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dc.contributor.author
Vrech, David Eduardo
dc.contributor.author
Nime, Mónica Fernanda
dc.contributor.author
Mattoni, Camilo Ivan
dc.contributor.author
Peretti, Alfredo Vicente
dc.date.available
2018-08-21T18:16:34Z
dc.date.issued
2016-03
dc.identifier.citation
Vrech, David Eduardo; Nime, Mónica Fernanda; Mattoni, Camilo Ivan; Peretti, Alfredo Vicente; Intra-male sperm variability: Is there heteromorphism in scorpions (Arachnida, Scorpiones)?; Elsevier Gmbh; Zoologischer Anzeiger; 261; 3-2016; 12-21
dc.identifier.issn
0044-5231
dc.identifier.uri
http://hdl.handle.net/11336/56376
dc.description.abstract
There is a natural range of variation in sperm morphology inside males. This variation may be adaptive or a result of poor quality control of sperm production. Sperm aggregates can also show different morphologies inside ejaculates. Preliminary analyses in scorpions suggest the existence of a sperm package morphological variation. It is unclear if this is a true polymorphism. The main purpose of this analysis is to evaluate polymorphism in sperm packages of scorpions. Some species from the order showed width variation or spatial variation that was associated to the number of folds. Some ejaculates of Bothriurus bonariensis and Brachistosternus ferrugineus males showed width dimorphism, but may be related to the natural variation of sperm width. However, sperm packages in B. ferrugineus showed lower counts of spermatozoa and the apparition of these sperm packages seemed to increase at the beginning of the reproductive season in one of the species. A marked width dimorphism of sperm packages appeared inside ejaculates of Caraboctonus keyserlingi. The adaptive significance of sperm package differences is not well understood. Differences in width may be a consequence of sperm package production errors, resulting in sperm packages with fewer spermatozoa. Sperm package polymorphism in C. keyserlingi may be linked to sperm competition risk and may be associated to other characters and strategies. Alternative hypotheses to the pattern found are further analyzed and discussed within a sexual selection framework.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Gmbh
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Bothriuridae
dc.subject
Reproductive Strategies
dc.subject
Sexual Selection
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Sperm Bundles
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Sperm Competition
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Sperm Count
dc.subject.classification
Otras Ciencias Biológicas
dc.subject.classification
Ciencias Biológicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Intra-male sperm variability: Is there heteromorphism in scorpions (Arachnida, Scorpiones)?
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-08-15T13:58:33Z
dc.journal.volume
261
dc.journal.pagination
12-21
dc.journal.pais
Alemania
dc.description.fil
Fil: Vrech, David Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Diversidad y Ecología Animal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto de Diversidad y Ecología Animal; Argentina
dc.description.fil
Fil: Nime, Mónica Fernanda. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Instituto Multidisciplinar de Biología Vegetal (P). Grupo Vinculado Centro de Relevamiento y Evaluación de Recursos Agrícolas y Naturales; Argentina
dc.description.fil
Fil: Mattoni, Camilo Ivan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Diversidad y Ecología Animal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto de Diversidad y Ecología Animal; Argentina
dc.description.fil
Fil: Peretti, Alfredo Vicente. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Diversidad y Ecología Animal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto de Diversidad y Ecología Animal; Argentina
dc.journal.title
Zoologischer Anzeiger
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0044523115300176
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/ttp:///dx.doi.org/10.1016/j.jcz.2015.11.002
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