ArticleFrontiers in plant science2019
Dissecting the Genetic Basis of Grain Size and Weight in Barley (
Article in Frontiers in plant science, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 1 of them a synthesis that pooled it.
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Who cites it
27 citing papers in PubMed, 1 synthesis or guideline pooled it, 68 citations in OpenAlex.
- Meta-analysis of identified genomic regions and candidate genes underlying salinity tolerance in rice (Oryza sativa L.).Scientific reports · 2024Pooled it
- Identification of genes controlling grain size in barley through RNA-seq and weighted gene co-expression network analysis.Functional & integrative genomics · 2026Article
- Multi-locus genome-wide association mapping reveals loci underlying malt quality traits in heterogeneous Ethiopian Barley (Hordeum vulgare L.) germplasm.Scientific reports · 2026Article
- Identification of candidate genes for grain size in barley through combined GWAS and transcriptome analysis.Journal of plant research · 2025Article
- Unraveling the regulatory network of barley grain metabolism through the integrative analysis of multiomics and mQTL.Nature communications · 2025Article
- Genome-wide association studies reveal novel loci for grain size in two-rowed barley (Hordeum vulgare L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Genome-wide screening of meta-QTL and candidate genes controlling yield and yield-related traits in barley (Hordeum vulgare L.).PloS one · 2024Article
- QTL Mapping of Agronomic and Physiological Traits at the Seedling and Maturity Stages under Different Nitrogen Treatments in Barley.International journal of molecular sciences · 2023Article
- Genetic Localization and Homologous Genes Mining for Barley Grain Size.International journal of molecular sciences · 2023Review
- Article
- Natural variation inFrontiers in plant science · 2023Article
- Positional cloning identified HvTUBULIN8 as the candidate gene for round lateral spikelet (RLS) in barley (Hordeum vulgare L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Article
- Genome-Wide Association Study Revealed SNP Alleles Associated with Seed Size Traits in African Yam Bean (Genes · 2022Article
- The double round-robin population unravels the genetic architecture of grain size in barley.Journal of experimental botany · 2022Article
- Improving Yield and Yield Stability in Winter Rye by Hybrid Breeding.Plants (Basel, Switzerland) · 2022Review
- Genetic dissection of grain iron and zinc, and thousand kernel weight in wheat (Triticum aestivum L.) using genome-wide association study.Scientific reports · 2022Article
- A new major QTL for flag leaf thickness in barley (Hordeum vulgare L.).BMC plant biology · 2022Article
- Identification of QTL underlying the main stem related traits in a doubled haploid barley population.Frontiers in plant science · 2022Article
- Genotyping by Sequencing Advancements in Barley.Frontiers in plant science · 2022Review
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Authors and funding
8 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Grain size and weight are crucial components of barley yield and quality and are the target characteristics of domestication and modern breeding. Despite this, little is known about the genetic and molecular mechanisms of grain size and weight in barley. Here, we evaluated nine traits determining grain size and weight, including thousand grain weight (Tgw), grain length (Gl), grain width (Gw), grain length-width ratio (Lwr), grain area (Ga), grain perimeter (Gp), grain diameter (Gd), grain roundness (Gr), and factor form density (Ffd), in a double haploid (DH) population for three consecutive years. Using five mapping methods, we successfully identified 60 reliable QTLs and 27 hotspot regions that distributed on all chromosomes except 6H which controls the nine traits of grain size and weight. Moreover, we also identified 164 barley orthologs of 112 grain size/weight genes from rice, maize, wheat and 38 barley genes that affect grain yield. A total of 45 barley genes or orthologs were identified as potential candidate genes for barley grain size and weight, including 12, 20, 9, and 4 genes or orthologs for barley, rice, maize, and wheat, respectively. Importantly, 20 of them were located in the 14 QTL hotspot regions on chromosome 1H, 2H, 3H, 5H, and 7H, which controls barley grain size and weight. These results indicated that grain size/weight genes of other cereal species might have the same or similar functions in barley. Our findings provide new insights into the understanding of the genetic basis of grain size and weight in barley, and new information to facilitate high-yield breeding in barley. The function of these potential candidate genes identified in this study are worth exploring and studying in detail.
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