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emodin anthrone/hypericum
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6 resultados
Isolation, Characterization and Targeted Metabolic Evaluation of Endophytic Fungi Harbored in 14 Seed-Derived Hypericum Species.
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Medicinal plants of the genus Hypericum are rich sources of bioactive naphthodianthrones, which are unique in the plant kingdom, but quite common in fungal endophytes. Cultivable endophytic fungi were isolated from 14 different Hypericum spp. originating from seeds grown under in
[Biologically active substances isolated from Hypericum attenuatum Choisy].
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Four dianthrones, two oxymethylanthraquinones, two reductive forms of anthraquinones and five flavonoids have been isolated from the plant source Hypericum attenuatum Choisy (Guttiferae) firstly investigated for these substances contents. Dianthrones pseudohypericin, protohypericin,
MALDI-HRMS Imaging Maps the Localization of Skyrin, the Precursor of Hypericin, and Pathway Intermediates in Leaves of Hypericum Species
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Hypericum perforatum and related species (Hypericaceae) are a reservoir of pharmacologically important secondary metabolites, including the well-known naphthodianthrone hypericin. However, the exact biosynthetic steps in the hypericin biosynthetic pathway, vis-à-vis the essential precursors
Light-independent metabolomics of endophytic Thielavia subthermophila provides insight into microbial hypericin biosynthesis.
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The possible microbial mechanism of hypericin (1) and emodin (2) biosynthesis was studied in axenic submerged culture conditions in the endophytic fungus Thielavia subthermophila, isolated from Hypericum perforatum. The growth and secondary metabolite production of the endophyte remained independent
Octaketide-producing type III polyketide synthase from Hypericum perforatum is expressed in dark glands accumulating hypericins.
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Hypericins are biologically active constituents of Hypericum perforatum (St John's wort). It is likely that emodin anthrone, an anthraquinone precursor of hypericins, is biosynthesized via the polyketide pathway by type III polyketide synthase (PKS). A PKS from H. perforatum, HpPKS2, was
Occurrence and Distribution of Phytochemicals in the Leaves of 17 In vitro Cultured Hypericum spp. Adapted to Outdoor Conditions.
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A plethora of plants belonging to the genus Hypericum have been investigated so far owing to the biological efficacies of pharmacologically important secondary metabolites produced by several Hypericum species. However, there is currently a dearth of information about the localization (accumulation)
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