Resequencing of Common Bean Identifies Regions of Inter-Gene Pool Introgression and Provides Comprehensive Resources for Molecular Breeding

The Plant Genome
Juan David LobatonBodo Raatz

Abstract

Common bean ( L.) is the most important grain legume for human consumption and is a major nutrition source in the tropics. Because bean production is reduced by both abiotic and biotic constraints, current breeding efforts are focused on the development of improved varieties with tolerance to these stresses. We characterized materials from different breeding programs spanning three continents to understand their sequence diversity and advance the development of molecular breeding tools. For this, 37 varieties belonging to , (A. Gray), and L. were sequenced by whole-genome sequencing, identifying more than 40 million genomic variants. Evaluation of nuclear DNA content and analysis of copy number variation revealed important differences in genomic content not only between and the two other domesticated species, but also within , affecting hundreds of protein-coding genomic regions. A large number of inter-gene pool introgressions were identified. Furthermore, interspecific introgressions for disease resistance in breeding lines were mapped. Evaluation of newly developed single nucleotide polymorphism markers within previously discovered quantitative trait loci for common bacterial blight and angular leaf spot provides improved sp...Continue Reading

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Citations

Nov 28, 2018·Scientific Reports·Daniel Alfonso UrreaOmar Triana-Chavez
Apr 13, 2019·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Juanita GilBodo Raatz
Apr 13, 2020·Journal of Experimental Botany·Serena VarottoDragana Miladinović
May 14, 2020·International Journal of Molecular Sciences·Cesar Augusto MedinaLong-Xi Yu
Jan 8, 2021·Journal of Plant Physiology·Mahendar ThudiRajeev K Varshney
Jul 1, 2019·Crop Science·Michelle M NayMarcial A Pastor-Corrales
Apr 19, 2021·BMC Plant Biology·Carmen García-FernándezJuan Jose Ferreira
May 1, 2021·Frontiers in Plant Science·Caléo Panhoca de AlmeidaLuciana Lasry Benchimol-Reis
Aug 14, 2021·Journal of Applied Genetics·Jean Fausto de Carvalho PaulinoLuciana Lasry Benchimol-Reis

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