ArticleJournal of experimental botany2022
Waxy is an important factor for grain fissure resistance and head rice yield as revealed by a genome-wide association study.
Article in Journal of experimental botany, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 18 citations in OpenAlex.
- A Multi-Gene Matrix for Precision Breeding of Rice Grain Quality.Plants (Basel, Switzerland) · 2026Article
- Differential condensation of FLO6 influences grain amylose synthesis in rice.Science advances · 2026Article
- Water Content Variation Patterns of Fruits During Development and Their Effects on Fleshiness or Dryness for Fruits at Maturity.Plants (Basel, Switzerland) · 2026Article
- The Rice E3 Ubiquitin Ligase Gene OsPUB77 Regulates Head Milled Rice Rate by Affecting Grain Starch Accumulation.Plant biotechnology journal · 2026Article
- OsMYB99 Modulates Grain Wax Biosynthesis and Redox Homeostasis to Control Head Rice Yield and Chalkiness.Plant biotechnology journal · 2026Article
- Determinants of Rice Grain Quality: Synergistic Roles of Genetics, Environment, and Agronomic Practices.International journal of molecular sciences · 2026Review
- Geographic Divergence and Putative Candidate Gene Discovery of Rice Grain Quality in China.Rice (New York, N.Y.) · 2025Article
- Creating a SuperiorFoods (Basel, Switzerland) · 2025Article
- QTN detection and candidate gene identification for improved eating and cooking quality in rice using GWAS and PLS regression analysis.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Improving Rice Grain Quality Through Ecotype Breeding for Enhancing Food and Nutritional Security in Asia-Pacific Region.Rice (New York, N.Y.) · 2024Review
- The elite eating quality alleles WxPlant biotechnology journal · 2024Article
- Genome-Wide Association Study of Starch Properties in Local Thai Rice.Plants (Basel, Switzerland) · 2023Article
- Genetic architecture of head rice and rice chalky grain percentages using genome-wide association studies.Frontiers in plant science · 2023Article
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Authors and funding
5 authors at 1 institution in 1 country.
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Abstract
Head rice yield (HRY) is an essential quality trait, and is sensitive to environmental stresses during the grain-filling, harvest, and postharvest stages. It is therefore important for rice production and global food security to select for superior HRY traits; however, the molecular basis of this trait remains unknown. Using diverse rice germplasm material, we performed a genome-wide association study of grain fissure resistance (GFR), the phenotype most associated with HRY, and found that the granule-bound starch synthase I gene Waxy is an important gene controlling GFR. Analysis of near-isogenic lines demonstrated that genetic variations in Waxy conferred different levels of tolerance to fissuring in grains. The null allele wx resulted in the highest GFR, while alleles that increased amylose synthesis reduced GFR. Increases in amylose content led to increases in the ratio of the widths of the amorphous layer to the semi-crystalline layer of the starch granules, and also to increased occurrence of chalkiness. The layer structure determined GFR by affecting the degree of swelling of granules in response to moisture, and chalkiness acted as an accelerator of moisture infiltration to rapidly increase the number of swelling granules. Our study reveals the molecular basis of GFR and HRY, thus opening the door for further understanding of the molecular networks of GFR and HRY.
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