ArticleNature communications2020
Cloning of wheat keto-acyl thiolase 2B reveals a role of jasmonic acid in grain weight determination.
Article in Nature communications, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.
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35 citing papers in PubMed, 73 citations in OpenAlex.
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- Antagonistic effects of selection on alleles associated with seed size and seed dormancy in wheat.Genome biology · 2025Article
- Natural variation in CHELATASE SUBUNIT I-A increases grain weight and enhances wheat yield.The Plant cell · 2025Article
- A natural variation in the promoter of TaGDSL-7D contributes to grain weight and yield in wheat.Plant biotechnology journal · 2025Article
- Suppressing wheat sucrose phosphate synthase 1-B protects wheat against stripe rust.Journal of advanced research · 2025Article
- Genome-Wide Identification and Expression Analysis of TaDES1 Gene Family Responded to Biotic and Abiotic Stress in Wheat (Food science & nutrition · 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 major QTLFrontiers in plant science · 2025Article
- Single- and multi-locus genome-wide association study reveals genomic regions of thirteen yield-related traits in common wheat.BMC plant biology · 2024Article
- When Size Matters: New Insights on How Seed Size Can Contribute to the Early Stages of Plant Development.Plants (Basel, Switzerland) · 2024Review
- A Genome-Wide Analysis of the Jasmonic Acid Biosynthesis Gene Families in Peanut Reveals Their Crucial Roles in Growth and Abiotic Stresses.International journal of molecular sciences · 2024Article
- Introgression of chromosome 5P from Agropyron cristatum enhances grain weight in a wheat background.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 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
- Genetic Basis of Grain Size and Weight in Rice, Wheat, and Barley.International journal of molecular sciences · 2023Review
- A transcription factor ZmGLK36 confers broad resistance to maize rough dwarf disease in cereal crops.Nature plants · 2023Article
- Suppression of ZEAXANTHIN EPOXIDASE 1 restricts stripe rust growth in wheat.Plant communications · 2023Article
- A high-resolution genotype-phenotype map identifies the TaSPL17 controlling grain number and size in wheat.Genome biology · 2023Article
- HSP90.2 promotes COPlant biotechnology journal · 2023Article
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Grain weight (GW) is one of the component traits of wheat yield. Existing reports have shown that multiple phytohormones are involved in the regulation of GW in different crops. However, the potential role of jasmonic acid (JA) remains unclear. Here, we report that triticale grain weight 1 (tgw1) mutant, with marked reductions in both GW and JA content, is caused by a premature stop mutation in keto-acyl thiolase 2B (KAT-2B) involved in β-oxidation during JA synthesis. KAT-2B overexpression increases GW in wild type and boosts yield. Additionally, KAT-2B compliments the grain defect in tgw1 and rescues the lethal phenotype of the Arabidopsis kat2 mutant in a sucrose-free medium. Despite the suppression of JA synthesis in tgw1 mutant, ABA synthesis is upregulated, which is accompanied by enhanced expression of SAG3 and reduction of chlorophyll content in leaves. Together, these results demonstrate a role of the JA synthetic gene KAT-2B in controlling GW and its potential application value for wheat improvement.
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