ArticleScientific reports2021
Identification of a novel QTL and candidate gene associated with grain size using chromosome segment substitution lines in rice.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed.
- Article
- Integrative Multi-Omics Approaches for Identifying and Characterizing Biological Elements in Crop Traits: Current Progress and Future Prospects.International journal of molecular sciences · 2025Review
- Mapping of quantitative trait loci for early seed germination using whole-genome resequencing chromosome segment substitution lines of aus Kasalath in the background of japonica Nipponbare.Frontiers in plant science · 2025Article
- Genetic Dissection of Milled Rice Grain Shape by Using a Recombinant Inbred Line Population and Validation ofPlants (Basel, Switzerland) · 2024Article
- A Structure Variation inPlants (Basel, Switzerland) · 2023Article
- Developing Genetic Engineering Techniques for Control of Seed Size and Yield.International journal of molecular sciences · 2022Review
- Insights into the Regulation of Rice Seed Storability by Seed Tissue-Specific Transcriptomic and Metabolic Profiling.Plants (Basel, Switzerland) · 2022Article
- QTL mapping of drought-related traits in the hybrids of Populus deltoides 'Danhong'×Populus simonii 'Tongliao1'.BMC plant biology · 2022Article
- Identification, pyramid, and candidate gene of QTL for yield-related traits based on rice CSSLs inMolecular breeding : new strategies in plant improvement · 2022Article
- Introgression Lines: Valuable Resources for Functional Genomics Research and Breeding in Rice (Frontiers in plant science · 2022Review
- Mapping of QTLs for Yield Traits Using FFrontiers in plant science · 2022Article
- Article
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7 authors.
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Abstract
Rice is one of the staple crops in the world. Grain size is an important determinant of rice grain yield, but the genetic basis of the grain size remains unclear. Here, we report a set of chromosome segment substitution lines (CSSL) developed in the genetic background of the genome-sequenced indica cultivar Zhenshan 97. Genotyping of the CSSLs by single nucleotide polymorphism array shows that most carry only one or two segments introduced from the genome-sequenced japonica cultivar Nipponbare. Using this population and the high-density markers, a total of 43 quantitative trait loci were identified for seven panicle- and grain-related traits. Among these loci, the novel locus qGL11 for grain length and thousand-grain weight was validated in a CSSL-derived segregating population and finely mapped to a 25-kb region that contains an IAA-amido synthetase gene OsGH3.13, This gene exhibited a significant expression difference in the young panicle between the near-isogenic lines that carry the contrasting Zhenshan 97 and Nipponbare alleles at qGL11. Expression and sequence analyses suggest that this gene is the most likely candidate for qGL11. Furthermore, several OsGH3.13 mutants induced by a CRISPR/Cas9 approach in either japonica or indica exhibit an increased grain length and thousand-grain weight, thus enhancing the final grain yield per plant. These findings provide insights into the genetic basis of grain size for the improvement of yield potential in rice breeding programs.
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