ArticleBotanical studies2013
Immunocytochemical localization of saikosaponin-d in vegetative organs of Bupleurum scorzonerifolium Willd.
Article in Botanical studies, 2013. 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, 11 citations in OpenAlex.
- Functional characterization of four glycosyltransferases for biosynthesis of steroidal saponins in medicinal plantSynthetic and systems biotechnology · 2026Article
- Genome-wide identification and expression profiling of the HMGR gene family in Bupleurum chinense DC.BMC plant biology · 2026Article
- Saikosaponin-d Alleviates Renal Inflammation and Cell Apoptosis in a Mouse Model of Sepsis via TCF7/FOSL1/Matrix Metalloproteinase 9 Inhibition.Molecular and cellular biology · 2021Article
- Metabolic and functional diversity of saponins, biosynthetic intermediates and semi-synthetic derivatives.Critical reviews in biochemistry and molecular biologyReview
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6 authors at 2 institutions in 1 country.
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Abstract
backgroundSaikosaponin-d (SSd) is an important active component of Bupleurum scorzonerifolium Willd., a traditional Chinese medicinal herb. Thus far, the biosynthetic pathway and biosynthetic site of saikosaponins in Bupleurum are largely unknown. The cellular localization of SSd will help in understanding saikosaponin biosynthesis and regulation.
resultsIn this study, we characterize for the first time the localization of SSd in B. scorzonerifolium tissues and cells using histochemistry and immunoelectron microscopy. The results show that the saikosaponin distribution in different plant organs changes as they mature. The number of SSd gold particles distinctly differed among the roots, stems, and leaves, with the particles mainly concentrated in the roots. The gold particles were mainly observed in vacuoles, with a few particles in the protoplasm; hence, SSd is mainly stored in vacuoles.
conclusionsWe speculate that saikosaponins are mainly synthesized via the mevalonate pathway in the protoplasm in young organs, and then transported to the central vacuole by the endoplasmic reticulum (ER) or the fusion of vacuoles, to protect plants from self-poisoning with the accumulation of more saikosaponins.
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