17 documents found, page 1 of 2
Gonadal morphology and difference in reproductive development of two isolated p...
Quirino, Patricia Postingel [UNESP]; de Siqueira-Silva, Diógenes Henrique; da Silva Rodrigues, Maira [UNESP]; dos Santos-Silva, Amanda PereiraMade available in DSpace on 2022-04-28T19:44:01Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-01-01; Individuals of the same species may present different reproductive tactics depending on the environment in which they develop and mature. The present study aimed to define the gonadal development phases of males and females of Astyanax rivularis and to carry out a comparative analysis of the reproductiv...
Female sex inversion as a reason for an unbalanced sex ratio in the neotropical...
Quirino, Patricia Postingel [UNESP]; Delgado, Maria Luiza Ribeiro [UNESP]; Gomes-Silva, Luciane [UNESP]; Benevente, Cristiane Fernanda [UNESP]Made available in DSpace on 2022-04-29T08:37:10Z (GMT). No. of bitstreams: 0 Previous issue date: 2022-04-01; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); The objective of this study was to temporally identify sex differentiation to morphologically characterize the formation of female and male germinal epithelium and verify ...
Seminal characteristics and sensitivity of astyanax lacustris (Characiformes: C...
Carneiro-Leite, Laicia [UNESP]; Bashiyo-Silva, Cristiane; Oliveira, Yasmim Alves Araújo [UNESP]; Borges, Laís Pedroso [UNESP]Made available in DSpace on 2021-06-25T10:13:11Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-01-01. Added 1 bitstream(s) on 2021-07-15T15:22:33Z : No. of bitstreams: 1 S1679-62252020000300214.pdf: 1139316 bytes, checksum: 1aed48a18cbb7213ff8a493fcc4f052a (MD5); Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); This study aimed to determine the semen characteristics of Astyanax lacustris a...
Comparative post-hatching ontogeny of Pseudoplatystoma reticulatum (Eigenmann &...
Coelho, Geovanna Carla Zacheo [UNESP]; da Silva Costa, Raphael [UNESP]; Porto-Foresti, Fábio [UNESP]; Verissimo-Silveira, Rosicleire [UNESP]Made available in DSpace on 2021-06-25T10:51:55Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-06-01; Ontogenetic studies of the eggs and larvae of fish can provide information on the initial life history and biology of a species, are important for taxonomic and evolutionary studies, and for cultivation in captivity. The aim of this study was to analyze and describe the main morphological differences in...
Sperm Lipid Composition in Early Diverged Fish Species: Internal vs. External M...
Engel, Kathrin M.; Dzyuba, Viktoriya; Ninhaus-Silveira, Alexandre [UNESP]; Verissimo-Silveira, Rosicleire [UNESP]; Dannenberger, Dirk; Schiller, JuergenMade available in DSpace on 2020-12-10T19:54:18Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-02-01; Czech Science Foundation; Ministry of Education, Youth and Sports of the Czech Republic-project CENAKVA; project Biodiversity; Grant Agency of the University of South Bohemia in Ceske Budejovice; German Research Foundation; The lipid composition of sperm membranes is crucial for fertilization and differ...
Sperm antioxidant system in ocellate river stingrayPotamotrygon motoroat transi...
Dzyuba, Viktoriya; Ninhaus-Silveira, Alexandre [UNESP]; Verissimo-Silveira, Rosicleire [UNESP]; Rodina, Marek; Dzyuba, BorysMade available in DSpace on 2020-12-10T20:05:30Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-07-16; Czech Science Foundation; Ministry of Education, Youth and Sports of the Czech Republic-project CENAKVA; project Biodiversity; Grant Agency of the University of South Bohemia in Ceske Budejovice; The importance of reactive oxygen species and the antioxidant system in sperm biology has been recognized fo...
The influence of increased water temperature on the duration of spermatogenesis...
Postingel Quirino, Patricia [UNESP]; da Silva Rodrigues, Maira [UNESP]; da Silva Cabral, Elis Marina [UNESP]; de Siqueira-Silva, Diógenes HenriqueMade available in DSpace on 2020-12-12T02:21:44Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-01-01; In view of the established climate change scenario and the consequent changes in global temperature, it is essential to study its effects on animal spermatogenesis. Therefore, the aim of this study was to verify the duration of spermatogenesis at different temperatures. For this purpose, 96 male and adu...
Preliminary study on testicular germ cell isolation and transplantation in an e...
de Siqueira-Silva, Diógenes Henrique [UNESP]; dos Santos Silva, Amanda Pereira [UNESP]; da Silva Costa, Raphael [UNESP]; Senhorini, José AugustoMade available in DSpace on 2019-10-06T16:26:16Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-01-01; We aimed to develop a simplified protocol for transplantation of Brycon orbignyanus spermatogonial stem cells (SSCs) into Astyanax altiparanae testes. Brycon orbignyanus testes were enzymatically digested and SSC purified by a discontinuous density gradient. Endogenous spermatogenesis was suppressed in ...
Sperm motility and lipid composition in internally fertilizing ocellate river s...
Dzyuba, Viktoriya; Sampels, Sabine; Ninhaus-Silveira, Alexandre [UNESP]; Kahanec, Martin; Verissimo-Silveira, Rosicleire [UNESP]; Rodina, MarekMade available in DSpace on 2019-10-04T12:37:44Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-05-01; Czech Science Foundation; Ministry of Education, Youth and Sports of the Czech Republic -project CENAKVA; project Biodiversity (Reproductive and genetic procedures for preserving fish biodiversity and aquaculture); All extant groups of Elasmobranches have internal fertilization and the structure of the ...
Effects of cryoprotectants and low temperatures on hatching and abnormal embryo...
Costa, Raphael S. [UNESP]; Souza, Fabricio M. S. de [UNESP]; Senhorini, Jose A.; Verissimo-Silveira, Rosicleire [UNESP]Made available in DSpace on 2018-11-26T17:40:22Z (GMT). No. of bitstreams: 0 Previous issue date: 2017-01-01. Added 1 bitstream(s) on 2019-10-09T18:27:00Z : No. of bitstreams: 1 S1679-62252017000300201.pdf: 4413737 bytes, checksum: 6ffeb72ff22cd93d62cda2a4aba45079 (MD5); Centro Nacional de Pesquisa e Conservacao de Peixes Continentais - CEPTA/ICMBIO; Conselho Nacional de Desenvolvimento Científico e Tecnológico...