ArticlePlant physiology2023
Magnesium promotes tea plant growth via enhanced glutamine synthetase-mediated nitrogen assimilation.
Article in Plant physiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 35 citations in OpenAlex.
- The dual fate of L-theanine in tea: Metabolic regulation and processing transformations.Journal of advanced research · 2026Review
- Transcriptome Analysis Revealed the Mechanism of Nitrate Absorption in Tea Plants.Plants (Basel, Switzerland) · 2026Article
- Phosphorus (P)-magnesium (Mg) interaction in citrus growth: high P promotes new shoot growth while accelerating old leaf symptoms in young navel orange plants under Mg deficiency.BMC plant biology · 2026Article
- A tissue-resolved, network-based transcriptomic framework for abiotic stress responses in sorghum.The Plant journal : for cell and molecular biology · 2026Article
- Foliar application of magnesium and amino acids to off-season maize: a strategy to improve photosynthetic and antioxidant metabolism.Frontiers in plant science · 2026Article
- Magnesium-mediated stress adaptation in plants: from physio-biochemical insights to climate-resilient agriculture.Frontiers in plant science · 2026Review
- Influencing Factors and Adaptation Strategies of Stoichiometric Characteristics of Main Shrubs and Herbs in Karst Area at Microhabitat Scale.Plants (Basel, Switzerland) · 2025Article
- CsMYB213-CsbHLH35 module regulates theanine biosynthesis in tea plants (Camellia sinensis L.).Plant biotechnology journal · 2025Article
- Characterization of nitrate use efficiency in tea plant (Horticulture research · 2025Article
- Metabolome and Transcriptome Analysis Reveals the Regulatory Effect of Magnesium Treatment on EGCG Biosynthesis in Tea Shoots (Plants (Basel, Switzerland) · 2025Article
- Ion Interference Reduces the Uptake and Accumulation of Magnesium Ions in Tea Plants (Plants (Basel, Switzerland) · 2025Article
- Metabolome profiling and transcriptome analysis unveiling the crucial role of magnesium transport system for magnesium homeostasis in tea plants.Horticulture research · 2024Article
- Effects of Photoperiod and Light Quality on Germination and Growth ofPlants (Basel, Switzerland) · 2024Article
- Comprehensive dissection of variation and accumulation of free amino acids in tea accessions.Horticulture research · 2024Article
- Application of Multi-Perspectives in Tea Breeding and the Main Directions.International journal of molecular sciences · 2023Review
- Effects of Magnesium on Transcriptome and Physicochemical Index of Tea Leaves.Plants (Basel, Switzerland) · 2023Article
- Study on the effect of magnesium on leaf metabolites, growth and quality of tea tree.Frontiers in plant science · 2023Article
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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
Acidic tea (Camellia sinensis) plantation soil usually suffers from magnesium (Mg) deficiency, and as such, application of fertilizer containing Mg can substantially increase tea quality by enhancing the accumulation of nitrogen (N)-containing chemicals such as amino acids in young tea shoots. However, the molecular mechanisms underlying the promoting effects of Mg on N assimilation in tea plants remain unclear. Here, both hydroponic and field experiments were conducted to analyze N, Mg, metabolite contents, and gene expression patterns in tea plants. We found that N and amino acids accumulated in tea plant roots under Mg deficiency, while metabolism of N was enhanced by Mg supplementation, especially under a low N fertilizer regime. 15N tracing experiments demonstrated that assimilation of N was induced in tea roots following Mg application. Furthermore, weighted gene correlation network analysis (WGCNA) analysis of RNA-seq data suggested that genes encoding glutamine synthetase isozymes (CsGSs), key enzymes regulating N assimilation, were markedly regulated by Mg treatment. Overexpression of CsGS1.1 in Arabidopsis (Arabidopsis thaliana) resulted in a more tolerant phenotype under Mg deficiency and increased N assimilation. These results validate our suggestion that Mg transcriptionally regulates CsGS1.1 during the enhanced assimilation of N in tea plant. Moreover, results of a field experiment demonstrated that high Mg and low N had positive effects on tea quality. This study deepens our understanding of the molecular mechanisms underlying the interactive effects of Mg and N in tea plants while also providing both genetic and agronomic tools for future improvement of tea production.
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