Self-fertilization depression in an introduced population of the land snail Rumina decollata (Linnaeus 1758)

Autores
Piza, Julia
Año de publicación
2021
Idioma
inglés
Tipo de recurso
documento de conferencia
Estado
versión publicada
Descripción
Rumina decollata is a hermaphroditic terrestrial gastropod native to the Mediterranean region and introduced in many countries of the world. In Argentina, this species was first recorded in the 1980s. Although the current distribution is restricted to urban and peri-urban areas, it is expanding fast and is likely that it will colonize natural environments where it could affect native biodiversity and agriculture. Its high resistance to extreme climatic conditions and its omnivorous diet, together with its reproductive characteristics, favours the colonization of different environments. R. decollate has a high reproductive potential and facultative self-fertilization. The aim of this ongoing work is to study self-fertilization and its effect on fecundity (number of eggs per hatch) and fertility (proportion of eggs hatched) over two generations in an introduced population in Argentina. The parent generation (PG) consisted of 80 juveniles kept isolated until natural death. The 100% of the snails laid eggs by self-fertilization proving the high prevalence of this mode of reproduction in this species. In the F1 generation, 80 hatchlings from self-fertilization of the PG were randomly selected and assigned to different reproductive treatments: T1 (Forced self-fertilization: 40 isolated snails) and T2 (Self or cross-fertilization: 40 snails kept in pairs). The number of eggs per hatch and the proportion of eggs that hatched was significantly lower in the second generation of forced selfing (F1) than in PG. Considering F1, the number of eggs per hatch did not differ between reproductive treatments but the hatching proportion was significantly lower in forced self-fertilizers. The results obtained show evidence of self-fertilization depression in this species. Therefore, cross-fertilization may play a more important role than expected. Improving the knowledge of the biology and reproduction in R. decollata is crucial to determine its potential as an invasive species and to develop accurate control strategies.
Fil: Piza, Julia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina
Euromal 2021 9th European Congress of Malacological Societies, Prague
Praga
República Checa
Czech University of Life Sciences
Materia
Self-fertilization
Cross-fertilization
Inbreeding depression
Reproduction
Invasion potential
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/258682

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spelling Self-fertilization depression in an introduced population of the land snail Rumina decollata (Linnaeus 1758)Piza, JuliaSelf-fertilizationCross-fertilizationInbreeding depressionReproductionInvasion potentialhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Rumina decollata is a hermaphroditic terrestrial gastropod native to the Mediterranean region and introduced in many countries of the world. In Argentina, this species was first recorded in the 1980s. Although the current distribution is restricted to urban and peri-urban areas, it is expanding fast and is likely that it will colonize natural environments where it could affect native biodiversity and agriculture. Its high resistance to extreme climatic conditions and its omnivorous diet, together with its reproductive characteristics, favours the colonization of different environments. R. decollate has a high reproductive potential and facultative self-fertilization. The aim of this ongoing work is to study self-fertilization and its effect on fecundity (number of eggs per hatch) and fertility (proportion of eggs hatched) over two generations in an introduced population in Argentina. The parent generation (PG) consisted of 80 juveniles kept isolated until natural death. The 100% of the snails laid eggs by self-fertilization proving the high prevalence of this mode of reproduction in this species. In the F1 generation, 80 hatchlings from self-fertilization of the PG were randomly selected and assigned to different reproductive treatments: T1 (Forced self-fertilization: 40 isolated snails) and T2 (Self or cross-fertilization: 40 snails kept in pairs). The number of eggs per hatch and the proportion of eggs that hatched was significantly lower in the second generation of forced selfing (F1) than in PG. Considering F1, the number of eggs per hatch did not differ between reproductive treatments but the hatching proportion was significantly lower in forced self-fertilizers. The results obtained show evidence of self-fertilization depression in this species. Therefore, cross-fertilization may play a more important role than expected. Improving the knowledge of the biology and reproduction in R. decollata is crucial to determine its potential as an invasive species and to develop accurate control strategies.Fil: Piza, Julia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; ArgentinaEuromal 2021 9th European Congress of Malacological Societies, PraguePragaRepública ChecaCzech University of Life SciencesCzech University of Life Sciences2021info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjectCongresoBookhttp://purl.org/coar/resource_type/c_5794info:ar-repo/semantics/documentoDeConferenciaapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/258682Self-fertilization depression in an introduced population of the land snail Rumina decollata (Linnaeus 1758); Euromal 2021 9th European Congress of Malacological Societies, Prague; Praga; República Checa; 2021; 182-182CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.euromal.cz/wp-content/uploads/2021/08/ABSTRACTS_Draft_31-08-2021-1.pdfInternacionalinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:35:54Zoai:ri.conicet.gov.ar:11336/258682instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:35:54.601CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Self-fertilization depression in an introduced population of the land snail Rumina decollata (Linnaeus 1758)
title Self-fertilization depression in an introduced population of the land snail Rumina decollata (Linnaeus 1758)
spellingShingle Self-fertilization depression in an introduced population of the land snail Rumina decollata (Linnaeus 1758)
Piza, Julia
Self-fertilization
Cross-fertilization
Inbreeding depression
Reproduction
Invasion potential
title_short Self-fertilization depression in an introduced population of the land snail Rumina decollata (Linnaeus 1758)
