ArticleRice (New York, N.Y.)2016
QTL Mapping of Grain Quality Traits Using Introgression Lines Carrying Oryza rufipogon Chromosome Segments in Japonica Rice.
Article in Rice (New York, N.Y.), 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 54 citations in OpenAlex.
- Novel chromosome segment substitution lines derived fromBreeding science · 2025Article
- OsCKq1 Regulates Heading Date and Grain Weight in Rice in Response to Day Length.Rice (New York, N.Y.) · 2024Article
- OsCRLK2, a Receptor-Like Kinase Identified by QTL Analysis, is Involved in the Regulation of Rice Quality.Rice (New York, N.Y.) · 2024Article
- 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
- Meta-QTL and haplo-pheno analysis reveal superior haplotype combinations associated with low grain chalkiness under high temperature in rice.Frontiers in plant science · 2023Article
- Detection of QTLs Regulating Six Agronomic Traits of Rice Based on Chromosome Segment Substitution Lines of Common Wild Rice (Biomolecules · 2022Article
- Identification of QTL under Brassinosteroid-Combined Cold Treatment at Seedling Stage in Rice Using Genotyping-by-Sequencing (GBS).Plants (Basel, Switzerland) · 2022Article
- Mapping combined with principal component analysis identifies excellent lines with increased rice quality.Scientific reports · 2022Article
- Introgression Lines: Valuable Resources for Functional Genomics Research and Breeding in Rice (Frontiers in plant science · 2022Review
- Brassinosteroid biosynthesis geneFrontiers in plant science · 2022Article
- Natural variation in rice ascorbate peroxidase gene APX9 is associated with a yield-enhancing QTL cluster.Journal of experimental botany · 2021Article
- 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
- Characterization of a New qLTG3-1 Allele for Low-temperature Germinability in Rice from the Wild Species Oryza rufipogon.Rice (New York, N.Y.) · 2020Article
- Genome-Wide Identification of QTLs for Grain Protein Content Based on Genotyping-by-Resequencing and Verification ofInternational journal of molecular sciences · 2020Article
- Pleiotropic Effects of Rice Florigen GeneFrontiers in genetics · 2020Article
- Improving the Glossiness of Cooked Rice, an Important Component of Visual Rice Grain Quality.Rice (New York, N.Y.) · 2019Article
- Genome-wide and gene-based association mapping for rice eating and cooking characteristics and protein content.Scientific reports · 2017Article
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12 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundImproved eating quality is a major breeding target in japonica rice due to market demand. Consequently, quantitative trait loci (QTL) for glossiness of cooked rice and amylose content associated with eating quality have received much research focus because of their importance in rice quality.
resultsIn this study, QTL associated with 12 grain quality traits were identified using 96 introgression lines (IL) of rice developed from an interspecific cross between the Korean elite O. sativa japonica cultivar 'Hwaseong' and O. rufipogon over 7 years. QTL analyses indicated that QTL qDTH6 for heading date, detected on chromosome 6 is associated with variance in grain traits. Most QTLs detected in this study clustered near the qDTH6 locus on chromosome 6, suggesting the effect of qDTH6. O. rufipogon alleles negatively affected grain quality traits except for a few QTLs, including qGCR9 for glossiness of cooked rice on chromosome 9. To characterize the effect of the O. rufipogon locus harboring qGCR9, four lines with a single but different O. rufipogon segment near qGCR9 were compared to Hwaseong. Three lines (O. rufipopgon ILs) having O. rufipogon segment between RM242 and RM245 in common showed higher glossiness of cooked rice than Hwaseong and the other line (Hwaseong IL), indicating that qGCR9 is located in the 3.4-Mb region between RM242 and RM245. Higher glossiness of cooked rice conferred by the O. rufipogon allele might be associated with protein content considering that three lines had lower protein content than Hwaseong (P < 0.1). These three O. rufipogon ILs showed higher yield than Hwaseong and Hwaseong IL due to increase in spikelets per panicle and grain weight indicating the linkage of qGCR9 and yield component QTLs.
conclusionThe qGCR9 locus is of particular interest because of its independence from other undesirable grain quality traits in O. rufipogon. SSR markers linked to qGCR9 can be used to develop high-quality japonica lines and offer a starting point for map-based cloning of genes underlying this trait. To our knowledge, this is the first report to map a beneficial QTL for glossiness of cooked rice from a wild rice, O. rufipogon.
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