ArticleGenetics2008
Quantitative trait loci (QTL) analysis for rice grain width and fine mapping of an identified QTL allele gw-5 in a recombination hotspot region on chromosome 5.
Article in Genetics, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers.
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Who cites it
54 citing papers in PubMed.
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- Allelopathic Molecular Mechanisms of the Two Main Allelochemicals in Sweet Potato.Current issues in molecular biology · 2024Article
- Molecular mechanisms controlling grain size and weight and their biotechnological breeding applications in maize and other cereal crops.Journal of advanced research · 2024Review
- When Size Matters: New Insights on How Seed Size Can Contribute to the Early Stages of Plant Development.Plants (Basel, Switzerland) · 2024Review
- Discovering New QTNs and Candidate Genes Associated with Rice-Grain-Related Traits within a Collection of Northeast Core Set and Rice Landraces.Plants (Basel, Switzerland) · 2024Article
- Joint analysis of phenotype-effect-generation identifies loci associated with grain quality traits in rice hybrids.Nature communications · 2023Article
- Identification of Potential QTLs Related to Grain Size in Rice.Plants (Basel, Switzerland) · 2023Article
- Molecular mapping and characterization of QTLs for grain quality traits in a RIL population of US rice under high nighttime temperature stress.Scientific reports · 2023Article
- A Systemic Investigation of Genetic Architecture and Gene Resources Controlling Kernel Size-Related Traits in Maize.International journal of molecular sciences · 2023Article
- Fine Mapping ofInternational journal of molecular sciences · 2022Article
- Genotyping-by-Sequencing Based Investigation of Population Structure and Genome Wide Association Studies for Seven Agronomically Important Traits in a Set of 346 Oryza rufipogon Accessions.Rice (New York, N.Y.) · 2022Article
- Identification of QTLs for rice grain size and weight by high-throughput SNP markers in the IR64 x Sadri population.Frontiers in genetics · 2022Article
- Estimation of genetic variance contributed by a quantitative trait locus: correcting the bias associated with significance tests.Genetics · 2021Article
- Effects of Grain Shape Genes Editing on Appearance Quality of Erect-Panicle Geng/Japonica Rice.Rice (New York, N.Y.) · 2021Article
- Development of Chromosome Segment Substitution Lines (CSSLs) Derived from Guangxi Wild Rice (Genes · 2020Article
- Marker-assisted selection for grain number and yield-related traits of rice (Physiology and molecular biology of plants : an international journal of functional plant biology · 2020Review
- Article
- Genome-Wide Association Study of Grain Size Traits inFrontiers in plant science · 2020Article
- Rice quality: How is it defined by consumers, industry, food scientists, and geneticists?Trends in food science & technology · 2019Review
Corrections and comments
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rice grain width and shape play a crucial role in determining grain quality and yield. The genetic basis of rice grain width was dissected into six additive quantitative trait loci (QTL) and 11 pairs of epistatic QTL using an F(7) recombinant inbred line (RIL) population derived from a single cross between Asominori (japonica) and IR24 (indica). QTL by environment interactions were evaluated in four environments. Chromosome segment substitution lines (CSSLs) harboring the six additive effect QTL were used to evaluate gene action across eight environments. A major, stable QTL, qGW-5, consistently decreased rice grain width in both the Asominori/IR24 RIL and CSSL populations with the genetic background Asominori. By investigating the distorted segregation of phenotypic values of rice grain width and genotypes of molecular markers in BC(4)F(2) and BC(4)F(3) populations, qGW-5 was dissected into a single recessive gene, gw-5, which controlled both grain width and length-width ratio. gw-5 was narrowed down to a 49.7-kb genomic region with high recombination frequencies on chromosome 5 using 6781 BC(4)F(2) individuals and 10 newly developed simple sequence repeat markers. Our results provide a basis for map-based cloning of the gw-5 gene and for marker-aided gene/QTL pyramiding in rice quality breeding.
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