Results 1 to 10 of about 2,302 (196)

Lichen Depsides and Tridepsides: Progress in Pharmacological Approaches

open access: yesJournal of Fungi (Basel, Switzerland), 2023
Depsides and tridepsides are secondary metabolites found in lichens. In the last 10 years, there has been a growing interest in the pharmacological activity of these compounds.
Isabel Ureña-Vacas   +2 more
exaly   +6 more sources

Lichen-Derived Diffractaic Acid Inhibited Dengue Virus Replication in a Cell-Based System [PDF]

open access: yesMolecules, 2023
Dengue is a mosquito-borne flavivirus that causes 21,000 deaths annually. Depsides and depsidones of lichens have previously been reported to be antimicrobials. In this study, our objective was to identify lichen-derived depsides and depsidones as dengue
Naphat Loeanurit   +10 more
doaj   +2 more sources

Genome Mining-Guided Discovery of Two New Depsides from Talaromyces sp. HDN1820200 [PDF]

open access: yesMarine Drugs
Depsides and their derivatives are a class of polyketides predominantly found in fungal extracts. Herein, a silent nonreducing polyketide synthase (TalsA)-containing gene cluster, which was identified from the Antarctic sponge-derived fungus Talaromyces ...
Xiao Zhang   +7 more
doaj   +2 more sources

Biosynthetic gene cluster synteny: Orthologous polyketide synthases in Hypogymnia physodes, Hypogymnia tubulosa, and Parmelia sulcata [PDF]

open access: yesMicrobiologyOpen, 2023
Lichens are symbiotic associations consisting of a photobiont (algae or cyanobacteria) and a mycobiont (fungus), which together generate a variety of unique secondary metabolites.
Nadim Ahmad   +6 more
doaj   +2 more sources

Fungal Depsides—Naturally Inspiring Molecules: Biosynthesis, Structural Characterization, and Biological Activities

open access: yesMetabolites, 2021
Fungi represent a huge reservoir of structurally diverse bio-metabolites. Although there has been a marked increase in the number of isolated fungal metabolites over the past years, many hidden metabolites still need to be discovered.
Sabrin R M Ibrahim   +2 more
exaly   +3 more sources

It Is Not All about Alkaloids—Overlooked Secondary Constituents in Roots and Rhizomes of Gelsemium sempervirens (L.) J.St.-Hil [PDF]

open access: yesPlants
Gelsemium sempervirens (L.) J.St.-Hil. is an evergreen shrub occurring naturally in North and Middle America. So far, more than 120 alkaloids have been identified in this plant in addition to steroids, coumarins and iridoids, and its use in traditional ...
Lilo K. Mailänder   +5 more
doaj   +2 more sources

The isolation, analytical characterization by HPLC-UV and NMR spectroscopy, cytotoxic and antioxidant activities of baeomycesic acid from Thamnolia vermicularis var. subuliformis [PDF]

open access: yesHemijska Industrija, 2011
The aim of this work was the analytical characterization of the β-orcinol depside, baeomycesic acid in lichens extracts. The extract of Thamnolia vermicularis var.
Manojlović Nedeljko T.   +5 more
doaj   +3 more sources

Identification of Secondary Metabolites from the Lichen Hypotrachyna enderythraea (Zahlbr.) Hale by HPLC-ESI-MS/MS [PDF]

open access: yesMolecules
In this study, sixteen secondary metabolites, including two chromones, four dibenzofurans, three lipids, three depsides, two aromatic compounds, a quinone, and a terpene, were detected in the methanol:acetone (1:1 v/v) extract of the lichen Hypotrachyna ...
Fernando Carrasco   +10 more
doaj   +2 more sources

Biosynthesis of the C-Glycosylated Depside Arenicolin B. [PDF]

open access: yesChembiochem
AbstractWe uncovered the biosynthetic pathway of the C‐glycosylated depside arenicolin B from Phialomyces arenicola through genome mining, heterologous reconstitution and biochemical characterization. The biosynthetic gene cluster (BGC) of arenicolin B is comprised of a HRPKS, a NRPKS, and a C‐glycosyltransferase.
Johnson CW   +4 more
europepmc   +4 more sources

Rosarugosides A and D from Rosa rugosa Flower Buds: Their Potential Anti-Skin-Aging Effects in TNF-α-Induced Human Dermal Fibroblasts [PDF]

open access: yesPlants
This present study investigated the anti-skin-aging properties of Rosa rugosa. Initially, phenolic compounds were isolated from a hot water extract of Rosa rugosa’s flower buds. Through repeated chromatography (column chromatography, MPLC, and prep HPLC),
Kang Sub Kim   +6 more
doaj   +2 more sources

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