ArticlePlants (Basel, Switzerland)2023
Effects of Magnesium on Transcriptome and Physicochemical Index of Tea Leaves.
Article in Plants (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 20 citations in OpenAlex.
- Continuous cropping changes the absorption and accumulation of elements inOpen life sciences · 2026Article
- Magnesium Regulation Increases the Content of Characteristic Volatile Compounds and Enhances the Intensity of Odor Characteristics in Tea Tree Leaves.Foods (Basel, Switzerland) · 2025Article
- Ion Interference Reduces the Uptake and Accumulation of Magnesium Ions in Tea Plants (Plants (Basel, Switzerland) · 2025Article
- L-Theanine Metabolism in Tea Plants: Biological Functions and Stress Tolerance Mechanisms.Plants (Basel, Switzerland) · 2025Review
- Response of characteristic hormones in tea roots and leaves under magnesium regulation and their balancing regulation on growth and quality.Frontiers in plant science · 2025Article
- Multi-omics analysis uncovers the transcriptional regulatory mechanism of magnesium Ions in the synthesis of active ingredients in Sophora tonkinensis.Scientific reports · 2024Article
- The Ability of Different Tea Tree Germplasm Resources in South China to Aggregate Rhizosphere Soil Characteristic Fungi Affects Tea Quality.Plants (Basel, Switzerland) · 2024Article
- Changes in the growth and physiological property of tea tree after aviation mutagenesis and screening and functional verification of its characteristic hormones.Frontiers in plant science · 2024Article
- Transcriptomic Analysis of the Effect of Pruning on Growth, Quality, and Yield of Wuyi Rock Tea.Plants (Basel, Switzerland) · 2023Article
- Study on the effect of magnesium on leaf metabolites, growth and quality of tea tree.Frontiers in plant science · 2023Article
- Metagenomics-based exploration of key soil microorganisms contributing to continuously plantedFrontiers in plant science · 2023Article
- Analysis of the effect of different withering methods on tea quality based on transcriptomics and metabolomics.Frontiers in plant science · 2023Article
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Authors and funding
11 authors at 3 institutions in 1 country.
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Abstract
Magnesium (Mg) is one of the essential elements for the growth of tea tree and is extremely important for its development. In this study, we investigated the effect of Mg on the transcriptome and physicochemical indexes of tea leaves, and the results showed that Mg could significantly affect the gene expression of tea leaves. The results of Orthogonal Partial Least-Squares Discriminant Analysis (OPLS-DA) model analysis showed that a total of 300 key genes (Variable Importance for the Projection, VIP > 1) were screened under different concentrations of Mg treatment, among which 140 genes were up-regulated and 160 genes were down-regulated. The bubble map was used to screen the characteristic genes from the above key genes, and a total of 121 representative characteristic genes were obtained, mainly involving 9 metabolic pathways. Among them, gene expression of three metabolic pathways, including porphyrin metabolism, alpha-linolenic acid metabolism and photosynthesis, showed an increasing trend with the increase of Mg concentration, while gene expression of four metabolic pathways, including biosynthesis of secondary metabolites, anthocyanin biosynthesis, ABC transporters, pentose and glucuronate interconversions, showed a decreasing trend. The results of physiological index analysis showed that with the increase of Mg concentration, the photosynthetic physiological index, theanine and soluble sugar content of tea leaves showed an increasing trend, while the content of tea polyphenol, flavone and caffeine showed a decreasing trend. The results of TOPSIS analysis showed that the physiological indexes of tea trees most affected by Mg were chlorophyll, tea polyphenols and flavonoids, while the metabolic pathways most affected by Mg on gene expression were the metabolic pathways and biosynthesis of secondary metabolites. It can be seen that the effects of Mg on tea tree were mainly related to photosynthesis and synthesis of secondary metabolites, and Mg was beneficial for improving the photosynthetic capacity of tea tree, enhancing the accumulation of primary metabolites, and thus increasing tea yield. However, Mg was not conducive to the synthesis of secondary metabolites of tea tree and the accumulation of main quality indexes of tea leaves.
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