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Transcriptome sequencing and microsatellites characterization in pirapitinga Piaractus brachypomus for analysis of genetic variability

Grant number: 14/05732-2
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): June 01, 2014
Effective date (End): February 29, 2016
Field of knowledge:Agronomical Sciences - Fishery Resources and Fishery Engineering - Aquaculture
Acordo de Cooperação: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Diogo Teruo Hashimoto
Grantee:Paulo Henrique Jorge
Host Institution: Centro de Aquicultura (CAUNESP). Universidade Estadual Paulista (UNESP). Campus de Jaboticabal. Jaboticabal , SP, Brazil


The pirapitinga, Piaractus brachypomus (Characiformes, Serrasalmidae), is a fish of occurrence in the Amazon Basin and one of the major native species used for aquaculture production. However, genetic studies focused to this species is practically absent, particularly on genetic variability of cultivated or wild stocks. In this case, the limiting factor to advance these studies is the lack of available molecular markers for P. brachypomus, considered a non-model organism in Aquaculture. Currently, Next-Generation Sequencing (NGS) technologies are causing a revolution in Molecular Biology as they have enabled the discovery of millions of SNPs and microsatellite markers in non-model organisms. This project aims to conduct the transcriptome sequencing of P. brachypomus by NGS and then characterize a set of microsatellite markers for this species. Finally, with the establishment of microsatellites, we intend to analyze broodstocks of pirapitinga cultivated in Brazilian fish farms, in order to identify the genetic profile of these animals and improve the genetic management of production systems. The characterization of molecular markers in P. brachypomus and genetic studies focusing on better knowledge of the genome of cultured broodstocks are considered essential for Aquaculture, especially to provide subsidies for the development of management and breeding programs of this species. (AU)

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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)
JORGE, PAULO H.; MASTROCHIRICO-FILHO, VITO A.; HATA, MILENE E.; MENDES, NATALIA J.; ARIEDE, RAQUEL B.; DE FREITAS, MILENA VIEIRA; VERA, MANUEL; PORTO-FORESTI, FABIO; HASHIMOTO, DIOGO T.. Genetic Characterization of the Fish Piaractus brachypomus by Microsatellites Derived from Transcriptome Sequencing. FRONTIERS IN GENETICS, v. 9, . (14/05732-2, 14/03772-7)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
JORGE, Paulo Henrique. Genetic characterization of the fish Piaractus brachypomus by microsatellites derived from transcriptome sequencing. 2016. Master's Dissertation - Universidade Estadual Paulista (Unesp). Instituto de Biociências. Botucatu Botucatu.

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