Pré-Publication, Document De Travail Année : 2024

Co-GWAS unveils the genetic architecture of inter-individual epistasis affecting biomass and disease severity in wheat binary mixtures

Résumé

Identifying the genetic determinants underlying plant-plant interactions is key for understanding plant community dynamics, both in natural and agronomical systems. This report unveils the complex genetic architecture of plant-plant interaction effects on aerial biomass and septoria tritici blotch severity in varietal mixtures of wheat, using co-genome-wide association study. Fifty-four signi cant allelic interactions between distinct loci were identi ed, with half involving hub loci. Some inter-individual epistasis might be related to the shade-avoidance syndrome. Our results underscore the critical role of allelic interactions between inter-individual loci in shaping plant phenotypes and community dynamics, offering new perspectives to optimize varietal mixtures.

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DOI

Cite 10.5281/zenodo.13883161 Jeu de données MATHIEU, L. (2024). Co-GWAS unveils the genetic architecture of inter-individual epistasis affecting biomass and disease severity in wheat binary mixtures [Data set]. Zenodo. https://doi.org/10.5281/ZENODO.13883161

Dates et versions

hal-04966935 , version 1 (26-02-2025)

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Laura Mathieu, Germain Montazeaud, Mathilde Delmond, Andy Brousse, Hélène Fréville, et al.. Co-GWAS unveils the genetic architecture of inter-individual epistasis affecting biomass and disease severity in wheat binary mixtures. 2024. ⟨hal-04966935⟩
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