ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2022
Genetic dissection of quantitative trait loci for grain size and weight by high-resolution genetic mapping in bread wheat (Triticum aestivum L.).
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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19 citing papers in PubMed.
- Molecular mapping of a novel non-canonical gibberellin-sensitive dwarfing gene Rht29 in wheat (Triticum aestivum).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
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- Identification of quantitative trait loci and candidate genes underlying kernel traits of wheat (Triticum aestivum L.) in response to drought stress.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Development and application of a cost-effective multiplex Kompetitive Allele-Specific polymerase chain reaction assay for pyramiding resistant genes of fusarium head blight and powdery mildew in wheat.BMC plant biology · 2025Article
- Identification and development of KASP markers for genetic loci controlling plant height in bread wheat and evaluation their effects using near isogenic lines.BMC plant biology · 2025Article
- Genetic identification and characterization of quantitative trait loci for wheat grain size-related traits independent of grain number per spike.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Review
- Fine mapping and candidate gene mining of QSc/Sl.cib-7H for spike compactness and length and its pleiotropic effects on yield-related traits in barley (Hordeum vulgare L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Genetic insights into superior grain number traits: a QTL analysis of wheat-Agropyron cristatum derivative pubing3228.BMC plant biology · 2024Article
- Fine mapping of a major QTL, qKl-1BL controlling kernel length in common wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Dissection of a novel major stable QTL on chromosome 7D for grain hardness and its breeding value estimation in bread wheat.Frontiers in plant science · 2024Article
- Fine mapping of KLW1 that conditions kernel weight mainly through regulating kernel length in wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Construction of the first high-density SNP genetic map and identification of QTLs for the natural rubber content in Taraxacum kok-saghyz Rodin.BMC genomics · 2023Article
- QTL cluster analysis and marker development for kernel traits based on DArT markers in spring bread wheat (Frontiers in plant science · 2023Article
- Association mapping reveals novel genes and genomic regions controlling grain size architecture in mini core accessions of Indian National Genebank wheat germplasm collection.Frontiers in plant science · 2023Article
- Fine mapping and characterization of a major QTL for grain weight on wheat chromosome arm 5DL.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- High-resolution detection of quantitative trait loci for seven important yield-related traits in wheat (Triticum aestivum L.) using a high-density SLAF-seq genetic map.BMC genomic data · 2022Article
- Quantitative trait loci identification and breeding value estimation of grain weight-related traits based on a new wheat 50K single nucleotide polymorphism array-derived genetic map.Frontiers in plant science · 2022Article
- Genome-wide association study of yield-related traits in common wheat (Frontiers in plant science · 2022Article
- Genetic Dissection of Three Major Quantitative Trait Loci for Spike Compactness and Length in Bread Wheat (Frontiers in plant science · 2022Article
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17 authors.
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Abstract
key messageSix major QTLs for wheat grain size and weight were identified on chromosomes 4A, 4B, 5A and 6A across multiple environments, and were validated in different genetic backgrounds. Grain size and weight are crucial components of wheat yield. Dissection of their genetic control is thus essential for the improvement of yield potential in wheat breeding. We used a doubled haploid (DH) population to detect quantitative trait loci (QTLs) for grain width (GW), grain length (GL), and thousand grain weight (TGW) in five environments. Six major QTLs, QGw.cib-4B.2, QGl.cib-4A, QGl.cib-5A.1, QGl.cib-6A, QTgw.cib-4B, and QTgw.cib-5A, were consistently identified in at least three individual environments and in best linear unbiased prediction (BLUP) datasets, and explained 5.65-34.06% of phenotypic variation. QGw.cib-4B.2, QTgw.cib-4B, QGl.cib-5A.1 and QGl.cib-6A had no effect on grain number per spike (GNS). In addition to QGl.cib-4A, the other major QTLs were further validated by using Kompetitive Allele Specific PCR (KASP) markers in different genetic backgrounds. Moreover, significant interactions between the three major GL QTLs and two major TGW QTLs were observed. Comparison analysis showed that QGl.cib-5A.1 and QGl.cib-6A are likely new loci. Notably, QGw.cib-4B.2 and QTgw.cib-4B were co-located on chromosome 4B and improved TGW by increasing only GW, unlike nearby or overlapped loci reported previously. Three genes associated with grain development within the QGw.cib-4B.2/QTgw.cib-4B interval were identified by searches on sequence similarity, spatial expression patterns, and orthologs. The major QTLs and KASP markers reported here will be useful for elucidating the genetic architecture of grain size and weight and for developing new wheat cultivars with high and stable yield.
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