Scholarship 12/18961-4 - Embriogênese, Reprodução - BV FAPESP
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Reproductive aspects, morphology of gametes and embryonic development of Astyanax altiparanae Garutti & Britski (Teleostei, Characidae)

Grant number: 12/18961-4
Support Opportunities:Scholarships in Brazil - Master
Start date until: June 01, 2013
End date until: February 28, 2014
Field of knowledge:Agronomical Sciences - Veterinary Medicine - Animal Reproduction
Principal Investigator:Laura Satiko Okada Nakaghi
Grantee:Matheus Pereira dos Santos
Host Institution: Centro de Aquicultura (CAUNESP). Universidade Estadual Paulista (UNESP). Campus de Jaboticabal. Jaboticabal , SP, Brazil
Associated research grant:10/17429-1 - Chimerism in native fish species as a tool for surrogate propagation in aquaculture, AP.JP

Abstract

The tetra (Astyanax altiparanae) is a species commercially recognized and widely accepted in the market. Due to some features of its biology and reproduction, such as the fact that they have intermittent spawning, easier management, disease resistance and adaptability to various farming systems, is presenting itself as an interesting model for the creation of a scientific technological package which aims to establish parameters for breeding, rearing, genetic manipulation and induction of polyploidy in fish. However, so that we can successfully reach these goals, it is necessary to have prior knowledge and extremely detailed about their reproductive biology, embryonic development and the environmental factors that condition as well as the morphological patterns that species present during the early stages of life. These basic skills are essential for future studies on chromosome manipulation of the species, since the induction of polyploidy is only successful at the exact moment they occur certain stages of embryogenesis. This project proposes to carry out a detailed morphological description of the early stages of embryonic development of this species, also testing the influence of three different temperatures on the speed and feasibility of embryogenesis.

News published in Agência FAPESP Newsletter about the scholarship:
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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
PEREIRA-SANTOS, MATHEUS; SHIMODA, EDUARDO; CESAR DE ANDRADE, ANDRE FURUGEN; SILVA, LUCIANO ANDRADE; FUJIMOTO, TAKAFUMI; SENHORINI, JOSE AUGUSTO; YASUI, GEORGE SHIGUEKI; OKADA NAKAGHI, LAURA SATIKO. Grooves surrounding the micropyle decrease the inseminating dose in fish. ZYGOTE, v. 25, n. 6, p. 731-739, . (12/18961-4, 10/17429-1, 11/11664-1)
DOS SANTOS, MATHEUS PEREIRA; YASUI, GEORGE SHIGUEKI; PORFIRIO XAVIER, PEDRO LUIZ; DE MACEDO ADAMOV, NADYA SOARES; DO NASCIMENTO, NIVALDO FERREIRA; FUJIMOTO, TAKAFUMI; SENHORINI, JOSE AUGUSTO; OKADA NAKAGHI, LAURA SATIKO. Morphology of gametes, post-fertilization events and the effect of temperature on the embryonic development of Astyanax altiparanae (Teleostei, Characidae). ZYGOTE, v. 24, n. 6, p. 795-807, . (12/18961-4, 10/17429-1)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SANTOS, Matheus Pereira dos. Aspectos reprodutivos, morfologia dos gametas e desenvolvimento embrionário de Astyanax altiparanae Garutti & Britski (Teleostei, Characidae). 2014. Master's Dissertation - Universidade Estadual Paulista (Unesp). Faculdade de Ciências Agrárias e Veterinárias. Jaboticabal Jaboticabal.

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