Sperm quality of spontaneously occurring gynogenetic males in the yellowtail tetra Astyanax altiparanae

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorChico Mendes Institute of Biodiversity Conservation-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUnidade Acadêmica de Serra Talhada-
Autor(es): dc.creatorLázaro, Talita Maria-
Autor(es): dc.creatorRocha, Nathalia Raissa de Alcântara-
Autor(es): dc.creatorMonzani, Paulo Sérgio-
Autor(es): dc.creatorNakaghi, Laura Satiko Okada-
Autor(es): dc.creatorSenhorini, José Augusto-
Autor(es): dc.creatorYasui, George Shigueki-
Autor(es): dc.creatorNascimento, Nivaldo Ferreira do-
Data de aceite: dc.date.accessioned2025-08-21T16:39:35Z-
Data de disponibilização: dc.date.available2025-08-21T16:39:35Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2020-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1111/jai.14244-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/229174-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/229174-
Descrição: dc.descriptionGynogenesis is a chromosomal manipulation technique where an offspring is generated exclusively from maternal inheritance. In the yellowtail tetra (Astyanax altiparanae) almost all gynogenetic fish were females, suggesting a genetic sex determination system of XX/XY. However, due to environmental (e.g. temperature) or unknown genetic factors, the rise of males are described. Therefore, the aim of this study was to analyze the reproductive parameters of spontaneously gynogenetic males. The parameters analyzed were spermatozoon viability, motility and ploidy. Additionally, the gonads were processed for histology and the genetic inheritance confirmed by genotyping. Sperm parameters of gynogenetic males did not show differences when compared with semen of normal males. These data supports that gynogenetic males presents fertilization capacity and can be used for future studies of chromosome manipulation or possible production of monosex populations in A. altiparanae.-
Descrição: dc.descriptionLaboratory of Fish Biotechnology National Center for Research and Conservation of Continental Fish Chico Mendes Institute of Biodiversity Conservation-
Descrição: dc.descriptionAquaculture Center Sao Paulo State University-
Descrição: dc.descriptionUniversidade Federal Rural de Pernambuco (UFRPE) Unidade Acadêmica de Serra Talhada-
Descrição: dc.descriptionAquaculture Center Sao Paulo State University-
Idioma: dc.languageen-
Relação: dc.relationJournal of Applied Ichthyology-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectchromosome manipulation-
Palavras-chave: dc.subjectgynogenesis-
Palavras-chave: dc.subjectspermatic analysis-
Título: dc.titleSperm quality of spontaneously occurring gynogenetic males in the yellowtail tetra Astyanax altiparanae-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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