ArticleProceedings of the National Academy of Sciences of the United States of America2002
An improved genetic model generates high-resolution mapping of QTL for protein quality in maize endosperm.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed.
- Dissecting the genetic architecture of polygenic nutritional traits in maize through meta-QTL analysis.Food chemistry. Molecular sciences · 2025Article
- Multiomics approach reveals a role of translational machinery in shaping maize kernel amino acid composition.Plant physiology · 2022Article
- Marker-assisted pyramiding of lycopene-ε-cyclase, β-carotene hydroxylase1 and opaque2 genes for development of biofortified maize hybrids.Scientific reports · 2021Article
- Genetic enhancement of essential amino acids for nutritional enrichment of maize protein quality through marker assisted selection.Physiology and molecular biology of plants : an international journal of functional plant biology · 2020Article
- Development of Biofortified Maize Hybrids through Marker-Assisted Stacking of βFrontiers in plant science · 2018Article
- Mapping complex traits as a dynamic system.Physics of life reviews · 2015Review
- Article
- Mixed linear model approach for mapping quantitative trait loci underlying crop seed traits.Heredity · 2014Article
- A statistical model for estimating maternal-zygotic interactions and parent-of-origin effects of QTLs for seed development.PloS one · 2008Article
- Identification of quantitative trait loci that affect endoreduplication in maize endosperm.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2007Article
- Article
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6 authors.
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Abstract
The genetic mapping of polymorphic markers in a cross between two inbred plant lines has proven to be a powerful method for detecting quantitative trait loci (QTL) underlying complex traits. However, existing methods of QTL mapping were developed for disomic inheritance of both marker and QTL loci in a diploid population. To map QTL influencing traits expressed in the endosperm, a triploid embryo-nourishing tissue resulting from double fertilization, existing QTL mapping models require modification to consider the trisomic inheritance of the endosperm and the generation difference between the mapping population and the endosperm. Such a model requires simultaneous use of two successive generations, which theoretically can lead to an increase in resolution for QTL mapping compared with the use of a single backcross or F(2) generation. Using a newly developed model based on these considerations, we demonstrate the improved resolution of QTL, influencing protein quality traits in maize endosperm. The increased resolution made possible with this approach makes identified QTL accessible to positional cloning.
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