ArticleBMC plant biology2023
Omics analyses of Rehmannia glutinosa dedifferentiated and cambial meristematic cells reveal mechanisms of catalpol and indole alkaloid biosynthesis.
Article in BMC plant biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 12 citations in OpenAlex.
- Transcriptomics and proteomics insights into carotenoid differentiation in tissue cultured Rehmannia glutinosa root cambial meristematic cells: REG-CMC1 and non-somaclonal REG-CMC2.BMC plant biology · 2026Article
- Catalpol: An Iridoid Glycoside With Potential in Combating Cancer Development and Progression-A Comprehensive Review.Phytotherapy research : PTR · 2025Review
- Multiomics-based assessment of the impact of airflow on diverse plant callus cultures.Scientific data · 2025Article
- Transcriptome Analysis Provides Insights into Catalpol Biosynthesis in the Medicinal PlantGenes · 2024Article
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Authors and funding
12 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundRehmannia glutinosa is a rich source of terpenoids with a high medicinal reputation. The present study compared dedifferentiated cells (DDCs) and cambial meristematic cells (CMCs) cell cultures of R. glutinosa for terpenoid (catalpol) and indole alkaloid (IA) biosynthesis. In this regard, we used widely targeted metabolomics and transcriptome sequencing approaches together with the comparison of cell morphology, cell death (%), and catalpol production at different time points.
resultsWe were able to identify CMCs based on their morphology and hypersensitivity to zeocin. CMCs showed higher dry weight content and better catalpol production compared to DDCs. The metabolome analysis revealed higher concentrations of IA, terpenoids, and catalpol in CMCs compared to DDCs. The transcriptome sequencing analysis showed that a total of 27,201 genes enriched in 139 pathways were differentially expressed. The higher catalpol concentration in CMCs is related to the expression changes in genes involved in acetyl-CoA and geranyl-PP biosynthesis, which are precursors for monoterpenoid biosynthesis. Moreover, the expressions of the four primary genes involved in monoterpenoid biosynthesis (NMD, CYP76A26, UGT6, and CYP76F14), along with a squalene monooxygenase, exhibit a strong association with the distinct catalpol biosynthesis. Contrarily, expression changes in AADC, STR, and RBG genes were consistent with the IA biosynthesis. Finally, we discussed the phytohormone signaling and transcription factors in relation to observed changes in metabolome.
conclusionsOverall, our study provides novel data for improving the catalpol and IA biosynthesis in R. glutinosa.
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