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Bioinformatics applied to miRNAs in fish species.

Grant number: 17/15708-0
Support type:Scholarships abroad - Research Internship - Post-doctor
Effective date (Start): October 01, 2017
Effective date (End): March 31, 2018
Field of knowledge:Agronomical Sciences - Fishery Resources and Fishery Engineering - Aquaculture
Principal researcher:Maeli Dal Pai
Grantee:Bruno Evaristo de Almeida Fantinatti
Supervisor abroad: Michela Alessandra Denti
Home Institution: Instituto de Biociências (IBB). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil
Research place: Universitá degli Studi di Trento, Italy  
Associated to the scholarship:15/19985-2 - Integrative microRNAome analysis of muscle tissue of Colossoma macropomum (tambaqui), Piaractus mesopotamicus (pacu) and the hybrid, tambacu., BP.PD


The species Colossoma macropomum (tambaqui) and Piaractus mesopotamicus (pacu) are good species for meat market, and present important characteristics for production, as fast growing and good adaptation to feeding variation. Such species has similarities related to eating habits but present variation in therms of growing temperature. Individuals originated by hybridization between such species, the tambacu, present a good adaptation to temperatures around 20°C (a pacu's characteristic) and can reach a weight similar to tambaqui. Such characteristics has become the tambacu as a good choice for production. MicroRNAs are small RNA molecules capable to post-transcriptionally control the gene expression. Such microRNAs can be used to analyze growing factors responsible for the development of both species. Based on new sequencing technologies, large scale analyzis of such elements became an important tool on the characterization of such small molecules, to analyze the role of microRNA over the post-transcriptional control of genes and to predict signaling pathways involved on cell processes through network analysis. Fish muscle tissue represents an important protein source. In such way, this project aims to analyze microRNA data of fast muscle (white) of youth specimens of the species tambaqui, pacu and the hybrid tambacu, directed to transcriptional profile of microRNAs involved with muscle growing. Such analyzis can contribute to a better knowledge related to these small molecules on the expression control of genes related to muscle growth that is shared by the three genotypes, and to the identification of molecular markers related to muscle growth.

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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)
FANTINATTI, BRUNO E. A.; PEREZ, ERIKA S.; ZANELLA, BRUNA T. T.; VALENTE, JESSICA S.; DE PAULA, TASSIANA G.; MARECO, EDSON A.; CARVALHO, ROBSON F.; PIAZZA, SILVANO; DENTI, MICHELA A.; DAL-PAI-SILVA, MAELI. Integrative microRNAome analysis of skeletal muscle of Colossoma macropomum (tambaqui), Piaractus mesopotamicus (pacu), and the hybrid tambacu, based on next-generation sequencing data. BMC Genomics, v. 22, n. 1 APR 6 2021. Web of Science Citations: 0.

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