title_full Self-fertilization depression in an introduced population of the land snail Rumina decollata (Linnaeus 1758)
title_fullStr Self-fertilization depression in an introduced population of the land snail Rumina decollata (Linnaeus 1758)
title_full_unstemmed Self-fertilization depression in an introduced population of the land snail Rumina decollata (Linnaeus 1758)
title_sort Self-fertilization depression in an introduced population of the land snail Rumina decollata (Linnaeus 1758)
dc.creator.none.fl_str_mv Piza, Julia
author Piza, Julia
author_facet Piza, Julia
author_role author
dc.subject.none.fl_str_mv Self-fertilization
Cross-fertilization
Inbreeding depression
Reproduction
Invasion potential
topic Self-fertilization
Cross-fertilization
Inbreeding depression
Reproduction
Invasion potential
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Rumina decollata is a hermaphroditic terrestrial gastropod native to the Mediterranean region and introduced in many countries of the world. In Argentina, this species was first recorded in the 1980s. Although the current distribution is restricted to urban and peri-urban areas, it is expanding fast and is likely that it will colonize natural environments where it could affect native biodiversity and agriculture. Its high resistance to extreme climatic conditions and its omnivorous diet, together with its reproductive characteristics, favours the colonization of different environments. R. decollate has a high reproductive potential and facultative self-fertilization. The aim of this ongoing work is to study self-fertilization and its effect on fecundity (number of eggs per hatch) and fertility (proportion of eggs hatched) over two generations in an introduced population in Argentina. The parent generation (PG) consisted of 80 juveniles kept isolated until natural death. The 100% of the snails laid eggs by self-fertilization proving the high prevalence of this mode of reproduction in this species. In the F1 generation, 80 hatchlings from self-fertilization of the PG were randomly selected and assigned to different reproductive treatments: T1 (Forced self-fertilization: 40 isolated snails) and T2 (Self or cross-fertilization: 40 snails kept in pairs). The number of eggs per hatch and the proportion of eggs that hatched was significantly lower in the second generation of forced selfing (F1) than in PG. Considering F1, the number of eggs per hatch did not differ between reproductive treatments but the hatching proportion was significantly lower in forced self-fertilizers. The results obtained show evidence of self-fertilization depression in this species. Therefore, cross-fertilization may play a more important role than expected. Improving the knowledge of the biology and reproduction in R. decollata is crucial to determine its potential as an invasive species and to develop accurate control strategies.
Fil: Piza, Julia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina
Euromal 2021 9th European Congress of Malacological Societies, Prague
Praga
República Checa
Czech University of Life Sciences
description Rumina decollata is a hermaphroditic terrestrial gastropod native to the Mediterranean region and introduced in many countries of the world. In Argentina, this species was first recorded in the 1980s. Although the current distribution is restricted to urban and peri-urban areas, it is expanding fast and is likely that it will colonize natural environments where it could affect native biodiversity and agriculture. Its high resistance to extreme climatic conditions and its omnivorous diet, together with its reproductive characteristics, favours the colonization of different environments. R. decollate has a high reproductive potential and facultative self-fertilization. The aim of this ongoing work is to study self-fertilization and its effect on fecundity (number of eggs per hatch) and fertility (proportion of eggs hatched) over two generations in an introduced population in Argentina. The parent generation (PG) consisted of 80 juveniles kept isolated until natural death. The 100% of the snails laid eggs by self-fertilization proving the high prevalence of this mode of reproduction in this species. In the F1 generation, 80 hatchlings from self-fertilization of the PG were randomly selected and assigned to different reproductive treatments: T1 (Forced self-fertilization: 40 isolated snails) and T2 (Self or cross-fertilization: 40 snails kept in pairs). The number of eggs per hatch and the proportion of eggs that hatched was significantly lower in the second generation of forced selfing (F1) than in PG. Considering F1, the number of eggs per hatch did not differ between reproductive treatments but the hatching proportion was significantly lower in forced self-fertilizers. The results obtained show evidence of self-fertilization depression in this species. Therefore, cross-fertilization may play a more important role than expected. Improving the knowledge of the biology and reproduction in R. decollata is crucial to determine its potential as an invasive species and to develop accurate control strategies.
publishDate 2021
dc.date.none.fl_str_mv 2021
dc.type.none.fl_str_mv info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/conferenceObject
Congreso
Book
http://purl.org/coar/resource_type/c_5794
info:ar-repo/semantics/documentoDeConferencia
status_str publishedVersion
format conferenceObject
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/258682
Self-fertilization depression in an introduced population of the land snail Rumina decollata (Linnaeus 1758); Euromal 2021 9th European Congress of Malacological Societies, Prague; Praga; República Checa; 2021; 182-182
CONICET Digital
CONICET
url http://hdl.handle.net/11336/258682
identifier_str_mv Self-fertilization depression in an introduced population of the land snail Rumina decollata (Linnaeus 1758); Euromal 2021 9th European Congress of Malacological Societies, Prague; Praga; República Checa; 2021; 182-182
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.euromal.cz/wp-content/uploads/2021/08/ABSTRACTS_Draft_31-08-2021-1.pdf
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
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application/pdf
dc.coverage.none.fl_str_mv Internacional
dc.publisher.none.fl_str_mv Czech University of Life Sciences
publisher.none.fl_str_mv Czech University of Life Sciences
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
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