ArticleHorticulture research2021
Almond diversity and homozygosity define structure, kinship, inbreeding, and linkage disequilibrium in cultivated germplasm, and reveal genomic associations with nut and seed weight.
Article in Horticulture research, 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.
- An unexploited almond biodiversity in central Italy: Genetic characterization and conservation strategies using molecular markers.iScience · 2026Article
- Population Genomics of Almond (Prunus dulcis) Reveals Region-Specific Selection and a Complex History of Domestication.Molecular ecology · 2026Article
- Multi-trait evaluation of almond germplasm using the MGIDI method: optimizing yield and nutritional quality.Scientific reports · 2026Article
- Whole-genome sequencing and phenotyping of neglected and underutilized vegetable melons from the Salento diversity centre (Southern Italy).Frontiers in plant science · 2025Article
- Article
- Deleterious phenotypes in wild Arabidopsis arenosa populations are common and linked to runs of homozygosity.G3 (Bethesda, Md.) · 2024Article
- Exploring the wild almond,Tree genetics & genomes · 2024Article
- Explainable artificial intelligence for genotype-to-phenotype prediction in plant breeding: a case study with a dataset from an almond germplasm collection.Frontiers in plant science · 2024Article
- QTL mapping of almond kernel quality traits in the FFrontiers in plant science · 2024Article
- Almond population genomics and non-additive GWAS reveal new insights into almond dissemination history and candidate genes for nut traits and blooming time.Horticulture research · 2023Article
- Genetic diversity, population structure, and genome-wide association analysis of ginkgo cultivars.Horticulture research · 2023Article
- Development and Evaluation of an AxiomPlants (Basel, Switzerland) · 2023Article
- Identification of runs of homozygosity in Western honey bees (Ecology and evolution · 2023Article
- Detection and distribution of two dominant alleles associated with the sweet kernel phenotype in almond cultivated germplasm.Frontiers in plant science · 2023Article
- Genotyping-by-Sequencing Defines Genetic Structure within the "Acquaviva" Red Onion Landrace.Plants (Basel, Switzerland) · 2022Article
- The Relevance of Discovering and Recovering the Biodiversity of Apulian Almond Germplasm by Means of Molecular and Phenotypic Markers.Plants (Basel, Switzerland) · 2022Article
- Interaction of gibberellin and other hormones in almond anthers: phenotypic and physiological changes and transcriptomic reprogramming.Horticulture research · 2021Article
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Authors and funding
11 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Almond [Prunus dulcis Miller (D.A. Webb)] is the main tree nut species worldwide. Here, genotyping-by-sequencing (GBS) was applied to 149 almond cultivars from the ex situ collections of the Italian Council for Agricultural Research (CREA) and the Spanish National Research Council (CSIC), leading to the detection of 93,119 single-nucleotide polymorphisms (SNPs). The study of population structure outlined four distinct genetic groups and highlighted diversification between the Mediterranean and Californian gene pools. Data on SNP diversity and runs of homozygosity (ROHs) allowed the definition of kinship, inbreeding, and linkage disequilibrium (LD) decay in almond cultivated germplasm. Four-year phenotypic observations, gathered on 98 cultivars of the CREA collection, were used to perform a genome-wide association study (GWAS) and, for the first time in a crop species, homozygosity mapping (HM), resulting in the identification of genomic associations with nut, shell, and seed weight. Both GWAS and HM suggested that loci controlling nut and seed weight are mostly independent. Overall, this study provides insights on the almond cultivation history and delivers information of major interest for almond genetics and breeding. In a broader perspective, our results encourage the use of ROHs in crop science to estimate inbreeding, choose parental combinations minimizing the risk of inbreeding depression, and identify genomic footprints of selection for specific traits.
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