ArticleRice (New York, N.Y.)2021
Fine mapping of two grain chalkiness QTLs sensitive to high temperature in rice.
Article in Rice (New York, N.Y.), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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29 citing papers in PubMed, 63 citations in OpenAlex.
- Integrating molecular networks and physiological adaptation for heat-resilient crops.Journal of integrative plant biology · 2026Review
- Rice sucrose transporter 1,Plant biotechnology (Tokyo, Japan) · 2025Article
- Functional Analysis of the Autophagy-Related GenePlants (Basel, Switzerland) · 2025Article
- RNA-seq Analysis of the Mechanisms Underlying Chalky Grain and Characterization of Two IAA Receptor Proteins OsAFB3 and OsAFB5 in Chalkiness Formation in Oryza sativa.Rice (New York, N.Y.) · 2025Article
- Allelic Variation of Hd17 for Rice Heading Date is Caused by Natural Selection.Rice (New York, N.Y.) · 2025Article
- Identifying Heat Adaptability QTLs and Candidate Genes for Grain Appearance Quality at the Flowering Stage in Rice.Rice (New York, N.Y.) · 2025Article
- Improvement of the outcrossing ability of CMS lines by pyramiding QTLs for SER.Molecular breeding : new strategies in plant improvement · 2025Article
- Regulation of Rice Grain Quality by Exogenous Kinetin During Grain-Filling Period.Plants (Basel, Switzerland) · 2025Article
- The LCG1-OsBP5/OsEBP89-Wx module regulates the grain chalkiness and taste quality in rice.Plant biotechnology journal · 2025Article
- Genetic dissection of QTL for important agronomic traits and fine-mapping of qGL4 and qGW6 based on a short-width grain rice CSSL-Z691.Frontiers in plant science · 2025Article
- Identification of quantitative trait loci for yield traits and fine-mapping ofFrontiers in plant science · 2025Article
- An Integrative Analysis of the Transcriptome and Proteome of Rice Grain Chalkiness Formation Under High Temperature.Plants (Basel, Switzerland) · 2024Article
- Natural variation of WBR7 confers rice high yield and quality by modulating sucrose supply in sink organs.Plant biotechnology journal · 2024Article
- Article
- Pyramiding of Low Chalkiness QTLs Is an Effective Way to Reduce Rice Chalkiness.Rice (New York, N.Y.) · 2024Article
- Development of Single-Segment Substitution Lines and Fine-Mapping ofInternational journal of molecular sciences · 2023Article
- qGLF5 from Oryza rufipogon Griff. improves kernel shape, plant architecture, and yield in rice.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Article
- 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
- How rice adapts to high temperatures.Frontiers in plant science · 2023Review
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Authors and funding
12 authors at 1 institution in 1 country.
Funding
Abstract
backgroundGrain chalkiness is one of important factors affected rice grain quality. It is known that chalkiness is affected by the high temperature during the seed filling period. Although a larger of QTLs for chalkiness were reported across all 12 chromosomes, only a few of the QTLs were fine mapped or cloned up to now. Here, we fine map two QTLs for chalkiness in two single-segment substitution lines (SSSLs), 11-09 with substitution segment from O. sativa and HP67-11 with substitution segment from O. glaberrima.
resultsThe grain chalkiness of SSSLs 11-09 and HP67-11 was significantly lower than that in the recipient Huajingxian 74 (HJX74) in consecutive 8 cropping seasons. The regression correlation analysis showed that percentage of chalky grain (PCG) and percentage of chalky area (PCA) were significantly and positively correlated with percentage of grain chalkiness (PGC). Two QTLs for grain chalkiness were located on two chromosomes by substitution mapping. qPGC9 was mapped on chromosome 9 with an estimated interval of 345.6 kb. qPGC11 was located on chromosome 11 and delimited to a 432.1 kb interval in the O. sativa genome and a 332.9 kb interval in the O. glaberrima genome. qPGC11 is a QTL for grain chalkiness from O. glaberrima and was mapped in a new region of chromosome 11. The effect of two QTLs was incomplete dominance. The additive effects of two QTLs on chalkiness in second cropping season (SCS) were significantly greater than that in first cropping season (FCS).
conclusionsqPGC11 is a new QTL for grain chalkiness. The two QTLs were fine mapped. The donor alleles of qPGC9 and qPGC11 were sensitive to the high temperature of FCS.
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