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Rapid purification of the peptide toxins microcystin-LR and nodularin.
An isolation procedure was developed to provide within one day microcystin-LR, a cyclic heptapeptide toxin from Microcystis aeruginosa PCC 7806. After ODS (octadecylsilyl) solid phase extraction, theExpand
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Binding structure of elastase inhibitor scyptolin A.
Natural bioactive compounds are of general interest to pharmaceutical research because they may be used as leads in drug development campaigns. Among them, scyptolin A and B from Scytonema hofmanniExpand
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Native acridone synthases I and II from Ruta graveolens L. form homodimers
Acridone synthase II cDNA was cloned from irradiated cell suspension cultures of Ruta graveolens L. and expressed in Escherichia coli. The translated polypeptide of M r 42 681 revealed a high degreeExpand
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Scyptolin A and B, cyclic depsipeptides from axenic cultures of Scytonema hofmanni PCC 7110.
Two novel cyclic depsipeptides were isolated from axenic cultures of the terrestrial cyanobacterium Scytonema hofmanni PCC 7110 and designated scyptolin A and B. Amino acid analyses in context withExpand
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Coumarins and other phenylpropanoid compounds in the defense response of plant cells.
  • U. Matern
  • Biology, Medicine
  • Planta medica
  • 1 October 1991
Cultured cells of the Apiaceae, e. g. PETROSELINUM CRISPUM and AMMI MAJUS, produce large quantities of coumarin phytoalexins upon treatment with fungal elicitors and concomitantly reinforce theirExpand
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Corrigendum to “Scyptolin A and B, cyclic depsipeptides from axenic cultures of Scytonema hofmanni PCC 7110” [Phytochemistry 58 (2001) 1087–1095]☆
Ute Matern*, Lukas Oberer, Rocco A. Falchetto, Marcel Erhard, Wilfried A. Konig, Michael Herdman, Jurgen Weckesser Institut fur Biologie II (Mikrobiologie), Albert-Ludwigs-Universitat, SchanzlestraseExpand
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The peptide toxin of the cyanobacterium Microcystis aeruginosa PCC 7941. Isolation and analysis by nuclear magnetic resonance and fast atom bombardment mass spectroscopy.
Toxin was obtained from the cyanobacterium Microcystis aeruginosa PCC7941 by extracting freeze-dried cells with water-saturated, acidified n-butanol, diethyl ether-water distribution, reversed-phaseExpand
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Hofmannolin, a cyanopeptolin from Scytonema hofmanni PCC 7110.
Two depsipeptide metabolites, scyptolin A and B, were reported recently from the axenically grown terrestrial cyanobacterium Scytonema hofmanni PCC 7110. A related, novel depsipeptide was isolatedExpand
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Brefeldin A binds to glutathione S-transferase and is secreted as glutathione and cysteine conjugates by Chinese hamster ovary cells.
Radioactively labeled brefeldin A was used to probe for proteins that interact with this metabolite. The most prominent protein labeled after in vivo incubation of Chinese hamster ovary cells withExpand
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