ArticleFrontiers in plant science2015
Association mapping for kernel phytosterol content in almond.
Article in Frontiers in plant science, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 27 citations in OpenAlex.
- Unlocking almond breeding for nutritional composition with hyperspectral imaging.Plant phenomics (Washington, D.C.) · 2026Article
- QTL mapping of almond kernel quality traits in the FFrontiers in plant science · 2024Article
- Genetic characterization of an almond germplasm collection and volatilome profiling of raw and roasted kernels.Horticulture research · 2021Article
- Genome wide association study of 5 agronomic traits in olive (Olea europaea L.).Scientific reports · 2019Article
- Identification of genetic loci associated with crude protein and mineral concentrations in alfalfa (Medicago sativa) using association mapping.BMC plant biology · 2017Article
- Genetic diversity, population structure and association analysis in linseed (Physiology and molecular biology of plants : an international journal of functional plant biology · 2017Article
- Article
- A review of the impact of processing on nutrient bioaccessibility and digestion of almonds.International journal of food science & technology · 2016Review
- Article
- Application of Genomic Technologies to the Breeding of Trees.Frontiers in genetics · 2016Review
- Association Mapping for Fiber-Related Traits and Digestibility in Alfalfa (Medicago sativa).Frontiers in plant science · 2016Article
- Genome-Wide Association Analysis of the Anthocyanin and Carotenoid Contents of Rose Petals.Frontiers in plant science · 2016Article
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Almond kernels are a rich source of phytosterols, which are important compounds for human nutrition. The genetic control of phytosterol content has not yet been documented in almond. Association mapping (AM), also known as linkage disequilibrium (LD), was applied to an almond germplasm collection in order to provide new insight into the genetic control of total and individual sterol contents in kernels. Population structure analysis grouped the accessions into two principal groups, the Mediterranean and the non-Mediterranean. There was a strong subpopulation structure with LD decaying with increasing genetic distance, resulting in lower levels of LD between more distant markers. A significant impact of population structure on LD in the almond cultivar groups was observed. The mean r(2) -value for all intra-chromosomal loci pairs was 0.040, whereas, the r(2) for the inter-chromosomal loci pairs was 0.036. For analysis of association between the markers and phenotypic traits five models were tested. The mixed linear model (MLM) approach using co-ancestry values from population structure and kinship estimates (K model) as covariates identified a maximum of 13 significant associations. Most of the associations found appeared to map within the interval where many candidate genes involved in the sterol biosynthesis pathway are predicted in the peach genome. These findings provide a valuable foundation for quality gene identification and molecular marker assisted breeding in almond.
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