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Association between SNP Markers and 11 Vitamin Contents in Grains of a Worldwide Bread Wheat Core Collection

Abstract : The metabolomic profiling analyses of 11 vitamins' statuses of wheat grain in a subsample of 167 accessions from the INRAE worldwide bread wheat core collection planted in two contrasting environments in France (Le Moulon and Clermont-Ferrand) have been evaluated using a high-throughput liquid chromatography-tandem mass spectrometry (LC-MS/MS) procedure. This has allowed us to perform a genome-wide association study (GWAS) for these nutritional traits of interest combining the phenotypic data with the genotypic data derived from the TaBW280K SNP chip. Considering both thresholds (P < 0.0003 and R2 ≥ 8%), the GWAS identified between 1 and 22 marker-trait associations (MTAs) for the individual vitamins at the individual locations, and 12 SNP markers were stable and associated with vitamin contents across two environments. Desirable alleles and superior genotypes identified in the current analysis provide novel genetic data that can be used for future research on the genetics of vitamins and their application in wheat breeding.
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https://hal.inrae.fr/hal-03198094
Contributor : Nathalie Bernard <>
Submitted on : Wednesday, April 14, 2021 - 3:05:31 PM
Last modification on : Friday, April 30, 2021 - 4:34:05 PM

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Eric Nurit, Jacques Bordes, François Balfourier, Etienne Paux, Agnès Piquet, et al.. Association between SNP Markers and 11 Vitamin Contents in Grains of a Worldwide Bread Wheat Core Collection. Journal of Agricultural and Food Chemistry, American Chemical Society, 2021, 69 (14), pp.4307-4318. ⟨10.1021/acs.jafc.0c07763⟩. ⟨hal-03198094⟩

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