ArticleThe plant genome2020
Natural variation for carotenoids in fresh kernels is controlled by uncommon variants in sweet corn.
Article in The plant genome, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 47 citations in OpenAlex.
- Genetic dissection of southern corn leaf blight resistance in sweet corn through genome-wide association studies and genomic selection.The plant genome · 2026Article
- Genome-Wide Association Studies of Agronomic and Yield Traits in Sweet Corn (Plants (Basel, Switzerland) · 2026Article
- Genetic Dissection of Carotenoid Variation by Integrating Quantitative Trait Loci Mapping and Candidate Region Association Study in Sweet Corn.Plants (Basel, Switzerland) · 2025Article
- Gene expression through comparative transcriptome analysis unravels the molecular mechanisms of fertilizer-induced hormonal regulation and leaf senescence in maize for enhanced yield in semiarid regions.BMC plant biology · 2025Article
- Characterization of volatile metabolites in temperate and tropical sweet corn cultivars under various post-harvest storage conditions.Food chemistry: X · 2024Article
- Investigating genomic prediction strategies for grain carotenoid traits in a tropical/subtropical maize panel.G3 (Bethesda, Md.) · 2024Article
- Unveiling the sweetness: evaluating yield and quality attributes of early generation sweet corn (Zea mays subsp. sachharata) inbred lines through morphological, biochemical and marker-based approaches.Molecular biology reports · 2024Article
- The Combining Ability and Heterosis Analysis of Sweet-Waxy Corn Hybrids for Yield-Related Traits and Carotenoids.Plants (Basel, Switzerland) · 2024Article
- Leveraging prior biological knowledge improves prediction of tocochromanols in maize grain.The plant genome · 2023Article
- QT-GWAS: A novel method for unveiling biosynthetic loci affecting qualitative metabolic traits.Molecular plant · 2023Article
- Integrated metabolite analysis and health-relevantFrontiers in nutrition · 2023Article
- Biofortification to avoid malnutrition in humans in a changing climate: Enhancing micronutrient bioavailability in seed, tuber, and storage roots.Frontiers in plant science · 2023Review
- Transcriptome-wide association and prediction for carotenoids and tocochromanols in fresh sweet corn kernels.The plant genome · 2022Article
- Plant carotenoids: recent advances and future perspectives.Molecular horticulture · 2022Review
- A genome-wide association study of folates in sweet corn kernels.Frontiers in plant science · 2022Article
- Article
- Allelic variation in sugary1 gene affecting kernel sweetness among diverse-mutant and -wild-type maize inbreds.Molecular genetics and genomics : MGG · 2021Article
- Genome-wide association study suggests an independent genetic basis of zinc and cadmium concentrations in fresh sweet corn kernels.G3 (Bethesda, Md.) · 2021Article
- The utility of metabolomics as a tool to inform maize biology.Plant communications · 2021Review
- Expression analysis of3 Biotech · 2021Article
Corrections and comments
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Authors and funding
10 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sweet corn (Zea mays L.) is highly consumed in the United States, but does not make major contributions to the daily intake of carotenoids (provitamin A carotenoids, lutein and zeaxanthin) that would help in the prevention of health complications. A genome-wide association study of seven kernel carotenoids and twelve derivative traits was conducted in a sweet corn inbred line association panel ranging from light to dark yellow in endosperm color to elucidate the genetic basis of carotenoid levels in fresh kernels. In agreement with earlier studies of maize kernels at maturity, we detected an association of β-carotene hydroxylase (crtRB1) with β-carotene concentration and lycopene epsilon cyclase (lcyE) with the ratio of flux between the α- and β-carotene branches in the carotenoid biosynthetic pathway. Additionally, we found that 5% or less of the evaluated inbred lines possessing the shrunken2 (sh2) endosperm mutation had the most favorable lycE allele or crtRB1 haplotype for elevating β-branch carotenoids (β-carotene and zeaxanthin) or β-carotene, respectively. Genomic prediction models with genome-wide markers obtained moderately high predictive abilities for the carotenoid traits, especially lutein, and outperformed models with less markers that targeted candidate genes implicated in the synthesis, retention, and/or genetic control of kernel carotenoids. Taken together, our results constitute an important step toward increasing carotenoids in fresh sweet corn kernels.
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