ArticleGenes2020
Genetic Diversity, Population Structure and Linkage Disequilibrium Assessment among International Sunflower Breeding Collections.
Article in Genes, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Genome-wide assessment of genetic diversity and selective signatures in sunflower (Helianthus annuus L.) using a 10 K SNP array.Scientific reports · 2026Article
- Article
- Genome-Wide, High-Density Genotyping Approaches for Plant Germplasm Characterisation (Methods and Applications).International journal of molecular sciences · 2025Review
- Combining Linkage and Association Mapping Approaches to Study the Genetic Architecture of Verticillium Wilt Resistance in Sunflower.Plants (Basel, Switzerland) · 2025Article
- Dissecting the genetic architecture of sunflower disc diameter using genome-wide association study.Plant direct · 2024Article
- Article
- The CABANA model 2017-2022: research and training synergy to facilitate bioinformatics applications in Latin America.Frontiers in education · 2024Article
- Article
- Article
- Molecular markers-based DNA fingerprinting coupled with morphological diversity analysis for prediction of heterotic grouping in sunflower (Frontiers in plant science · 2022Article
- Combined GWAS and Transcriptome Analyses Provide New Insights Into the Response Mechanisms of Sunflower Against Drought Stress.Frontiers in plant science · 2022Article
- On-field phenotypic evaluation of sunflower populations for broad-spectrum resistance to Verticillium leaf mottle and wilt.Scientific reports · 2021Article
- Gramene 2021: harnessing the power of comparative genomics and pathways for plant research.Nucleic acids research · 2021Article
- Unveiling the genetic basis of Sclerotinia head rot resistance in sunflower.BMC plant biology · 2020Article
- Mitochondrial Genome ofPlants (Basel, Switzerland) · 2020Article
Corrections and comments
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Authors and funding
13 authors.
Funding
Abstract
Sunflower germplasm collections are valuable resources for broadening the genetic base of commercial hybrids and ameliorate the risk of climate events. Nowadays, the most studied worldwide sunflower pre-breeding collections belong to INTA (Argentina), INRA (France), and USDA-UBC (United States of America-Canada). In this work, we assess the amount and distribution of genetic diversity (GD) available within and between these collections to estimate the distribution pattern of global diversity. A mixed genotyping strategy was implemented, by combining proprietary genotyping-by-sequencing data with public whole-genome-sequencing data, to generate an integrative 11,834-common single nucleotide polymorphism matrix including the three breeding collections. In general, the GD estimates obtained were moderate. An analysis of molecular variance provided evidence of population structure between breeding collections. However, the optimal number of subpopulations, studied via discriminant analysis of principal components (K = 12), the bayesian STRUCTURE algorithm (K = 6) and distance-based methods (K = 9) remains unclear, since no single unifying characteristic is apparent for any of the inferred groups. Different overall patterns of linkage disequilibrium (LD) were observed across chromosomes, with Chr10, Chr17, Chr5, and Chr2 showing the highest LD. This work represents the largest and most comprehensive inter-breeding collection analysis of genomic diversity for cultivated sunflower conducted to date.
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