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Diferulic and ferulic acid in the cell wall of Avena coleoptiles : their relationships to mechanical properties of the cell wall
TLDR
The results suggest that ferulic acid, ester-linked to cell wall polysaccharides, is oxidized to give diferulic Acid, which makes the cell wall mechanically rigid by cross-linking matrix poly Saccharides and results in limited cell extension growth.
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Antimicrobial triterpenes from Ilex integra and the mechanism of antifungal action
TLDR
Results suggest that the antimicrobial activity of triterpenes in I. integra is due to a change of membrane permeability arising from membrane lipid alteration.
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AKD-2A, B, C and D, new antibiotics from Streptomyces sp. OCU-42815. Taxonomy, fermentation, isolation, structure elucidation and biological activity.
An antibiotic complex, AKD-2, was isolated from the mycelial cake of Streptomyces sp. OCU-42815. The lipophilic substances in this complex were further purified by a recycling HPLC procedure and were…
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UK-1, a novel cytotoxic metabolite from Streptomyces sp. 517-02. I. Taxonomy, fermentation, isolation, physico-chemical and biological properties.
TLDR
A new benzoxazole, UK-1, was isolated from the mycelial cake of an actinomycete strain 517-02 and showed potent cytotoxic activity against B16, HeLa and P388 cells and did not show any antimicrobial activity.
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Insect growth inhibitory Nor-diterpenes, cis-dehydrocrotonin and trans-dehydrocrotonin, from Croton cajucara
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Antimicrobial indolequinones from the mid-intestinal gland of the muricid gastropod Drupella fragum
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UK-2A, B, C and D, novel antifungal antibiotics from Streptomyces sp. 517-02. III. Absolute configuration of an antifungal antibiotic, UK-2A, and consideration of its conformation.
Recently, the novel potent antifungal metabolites, UK-2A, B, C and D isolated from Streptomyces sp. 517-02, have been reported1,2). The structure of UK-2A contains a nine-membered dilactone skeleton…
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Mechanism of Antifungal Action of Citrinin
TLDR
The main site of the antifungal action of citrinin appears to be the mitochondrial electron transport system, which seems to be associated with its uptake by fungi.
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Calicoferols A and B, two novel secosterols possessing brine-shrimp lethality from the gorgonian Calicogorgia sp.
The structures of calicoferols A and B, two new secosterols possessing brine-shrimp lethality isolated from the gorgonian Calicogorgia sp. have been determined on the basis of spectroscopic and…
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α-Amino acids from a mushroom, Amanita castanopsidis Hongo, with growth-inhibiting activity
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