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dc.contributor.author
Cardozo Milanesio, Gabriela Alejandra
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dc.contributor.author
Pilastro, Andrea
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dc.date.available
2019-11-27T17:40:08Z
dc.date.issued
2018-05-30
dc.identifier.citation
Cardozo Milanesio, Gabriela Alejandra; Pilastro, Andrea; Female nutritional condition affects ovarian fluid quality in guppies; The Royal Society; Biology Letters; 14; 5; 30-5-2018; 1-4
dc.identifier.issn
1744-9561
dc.identifier.uri
http://hdl.handle.net/11336/90666
dc.description.abstract
Male and female gametes are often embedded in fluids that are produced by gonads and other reproductive tissues. Female reproductive fluids, usually called ovarian fluid (OF), which often constitute a relevant volumetric component of the egg mass, are rich in ions, sugars and proteins, and are involved in several functions, from protecting gametes to facilitating fertilization, and often act as mediators of post-mating sexual selection. Despite their applied and evolutionary importance, we know virtually nothing about the costs of female reproductive fluid production. We investigated the effect of nutritional condition on OF quality by experimentally manipulating the diet of two groups of female guppies (Poecilia reticulata) which were maintained for 20 days either on a restricted diet or had ad libitum access to food. In this species, OF enhances sperm swimming longevity and velocity (a predictor of sperm competition success) and mediates post-copulatory inbreeding avoidance. We found that sperm velocity was significantly lower in the OF of diet-restricted females, indicating that OF quality is dependent on female nutritional condition. Our results demonstrate that OF represents a non-trivial component of female reproductive investment and provides a tool to investigate which OF constituents are involved in modulating OF–sperm interactions and fertilization.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
The Royal Society
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
COMPUTER-ASSISTED SPERM ANALYSIS
dc.subject
POST-COPULATORY SEXUAL SELECTION
dc.subject
REPRODUCTION
dc.subject
SPERM VELOCITY
dc.subject
SPERM–FEMALE INTERACTION
dc.subject.classification
Biología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Female nutritional condition affects ovarian fluid quality in guppies
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-10-16T14:31:17Z
dc.identifier.eissn
1744-957X
dc.journal.volume
14
dc.journal.number
5
dc.journal.pagination
1-4
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Cardozo Milanesio, Gabriela Alejandra. Universita Di Padova. Dipartimento Di Biología; Italia. 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: Pilastro, Andrea. Universita Di Padova. Dipartimento Di Biología; Italia
dc.journal.title
Biology Letters
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://rsbl.royalsocietypublishing.org/lookup/doi/10.1098/rsbl.2018.0122
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1098/rsbl.2018.0122
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