ArticlePlanta2017
TaGW2-6A allelic variation contributes to grain size possibly by regulating the expression of cytokinins and starch-related genes in wheat.
Article in Planta, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 62 citations in OpenAlex.
- Uncovering yield-related traits loci in Chinese wheat landraces using GWAS.Frontiers in plant science · 2026Article
- Water and nitrogen management strategies influence grain filling and yield of winter wheat in the North China Plain.Frontiers in plant science · 2026Article
- Genome-wide analysis of the BES1 gene family reveals their involvement in grain development of Triticum aestivum L.BMC genomics · 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
- Research on the regulation mechanism of drought tolerance in wheat.Plant cell reports · 2025Review
- Ancient diversity ofFrontiers in plant science · 2025Article
- The E3 ligase TaGW2 mediates transcription factor TaARR12 degradation to promote drought resistance in wheat.The Plant cell · 2024Article
- A novel variation ofMolecular breeding : new strategies in plant improvement · 2024Article
- The trade-off between grain weight and grain number in wheat is explained by the overlapping of the key phases determining these major yield components.Frontiers in plant science · 2024Article
- Genetic Basis of Grain Size and Weight in Rice, Wheat, and Barley.International journal of molecular sciences · 2023Review
- PSW1, an LRR receptor kinase, regulates pod size in peanut.Plant biotechnology journal · 2023Article
- Responses of wheat kernel weight to diverse allelic combinations under projected climate change conditions.Frontiers in plant science · 2023Article
- The double round-robin population unravels the genetic architecture of grain size in barley.Journal of experimental botany · 2022Article
- Genes Impacting Grain Weight and Number in Wheat (Plants (Basel, Switzerland) · 2022Review
- Genetic dissection of quantitative trait loci for grain size and weight by high-resolution genetic mapping in bread wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Genome-wide analysis of RING-type E3 ligase family identifies potential candidates regulating high amylose starch biosynthesis in wheat (Triticum aestivum L.).Scientific reports · 2021Article
- Identification of a novel ERF gene, TaERF8, associated with plant height and yield in wheat.BMC plant biology · 2020Article
- A RING-Type E3 Ubiquitin Ligase,International journal of molecular sciences · 2020Article
- Cytokinin dehydrogenase: a genetic target for yield improvement in wheat.Plant biotechnology journal · 2020Review
- Enhancing grain size in durum wheat using RNAi to knockdown GW2 genes.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Article
Corrections and comments
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
MAIN
conclusionFunctional allelic variants of TaGW2 - 6A produce large grains, possibly via changes in endosperm cells and dry matter by regulating the expression of cytokinins and starch-related genes via the ubiquitin-proteasome system. In wheat, TaGW2-6A coding region allelic variants are closely related to the grain width and weight, but how this region affects grain development has not been fully elucidated; thus, we explored its influence on grain development based mainly on histological and grain filling analyses. We found that the insertion type (NIL31) TaGW2-6A allelic variants exhibited increases in cell numbers and cell size, thereby resulting in a larger (wider) grain size with an accelerated grain milk filling rate, and increases in grain width and weight. We also found that cytokinin (CK) synthesis genes and key starch biosynthesis enzyme AGPase genes were significantly upregulated in the TaGW2-6A allelic variants, while CK degradation genes and starch biosynthesis-negative regulators were downregulated in the TaGW2-6A allelic variants, which was consistent with the changes in cells and grain filling. Thus, we speculate that TaGW2-6A allelic variants are linked with CK signaling, but they also influence the accumulation of starch by regulating the expression of related genes via the ubiquitin-proteasome system to control the grain size and grain weight.
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