ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2021
Population genomics of Mediterranean oat (A. sativa) reveals high genetic diversity and three loci for heading date.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 26 citations in OpenAlex.
- Unveiling the interactions between design optimization, modeling strategies, and spatial analysis in genomic selection.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Uncovering the genetic architecture of biomass yield and related traits in Southern US oat germplasm using genome-wide association study.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Exploring Nutritional Quality and Bioactive Compounds in Oat Mediterranean Landraces and Cultivars.Antioxidants (Basel, Switzerland) · 2026Article
- Morpho-biochemical diversity and phytochemical profiling of Rubus fruticosus L. landraces.PloS one · 2026Article
- Global genomic population structure of wild and cultivated oat reveals signatures of chromosome rearrangements.Nature communications · 2025Article
- Genome-wide association studies reveal genetic control of nutritional quality, milling traits, and agronomic characteristics in oat (Avena sativa L.).The plant genome · 2025Article
- A global assembly of landrace oat (Avena sativa L.) accessions is a discovery resource for adaptive variation, association mapping, and trait deployment.G3 (Bethesda, Md.) · 2025Article
- Maximizing the accuracy of genetic variance estimation and using a novel generalized effective sample size to improve simulations.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Integration of machine learning and genome-wide association study to explore the genomic prediction accuracy of agronomic trait in oats (Avena sativa L.).The plant genome · 2025Article
- Optimizing fully-efficient two-stage models for genomic selection using open-source software.Plant methods · 2025Article
- Genome-wide association for multiple quantitative traits in forage oat germplasm based on specific length amplified fragment sequencing.Frontiers in plant science · 2025Article
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- Genomic prediction and training set optimization in a structured Mediterranean oat population.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Population genomics of Mediterranean oat (A. sativa) reveals high genetic diversity and three loci for heading date.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Deciphering Main Climate and Edaphic Components Driving Oat Adaptation to Mediterranean Environments.Frontiers in plant science · 2021Article
- Phytoglobin Scavenging of Nitric Oxide Is Associated With Ethylene Reduction and Drought Tolerance in Oat (Avena sativa).Physiologia plantarumArticle
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Authors and funding
8 authors at 3 institutions in 3 countries.
Funding
Abstract
key messageGenomic analysis of Mediterranean oats reveals high genetic diversity and three loci for adaptation to this environment. This information together with phenotyping and passport data, gathered in an interactive map, will be a vital resource for oat genetic improvement. During the twentieth century, oat landraces have increasingly been replaced by modern cultivars, resulting in loss of genetic diversity. However, landraces have considerable potential to improve disease and abiotic stress tolerance and may outperform cultivars under low input systems. In this work, we assembled a panel of 669 oat landraces from Mediterranean rim and 40 cultivated oat varieties and performed the first large-scale population genetic analysis of both red and white oat types of Mediterranean origin. We created a public database associated with an interactive map to visualize information for each accession. The oat collection was genotyped with 17,288 single-nucleotide polymorphism (SNP) loci to evaluate population structure and linkage disequilibrium (LD); to perform a genome-wide association study (GWAs) for heading date, a key character closely correlated with performance in this drought-prone area. Population genetic analysis using both structure and PCA distinguished two main groups composed of the red and white oats, respectively. The white oat group was further divided into two subgroups. LD decay was slower within white lines in linkage groups Mrg01, 02, 04, 12, 13, 15, 23, 33, whereas it was slower within red lines in Mrg03, 05, 06, 11, 21, 24, and 28. Association analysis showed several significant markers associated with heading date on linkage group Mrg13 in white oats and on Mrg01 and Mrg08 in red oats.
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