Results 181 to 190 of about 2,443 (197)

Genomes of the Orestias pupfish from the Andean Altiplano shed light on their evolutionary history and phylogenetic relationships within Cyprinodontiformes. [PDF]

BMC Genomics
Morales P, Gajardo F, Valdivieso C, Valladares MA, Di Genova A, Orellana A, Gutiérrez RA, González M, Montecino M, Maass A, Méndez MA, Allende ML.   +11 more
europepmc   +1 more source

Fish, southernmost record of Astyanax pampa (Ostariophysi, Characiformes, Characidae) [PDF]

, 2008
Pérez, C. H.F.
core  

Gonadal Development and Differentiation of Hybrid F₁ Line of Ctenopharyngodon idella (♀) × Squaliobarbus curriculus (♂). [PDF]

Int J Mol Sci
Liu Q, Hu S, Tang X, Wang C, Yang L, Xiao T, Xu B.   +6 more
europepmc   +1 more source

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Odontesthes bonariensis

2023
Published as part of Saravia, Alejandro Nicolás, Mettola, Víctor Ezequiel, Aguilera, Gastón, Cano, Paula Daniela & Terán, Guillermo Enrique, 2023, Do we know what we are conserving? Fishes from Parque Nacional Aconquija, Tucumán, Northwestern Argentina, pp.
Saravia, Alejandro Nicolás, Mettola, Víctor Ezequiel, Aguilera, Gastón, Cano, Paula Daniela, Terán, Guillermo Enrique   +4 more
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Androgen synthesis in the silverside Odontesthes bonariensis

2008
Though it is generally accepted that steroids are able to affect the sex ratio in many teleost species, the role of androgens in the sex determination/differentiation process in fish species with temperature-dependent sex determination systems (TSD) has not been established.
Blasco, Martín, Somoza, Gustavo M., Vizziano, Denise   +2 more
openaire   +1 more source

Sex differentiation and hormonal feminization in pejerrey Odontesthes bonariensis

Aquaculture, 1996
Abstract An investigation was conducted on the histological process of gonadal sex differentiation and the suitability of steroid hormone administration for sex control in pejerrey, Odontesthes bonariensis . Light histological examination of the gonads of larvae and juvenile fish revealed that the primordial gonads were already formed at hatching ...
Carlos Augusto Strüssmann, Fumio Takashima, Kunio Toda   +2 more
openaire   +1 more source

Dmrt1 expression analysis during spermatogenesis in pejerrey, Odontesthes bonariensis

Fish Physiology and Biochemistry, 2006
Dmrt1, a putative transcription factor with a DM-binding motif (called the DM domain), is generally considered to be exclusively expressed in testicular tissue, except in some teleost species where it has also been demonstrated to be expressed at the ovary.
J. I. Fernandino, L. G. Guilgur, G. M. Somoza   +2 more
openaire   +1 more source

Atrazine alters early sexual development of the South American silverside, Odontesthes bonariensis

Aquatic Toxicology, 2023
Atrazine (ATZ) is a frequent contaminant in freshwater ecosystems within agricultural regions. The capacity of this herbicide to interfere with the vertebrate endocrine system is broadly recognized, but the mechanisms and responses usually differ among species. In this study, ATZ effects on hypothalamus-pituitary-gonadal (HPG) axis key genes expression
Carriquiriborde, Pedro, Fernandino, Juan Ignacio, López, Carina G., de San Benito, Eduardo José, Gutierrez Villagomez, Juan Manuel, Cristos, Diego Sebastián, Trudeau, Vance L., Somoza, Gustavo Manuel   +7 more
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Pejerrey Odontesthes bonariensis

2017
Pejerrey Odontesthes bonariensis was reared in the recirculation system for 1 year. The system consisted of two particle-trap equipped octagonal tanks (0.75 m3) for the rapid collection of feces and uneaten feed, a mechanical filter, a UV unit, a biological filter which provided nitrification, and a hollow-fiber oxygen injection system.
openaire   +1 more source

Cooling of pejerrey Odontesthes bonariensis (Teleostei, Atherinidae) embryos at sub-zero temperatures

Theriogenology, 2020
Pejerrey fish (Odontesthes bonariensis) is a seasonal multiple spawner with great economic importance and an adequate species for Aquaculture. For these reasons, it is necessary to apply biotechnologies to optimize its reproduction in captivity. In this context, the aim of this work was to develop a cooling protocol for pejerrey embryos at sub-zero ...
Macoretta, Christian Leandro, Miranda, Leandro Andres   +1 more
openaire   +3 more sources