ArticleHorticulture research2024
Dissection of the spatial dynamics of biosynthesis, transport, and turnover of major amino acids in tea plants (
Article in Horticulture research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- The dual fate of L-theanine in tea: Metabolic regulation and processing transformations.Journal of advanced research · 2026Review
- Spatial transcriptome analysis of the tea tender shoot sheds light on transcriptional regulation of characteristic metabolites.Horticulture research · 2026Article
- Transcriptomic and biochemical analyses revealed the dynamic regulatory mechanisms underlying leaf morphogenesis inFrontiers in plant science · 2026Article
- Amino acid transporter CsBAT links GABA accumulation to flavonoid metabolism inHorticulture research · 2026Article
- Genome-Wide Identification and Expression Analysis of Aquaporin Gene Family in Tea Plant (Plants (Basel, Switzerland) · 2025Article
- CsMYB213-CsbHLH35 module regulates theanine biosynthesis in tea plants (Camellia sinensis L.).Plant biotechnology journal · 2025Article
- Evergreen citrus trees exhibit distinct seasonal nitrogen remobilization patterns between mature leaves and bark.Horticulture research · 2025Article
- Differential epigenetic regulation by blue and UV-A light reveals the key role of CsSDG36-mediated H3K4 methylation in leaf development and secondary metabolism in Camellia sinensis.Genome biology · 2025Article
- Integrated Physiological, Transcriptomic, and Metabolomic Analysis Reveals Mechanism Underlying thePlants (Basel, Switzerland) · 2025Article
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Authors and funding
11 authors.
Funding
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Abstract
High levels of free amino acids (AAs) in tea leaves are crucial for tea flavor and health function; however, the dynamic AA biosynthesis, transport, and turnover in tea plants remain elusive. Here we dissected whole tea plants for these dynamics by assessing AA profiles and transcriptomes of metabolic pathway genes in tea roots, stems, and leaves and revealing their distinctive features with regard to AA synthesis, transport, and degradation/recycling. Nitrogen assimilation dominated in the roots wherein glutamine (Gln), theanine, and arginine (Arg) were actively synthesized. Arg was transported into trunk roots and stems, together with Glu, Gln, and theanine as the major AAs in the xylem sap for long-distance root-to-leaf transport. Transcriptome analysis revealed that genes involved in Arg synthesis were highly expressed in roots, but those for Arg transport and degradation were highly expressed in stems and young leaves, respectively.
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Registered trials
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