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Detection of genes of agronomic interest and involved in heterosis in Urochloa spp.

Grant number: 18/19219-6
Support Opportunities:Scholarships in Brazil - Post-Doctorate
Effective date (Start): December 01, 2018
Effective date (End): January 31, 2023
Field of knowledge:Agronomical Sciences - Agronomy - Crop Science
Principal Investigator:Anete Pereira de Souza
Grantee:Rebecca Caroline Ulbricht Ferreira
Host Institution: Centro de Biologia Molecular e Engenharia Genética (CBMEG). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated scholarship(s):19/25183-7 - Integrative analysis to identify genes and biological processes associated with heterotic traits in Urochloa species, BE.EP.PD

Abstract

The Urochloa genus (synonymy Brachiaria) comprises predominantly poliploid and apomictic forage grasses, which are the basis for the production of beef and dairy cattle in Brazil. Despite the great economic importance, knowledge about the regulation of gene expression involved in the control of traits of agronomic and commercial interest in these species, such as apomixis and spittlebug resistance, as well as the molecular mechanisms that determine heterosis, are null. Thus, the objective of the present work is to compare the leaves transcripts of the cultivar Ipyporã and their parents, aiming to contribute to the genetic-genomic knowledge of the Urochloa genus. The comparative analysis of the transcriptomes will allow the identification of shared and exclusive transcripts and metabolic pathways, locos and/or genes involved in relevant agronomic traits, as well as functional molecular markers. In parallel, the molecular bases of heterosis present in the cultivar under study will be investigated, from which molecular markers unique to fingerprinting will also be identified. This information will be unpublished and important for the design of molecular strategies in tropical polyploid forage breeding programs, as well as support the Brazilian beef livestock sector to meet current and future demands.

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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)
MARTINS, FELIPE BITENCOURT; MORAES, ALINE COSTA LIMA; AONO, ALEXANDRE HILD; FERREIRA, REBECCA CAROLINE ULBRICHT; CHIARI, LUCIMARA; SIMEAO, ROSANGELA MARIA; BARRIOS, SANZIO CARVALHO LIMA; SANTOS, MATEUS FIGUEIREDO; JANK, LIANA; DO VALLE, CACILDA BORGES; et al. Semi-Automated SNP-Based Approach for Contaminant Identification in Biparental Polyploid Populations of Tropical Forage Grasse. FRONTIERS IN PLANT SCIENCE, v. 12, . (18/19219-6, 19/03232-6)
ULBRICHT FERREIRA, REBECCA CAROLINE; DE CASTRO LARA, LETICIA APARECIDA; CHIARI, LUCIMARA; LIMA BARRIOS, SANZIO CARVALHO; DO VALLE, CACILDA BORGES; VALERIO, JOSE RAUL; VILELA TORRES, FABRICIA ZIMERMANN; FRANCO GARCIA, ANTONIO AUGUSTO; DE SOUZA, ANETE PEREIRA. Genetic Mapping With Allele Dosage Information in Tetraploid Urochloa decumbens (Stapf) R. D. Webster Reveals Insights Into Spittlebug (Notozulia entreriana Berg) Resistance. FRONTIERS IN PLANT SCIENCE, v. 10, . (08/52197-4, 18/19219-6)

Please report errors in scientific publications list by writing to: cdi@fapesp.br.