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Amorpha-4,11-diene synthase catalyses the first probable step in artemisinin biosynthesis.
The endoperoxide sesquiterpene lactone artemisinin and its derivatives are a promising new group of drugs against malaria. Artemisinin is a constituent of the annual herb Artemisia annua L. So far… Expand
Cyanopeptolins, new depsipeptides from the cyanobacterium Microcystis sp. PCC 7806.
- C. Martin, L. Oberer, T. Ino, W. Koenig, M. Busch, J. Weckesser
- Biology, Medicine
- The Journal of antibiotics
- 25 October 1993
Four depsipeptides (peptide lactones), called cyanopeptolins A, B, C and D, have been isolated from the cyanobacterium Microcystis sp. PCC 7806. They possess identical structures consisting of cyclic… Expand
The pathogen causing Dutch elm disease makes host trees attract insect vectors
- G. McLeod, R. Gries, +4 authors G. Gries
- Medicine, Biology
- Proceedings of the Royal Society B: Biological…
- 7 December 2005
Dutch elm disease is caused by the fungal pathogen Ophiostoma novo-ulmi which is transmitted by the native elm bark beetle, Hylurgopinus rufipes. We have found that four semiochemicals (the… Expand
Stoffwechselprodukte von Mikroorganismen. 98. Mitteilung. Phosphinothricin und Phosphinothricyl-Alanyl-Alanin
From cultures of Streptomyces viridochromogenes a new antibiotic, phosphinothricylalanyl-alanine, has been isolated. The new amino acid phosphinothricin is 2-amino-4-methyl-phosphino-butyric acid,… Expand
Identification of Sesquiterpene Hydrocarbons by Gas Phase Analytical Methods
Absence of transient radicular irritation after 5000 spinal anaesthetics with prilocaine.
Biosynthesis of (+)- and (-)-Germacrene D in Solidago canadensis: Isolation and Characterization of Two Enantioselective Germacrene D Synthases.
Two different enantioselective sesquiterpene synthases catalyze the biosynthesis of the enantiomers (+)- and (-)-germacrene D (1 a and 1 b, respectively) in the plant Solidago canadensis, from which… Expand
Evidence for the Existence of a Sulphur Oxygenase in Sulfolobus brierleyi
Summary: A sulphur-oxidizing enzyme was purified to homogeneity from cell-free extracts of mixotrophically grown cells of sulfolobus brierleyi. The enzyme catalysed the oxidation of elemental sulphur… Expand
Enantiomeric specificity of methylsulfonyl-PCBs and distribution of bis(4-chlorophenyl) sulfone, PCB, and DDE methyl sulfones in grey seal tissues.
- C. Larsson, K. Norström, Ioannis Athanansiadis, A. Bignert, W. Koenig, Å. Bergman
- Medicine, Environmental Science
- Environmental science & technology
- 1 October 2004
PCB methyl sulfones (MeSO2-PCBs) are lipophilic PCB metabolites of which five of the environmentally relevant meta/para pairs are chiral (i.e., exist as atropisomeric pairs). Methylsulfonyl-DDE… Expand