ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2006
Fine mapping of a grain weight quantitative trait locus on rice chromosome 8 using near-isogenic lines derived from a cross between Oryza sativa and Oryza rufipogon.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.
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49 citing papers in PubMed, 171 citations in OpenAlex.
- Teosinte-Derived Advanced Backcross Population Harbors Genomic Regions for Grain Yield Attributing Traits in Maize.International journal of molecular sciences · 2024Article
- Fine mapping of interspecific secondary CSSL populations revealed key regulators for grain weight atPhysiology and molecular biology of plants : an international journal of functional plant biology · 2024Article
- 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
- Substitution Mapping and Allelic Variations of the Domestication Genes from O. rufipogon and O. nivara.Rice (New York, N.Y.) · 2023Article
- Identification, Fine Mapping and Application of Quantitative Trait Loci for Grain Shape Using Single-Segment Substitution Lines in Rice (Plants (Basel, Switzerland) · 2023Article
- Genome-Wide Association Study of Rice Grain Shape and Chalkiness in a Worldwide Collection of Xian Accessions.Plants (Basel, Switzerland) · 2023Article
- Utilization of the Winkler scale of plants using big data temperature presented by the Korea Meteorological Administration.Frontiers in plant science · 2023Article
- 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
- Mapping of QTLs for Yield Traits Using FFrontiers in plant science · 2022Article
- High-resolution quantitative trait locus mapping for rice grain quality traits using genotyping by sequencing.Frontiers in plant science · 2022Article
- Genetic background- and environment-independent QTL and candidate gene identification of appearance quality in three MAGIC populations of rice.Frontiers in plant science · 2022Article
- Validating a Major Quantitative Trait Locus and Predicting Candidate Genes Associated With Kernel Width Through QTL Mapping and RNA-Sequencing Technology Using Near-Isogenic Lines in Maize.Frontiers in plant science · 2022Article
- Validation of a QTL for Grain Size and Weight Using an Introgression Line from a Cross between Oryza sativa and Oryza minuta.Rice (New York, N.Y.) · 2021Article
- 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
- QTL Analysis and Fine Mapping of a Major QTL Conferring Kernel Size in Maize (Frontiers in genetics · 2020Article
- Genome-Wide Association Study of Grain Size Traits inFrontiers in plant science · 2020Article
- Novel cis-acting regulatory elements in wild Oryza species impart improved rice bran quality by lowering the expression of phospholipase D alpha1 enzyme (OsPLDα1).Molecular biology reports · 2020Article
- Characterization and fine mapping of qkrnw4, a major QTL controlling kernel row number in maize.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Article
- Application of high-throughput amplicon sequencing-based SSR genotyping in genetic background screening.BMC genomics · 2019Article
- Fine mapping and candidate gene analysis of the quantitative trait locus gw8.1 associated with grain length in rice.Genes & genomics · 2018Article
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A quantitative trait locus (QTL) for grain weight (GW) was detected near SSR marker RM210 on chromosome 8 in backcross populations derived from a cross between the Korean japonica cultivar Hwaseongbyeo and Oryza rufipogon (IRGC 105491). The O. rufipogon allele increased GW in the Hwaseongbyeo background despite the fact that O. rufipogon was the small-seeded parent. Using sister BC(3)F(3) near-isogenic lines (NILs), gw8.1 was validated and mapped to a 6.1 cM region in the interval between RM42 and RM210 (P < or = 0.0001). Substitution mapping with eight BC(3)F(4) sub-NILs further narrowed the interval containing gw8.1 to about 306.4 kb between markers RM23201.CNR151 and RM30000.CNR99. A yield trial using homozygous BC(3)F(4) sister sub-NILs and the Hwaseongbyeo recurrent parent indicated that the NIL carrying an O. rufipogon chromosome segment across the entire gw8.1 target region out-yielded its sister NIL (containing Hwaseongbyeo chromosome in the RM42-RM210 interval) by 9% (P=0.029). The higher-yielding NIL produced 19.3% more grain than the Hwaseongbyeo recurrent parent (P=0.018). Analysis of a BC(3)F(4) NIL indicated that the variation for GW is associated with variation in grain shape, specifically grain length. The locus, gw8.1 is of particular interest because of its independence from undesirable height and grain quality traits. SSR markers tightly linked to the GW QTL will facilitate cloning of the gene underlying this QTL as well as marker-assisted selection for variation in GW in an applied breeding program.
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