Incidence of Digenea larvae in Heleobia parchappii (Mollusca, Gastropoda, Cochliopidae)

Autores
Martín, Stella Maris; Nuñez, María Verónica; Gutiérrez Gregoric, Diego E.; Rumi, Alejandra
Año de publicación
2017
Idioma
inglés
Tipo de recurso
artículo
Estado
versión enviada
Descripción
We scored the presence of Digenea larvae in the gonadal follicles and digestive glands of males and females of a Heleobia parchappii (d’Orbigny, 1835) (Mollusca, Cochliopidae) population living in an artificial lake located adjacent to an anthropically impacted area, region of Tigre in the Province of Buenos Aires, Argentina; making seven samplings from May 2005 through May 2006. In the laboratory, we separated subsamples for both histology and parasite-emergence assessment. The former examined the gonadal-development stages in relation to larval presence along with the effect of the larvae on the gonadal tissue and calculated parasite prevalence per age and size. Larval prevalence increased with host length and was greater in post-reproductive-stage individuals, with those >7.5 mm long reaching 100% parasitization. That stage became maximal in August, while juveniles predominated in December and January. The females were predominant almost throughout the year, but were parasitized at the same frequency as the males (p=0.38). This year-round H. parchappii parasitization indicates that Digenea can complete their life cycle in an anthropically impacted environment, thus affecting the autochthonous fauna, pets, and even humans. Mollusk parasitization by Digenea larvae is used to evaluate anthropic environmental pressure as an indicator of pollution by wastes, chemicals, or other refuse resulting from the human presence. The study site exemplifies the recent spate of urban construction projects characterized by housing developments around modified water bodies. Keywords. Cochliopidae, digenea larvae, histology, Buenos Aires, Argentina
Artículo enviado a "Molluscan Research" a la espera de aprobación para su publicación.
Materia
Zoología, Ornitología, Entomología, Etología
Cochliopidae
digenea larvae
Histología
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by-nc-nd/4.0/
Repositorio
CIC Digital (CICBA)
Institución
Comisión de Investigaciones Científicas de la Provincia de Buenos Aires
OAI Identificador
oai:digital.cic.gba.gob.ar:11746/5766

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network_acronym_str CICBA
repository_id_str 9441
network_name_str CIC Digital (CICBA)
spelling Incidence of Digenea larvae in Heleobia parchappii (Mollusca, Gastropoda, Cochliopidae)Martín, Stella MarisNuñez, María VerónicaGutiérrez Gregoric, Diego E.Rumi, AlejandraZoología, Ornitología, Entomología, EtologíaCochliopidaedigenea larvaeHistologíaWe scored the presence of Digenea larvae in the gonadal follicles and digestive glands of males and females of a <em>Heleobia parchappii</em> (d’Orbigny, 1835) (Mollusca, Cochliopidae) population living in an artificial lake located adjacent to an anthropically impacted area, region of Tigre in the Province of Buenos Aires, Argentina; making seven samplings from May 2005 through May 2006. In the laboratory, we separated subsamples for both histology and parasite-emergence assessment. The former examined the gonadal-development stages in relation to larval presence along with the effect of the larvae on the gonadal tissue and calculated parasite prevalence per age and size. Larval prevalence increased with host length and was greater in post-reproductive-stage individuals, with those >7.5 mm long reaching 100% parasitization. That stage became maximal in August, while juveniles predominated in December and January. The females were predominant almost throughout the year, but were parasitized at the same frequency as the males (p=0.38). This year-round <em>H. parchappii</em> parasitization indicates that Digenea can complete their life cycle in an anthropically impacted environment, thus affecting the autochthonous fauna, pets, and even humans. Mollusk parasitization by Digenea larvae is used to evaluate anthropic environmental pressure as an indicator of pollution by wastes, chemicals, or other refuse resulting from the human presence. The study site exemplifies the recent spate of urban construction projects characterized by housing developments around modified water bodies. Keywords. Cochliopidae, digenea larvae, histology, Buenos Aires, ArgentinaArtículo enviado a "Molluscan Research" a la espera de aprobación para su publicación.2017info:eu-repo/semantics/articleinfo:eu-repo/semantics/submittedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttps://digital.cic.gba.gob.ar/handle/11746/5766engBuenos Aires (Argentina)info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-nd/4.0/reponame:CIC Digital (CICBA)instname:Comisión de Investigaciones Científicas de la Provincia de Buenos Airesinstacron:CICBA2025-09-04T09:43:28Zoai:digital.cic.gba.gob.ar:11746/5766Institucionalhttp://digital.cic.gba.gob.arOrganismo científico-tecnológicoNo correspondehttp://digital.cic.gba.gob.ar/oai/snrdmarisa.degiusti@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:94412025-09-04 09:43:29.149CIC Digital (CICBA) - Comisión de Investigaciones Científicas de la Provincia de Buenos Airesfalse
dc.title.none.fl_str_mv Incidence of Digenea larvae in Heleobia parchappii (Mollusca, Gastropoda, Cochliopidae)
title Incidence of Digenea larvae in Heleobia parchappii (Mollusca, Gastropoda, Cochliopidae)
spellingShingle Incidence of Digenea larvae in Heleobia parchappii (Mollusca, Gastropoda, Cochliopidae)
Martín, Stella Maris
Zoología, Ornitología, Entomología, Etología
Cochliopidae
digenea larvae
Histología
title_short Incidence of Digenea larvae in Heleobia parchappii (Mollusca, Gastropoda, Cochliopidae)
title_full Incidence of Digenea larvae in Heleobia parchappii (Mollusca, Gastropoda, Cochliopidae)
title_fullStr Incidence of Digenea larvae in Heleobia parchappii (Mollusca, Gastropoda, Cochliopidae)
title_full_unstemmed Incidence of Digenea larvae in Heleobia parchappii (Mollusca, Gastropoda, Cochliopidae)
title_sort Incidence of Digenea larvae in Heleobia parchappii (Mollusca, Gastropoda, Cochliopidae)
dc.creator.none.fl_str_mv Martín, Stella Maris
Nuñez, María Verónica
Gutiérrez Gregoric, Diego E.
