ArticleMolecular genetics and genomics : MGG2017
The ferredoxin-dependent glutamate synthase (OsFd-GOGAT) participates in leaf senescence and the nitrogen remobilization in rice.
Article in Molecular genetics and genomics : MGG, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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28 citing papers in PubMed, 68 citations in OpenAlex.
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- Integrated multi-omics analysis reveals the role of nitrogen application in seed storage protein metabolism and improvement of inferior grains in smooth bromegrass.Frontiers in plant science · 2025Article
- Identification of Wheat Glutamate Synthetase Gene Family and Expression Analysis under Nitrogen Stress.Genes · 2024Article
- An integrated transcriptome and physiological analysis of nitrogen use efficiency in rice (Frontiers in genetics · 2024Article
- The Role of Glutamine Synthetase (GS) and Glutamate Synthase (GOGAT) in the Improvement of Nitrogen Use Efficiency in Cereals.Biomolecules · 2023Review
- Unlocking the potentials of nitrate transporters at improving plant nitrogen use efficiency.Frontiers in plant science · 2023Review
- Transporters and transcription factors gene families involved in improving nitrogen use efficiency (NUE) and assimilation in rice (Oryza sativa L.).Transgenic research · 2022Review
- Molecular basis of nitrogen starvation-induced leaf senescence.Frontiers in plant science · 2022Review
- The Dynamics of NO3- and NH4+ Uptake in Duckweed Are Coordinated with the Expression of Major Nitrogen Assimilation Genes.Plants (Basel, Switzerland) · 2021Article
- RNA-Seq-Based Profiling ofInternational journal of molecular sciences · 2021Article
- Current Understanding of Leaf Senescence in Rice.International journal of molecular sciences · 2021Review
- Biochemical and Genetic Approaches Improving Nitrogen Use Efficiency in Cereal Crops: A Review.Frontiers in plant science · 2021Review
- ES5 is involved in the regulation of phosphatidylserine synthesis and impacts on early senescence in rice (Oryza sativa L.).Plant molecular biology · 2020Article
- Targeting Nitrogen Metabolism and Transport Processes to Improve Plant Nitrogen Use Efficiency.Frontiers in plant science · 2020Review
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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
Ferredoxin-dependent glutamate synthase (Fd-GOGAT, EC 1.4.7.1) plays major roles in photorespiration and primary nitrogen assimilation. However, due to no mutant or knockdown lines of OsFd-GOGAT have been reported in rice (Oryza sativa L.), the contribution of OsFd-GOGAT to rice foliar nitrogen metabolism remains little up-to-date. Here, we isolated a rice premature leaf senescence mutant named gogat1, which was reduced in 67% of the total GOGAT enzyme activity in leaves. The gogat1 mutant exhibited chlorosis under natural condition, while showed less extent premature leaf senescence under low light treatment. The gogat1 locus was mapped to a 54.1 kb region on chromosome 7, and the sequencing of OsFd-GOGAT showed one substitution (A to T) at the 3017th nucleotide of the open reading frame, leading to the amino-acid substitution of leucine changed to histidine. The gogat1 mutant showed reduced seed setting rate, while the grain protein content in gogat1 mutant was significantly higher than that in wild type. Meanwhile, during the grain-filling stage, total amino acids in the up three leaves and the upmost internode were increased dramatically. The results in this study suggested that OsFd-GOGAT might participate in nitrogen remobilization during leaf senescence, which provides a potential way to improve nitrogen use efficiency in rice.
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