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Study of the genetic control of late darkening and tegument color in beans of the carioca type

Grant number: 18/20992-1
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): March 01, 2019
Effective date (End): February 29, 2020
Field of knowledge:Agronomical Sciences - Agronomy - Crop Science
Principal researcher:Luciana Lasry Benchimol-Reis
Grantee:Cassia Cristina Augusto Pereira
Home Institution: Instituto Agronômico (IAC). Agência Paulista de Tecnologia dos Agronegócios (APTA). Secretaria de Agricultura e Abastecimento (São Paulo - Estado). Campinas , SP, Brazil

Abstract

Common bean (Phaseolus vulgaris L.) is an economically important crop both for domestic consumption and for export. As the yield of this crop is still very low, alternatives are sought to obtain more productive cultivars. The carioca commercial group has great demand in the market and the knowledge of the genetic variability that regulates the coloring of grains and the darkening of the same among the different cultivars is of great importance. This is because the early darkening of beans of the carioca type triggers a rejection by the consumers and for this reason; there is a decay of its commercial value. In this context, the objective of this work will be to genotype two Bulks with microsatellites in the search for polymorphism, one bulk being composed of genotypes of clear tegument and another of dark tegument, and the other of genotypes of fast darkening and genotypes of slow darkening. When polymorphic, these markers will be analyzed in the set of 150 "carioca" panel genotypes and will be incorporated via associative mapping along with the SNPs (Process FAPESP 2017/24711-4). It is expected that this study will provide genetic evidence of the relationship between grain coloring and accelerated darkening of carioca-type tegument grains and possible candidate genes associated with these characteristics for molecular marker assisted selection.

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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)
DE ALMEIDA, CALEO PANHOCA; SANTOS, ISABELLA LAPORTE; DE CARVALHO PAULINO, JEAN FAUSTO; FERRARI BARBOSA, CAIO CESAR; AUGUSTO PEREIRA, CASSIA CRISTINA; LIMONTA CARVALHO, CASSIA REGINA; CUNHA GONCALVES, GABRIEL DE MORAES; SONG, QIJIAN; MORAIS CARBONELL, SERGIO AUGUSTO; CHIORATO, ALISSON FERNANDO; et al. Genome-wide association mapping reveals new loci associated with light-colored seed coat at harvest and slow darkening in carioca beans. BMC PLANT BIOLOGY, v. 21, n. 1, . (18/20992-1, 17/24711-4, 19/19670-2)
ALMEIDA, CALEO PANHOCA DE; DE CARVALHO PAULINO, JEAN FAUSTO; BONFANTE, GABRIEL FRANCESCO JANINI; PERSEGUINI, JULIANA MORINI KUPPER CARDOSO; SANTOS, ISABELLA LAPORTE; GONCALVES, JOAO GUILHERME RIBEIRO; PATRICIO, FLAVIA RODRIGUES ALVES; TANIGUTI, CRISTIANE HAYUMI; GESTEIRA, GABRIEL DE SIQUEIRA; GARCIA, ANTONIO AUGUSTO FRANCO; et al. Angular Leaf Spot Resistance Loci Associated With Different Plant Growth Stages in Common Bean. FRONTIERS IN PLANT SCIENCE, v. 12, . (14/11145-2, 19/19670-2, 17/01753-3, 18/15526-1, 17/24711-4, 14/08280-5, 18/20992-1)

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