ArticleScientific reports2017
The role of glutamine synthetase isozymes in enhancing nitrogen use efficiency of N-efficient winter wheat.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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36 citing papers in PubMed, 93 citations in OpenAlex.
- FoliarScientific reports · 2026Article
- Functional Differences of Glutamine Synthetase Isoenzymes in Wheat Canopy Ammonia Exchange.International journal of molecular sciences · 2026Article
- Optimizing root architecture with nitrogen fertilization to improve nitrogen accumulation and yield in soybean.Frontiers in plant science · 2026Article
- Characterization of the Glutamine Synthetase Gene Family in Wheat (International journal of molecular sciences · 2025Article
- Comparative Proteome and Weighted Gene Co-Expression Network Analyses Uncover the Mechanism of Wheat Grain Protein Accumulation in Response to Nitrogen Fertilizer Application.Foods (Basel, Switzerland) · 2025Article
- Integrated fertilization with organic manure andFrontiers in plant science · 2025Article
- Spatiotemporal dynamics of crop water use and groundwater depletion under the winter wheat-summer maize rotation system in Henan Province, China.Frontiers in plant science · 2025Article
- Identification and characterization of the glutamine synthetase gene family in oat (Frontiers in plant science · 2025Article
- Article
- Identification of candidate genes and residues for improving nitrogen use efficiency in the N-sensitive medicinal plant Panax notoginseng.BMC plant biology · 2024Article
- The Role of Glutamine Synthetase (GS) and Glutamate Synthase (GOGAT) in the Improvement of Nitrogen Use Efficiency in Cereals.Biomolecules · 2023Review
- Genome-Wide Association Study on Seedling Phenotypic Traits of Wheat under Different Nitrogen Conditions.Plants (Basel, Switzerland) · 2023Article
- Physiological and Transcriptomic Analysis Provides Insights into Low Nitrogen Stress in Foxtail Millet (International journal of molecular sciences · 2023Article
- Nitrogen Journey in Plants: From Uptake to Metabolism, Stress Response, and Microbe Interaction.Biomolecules · 2023Review
- Development and marker-trait relationships of functional markers for glutamine synthetaseMolecular breeding : new strategies in plant improvement · 2023Article
- Breeding for Higher Yields of Wheat and Rice through Modifying Nitrogen Metabolism.Plants (Basel, Switzerland) · 2022Review
- Identification ofInternational journal of molecular sciences · 2022Article
- Over-Expression of Phosphoserine Aminotransferase-Encoding Gene (International journal of molecular sciences · 2022Article
- Wheat glutamine synthetase TaGSr-4B is a candidate gene for a QTL of thousand grain weight on chromosome 4B.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Genetic Control of Efficient Nitrogen Use for High Yield and Grain Protein Concentration in Wheat: A Review.Plants (Basel, Switzerland) · 2022Review
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Glutamine synthetase (GS) isozymes play critical roles in nitrogen (N) metabolism. However, the exact relationship between GS and nitrogen use efficiency (NUE) remain unclear. We have selected and compared two wheat cultivars, YM49 and XN509, which were identified as the N-efficient and N-inefficient genotypes, respectively. In this study, agronomical, morphological, physiological and biochemical approaches were performed. The results showed that TaGS1 was high expressed post-anthesis, and TaGS2 was highly expressed pre-anthesis in N-efficient genotype compared to N-inefficient genotype. GS1 and GS2 isozymes were also separated by native-PAGE and found that the spatial and temporal distribution of GS isozymes, their expression of gene and protein subunits in source-sink-flow organs during development periods triggered the pool strength and influenced the N flow. According to the physiological role of GS isozymes, we illustrated four metabolic regulation points, by which acting collaboratively in different organs, accelerating the transport of nutrients to the grain. It suggested that the regulation of GS isozymes may promote flow strength and enhance NUE by a complex C-N metabolic mechanism. The relative activity or amount of GS1 and GS2 isozymes could be a potential marker to predict and select wheat genotypes with enhanced NUE.
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