Rumi, Alejandra
author Martín, Stella Maris
author_facet Martín, Stella Maris
Nuñez, María Verónica
Gutiérrez Gregoric, Diego E.
Rumi, Alejandra
author_role author
author2 Nuñez, María Verónica
Gutiérrez Gregoric, Diego E.
Rumi, Alejandra
author2_role author
author
author
dc.subject.none.fl_str_mv Zoología, Ornitología, Entomología, Etología
Cochliopidae
digenea larvae
Histología
topic Zoología, Ornitología, Entomología, Etología
Cochliopidae
digenea larvae
Histología
dc.description.none.fl_txt_mv We scored the presence of Digenea larvae in the gonadal follicles and digestive glands of males and females of a <em>Heleobia parchappii</em> (d’Orbigny, 1835) (Mollusca, Cochliopidae) population living in an artificial lake located adjacent to an anthropically impacted area, region of Tigre in the Province of Buenos Aires, Argentina; making seven samplings from May 2005 through May 2006. In the laboratory, we separated subsamples for both histology and parasite-emergence assessment. The former examined the gonadal-development stages in relation to larval presence along with the effect of the larvae on the gonadal tissue and calculated parasite prevalence per age and size. Larval prevalence increased with host length and was greater in post-reproductive-stage individuals, with those >7.5 mm long reaching 100% parasitization. That stage became maximal in August, while juveniles predominated in December and January. The females were predominant almost throughout the year, but were parasitized at the same frequency as the males (p=0.38). This year-round <em>H. parchappii</em> parasitization indicates that Digenea can complete their life cycle in an anthropically impacted environment, thus affecting the autochthonous fauna, pets, and even humans. Mollusk parasitization by Digenea larvae is used to evaluate anthropic environmental pressure as an indicator of pollution by wastes, chemicals, or other refuse resulting from the human presence. The study site exemplifies the recent spate of urban construction projects characterized by housing developments around modified water bodies. Keywords. Cochliopidae, digenea larvae, histology, Buenos Aires, Argentina
Artículo enviado a "Molluscan Research" a la espera de aprobación para su publicación.
description We scored the presence of Digenea larvae in the gonadal follicles and digestive glands of males and females of a <em>Heleobia parchappii</em> (d’Orbigny, 1835) (Mollusca, Cochliopidae) population living in an artificial lake located adjacent to an anthropically impacted area, region of Tigre in the Province of Buenos Aires, Argentina; making seven samplings from May 2005 through May 2006. In the laboratory, we separated subsamples for both histology and parasite-emergence assessment. The former examined the gonadal-development stages in relation to larval presence along with the effect of the larvae on the gonadal tissue and calculated parasite prevalence per age and size. Larval prevalence increased with host length and was greater in post-reproductive-stage individuals, with those >7.5 mm long reaching 100% parasitization. That stage became maximal in August, while juveniles predominated in December and January. The females were predominant almost throughout the year, but were parasitized at the same frequency as the males (p=0.38). This year-round <em>H. parchappii</em> parasitization indicates that Digenea can complete their life cycle in an anthropically impacted environment, thus affecting the autochthonous fauna, pets, and even humans. Mollusk parasitization by Digenea larvae is used to evaluate anthropic environmental pressure as an indicator of pollution by wastes, chemicals, or other refuse resulting from the human presence. The study site exemplifies the recent spate of urban construction projects characterized by housing developments around modified water bodies. Keywords. Cochliopidae, digenea larvae, histology, Buenos Aires, Argentina
publishDate 2017
dc.date.none.fl_str_mv 2017
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/submittedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str submittedVersion
dc.identifier.none.fl_str_mv https://digital.cic.gba.gob.ar/handle/11746/5766
url https://digital.cic.gba.gob.ar/handle/11746/5766
dc.language.none.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.format.none.fl_str_mv application/pdf
dc.coverage.none.fl_str_mv Buenos Aires (Argentina)
dc.source.none.fl_str_mv reponame:CIC Digital (CICBA)
instname:Comisión de Investigaciones Científicas de la Provincia de Buenos Aires
instacron:CICBA
reponame_str CIC Digital (CICBA)
collection CIC Digital (CICBA)
instname_str Comisión de Investigaciones Científicas de la Provincia de Buenos Aires
instacron_str CICBA
institution CICBA
repository.name.fl_str_mv CIC Digital (CICBA) - Comisión de Investigaciones Científicas de la Provincia de Buenos Aires
repository.mail.fl_str_mv marisa.degiusti@sedici.unlp.edu.ar
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