egg formation among all trematode species, but substantial variations in timing of larvigenesis, sculpturing of egg shell surfaces, and some other features, especially including accessory cocoon coverings outside the egg shells of B. turgida and P. confusus. In the future, many more studies are needed to explore egg ultrastructure in other digenean taxa, to explore potential phylogenetic patterns in egg development and structure, and to correlate structure with function in the life cycle.
publishDate 2018
dc.date.none.fl_str_mv 2018
2020
2020
2020
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/162200
url https://hdl.handle.net/2445/162200
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Versió postprint del document publicat a: https://doi.org/10.1515/ap-2018-0001
Acta Parasitologica, 2018, vol. 63, num. 1, p. 1-14
https://doi.org/10.1515/ap-2018-0001
dc.rights.none.fl_str_mv (c) W. Stefanski Institute of Parasitology, 2018
info:eu-repo/semantics/openAccess
rights_invalid_str_mv (c) W. Stefanski Institute of Parasitology, 2018
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 14 p.
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Versita
publisher.none.fl_str_mv Versita
dc.source.none.fl_str_mv Articles publicats en revistes (Biologia, Sanitat i Medi Ambient)
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.811543

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