Germacrene A–A Central Intermediate in Sesquiterpene Biosynthesis
نویسندگان
چکیده
منابع مشابه
Germacrene D, a common sesquiterpene in the genus Bursera (Burseraceae).
The volatile components of the leaves of five Bursera species, B. copallifera, B. exselsa, B. mirandae, B. ruticola and B. fagaroides var. purpusii were determined by gas chromatography-mass spectrometry (GC-MS). Germacrene D was one of the predominant components (15.1-56.2%) of all of these species. Germacrene D has also been found in other Bursera species and some species of Commiphora, the s...
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Sprouts of chicory (Cichorium intybus), a vegetable grown in the dark, have a slightly bitter taste associated with the presence of guaianolides, eudesmanolides, and germacranolides. The committed step in the biosynthesis of these compounds is catalyzed by a (1)-germacrene A synthase. Formation of the lactone ring is the postulated next step in biosynthesis of the germacrene-derived sesquiterpe...
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Chicory (Cichorium intybus) sesquiterpene lactones were recently shown to be derived from a common sesquiterpene intermediate, (+)-germacrene A. Germacrene A is of interest because of its key role in sesquiterpene lactone biosynthesis and because it is an enzyme-bound intermediate in the biosynthesis of a number of phytoalexins. Using polymerase chain reaction with degenerate primers, we have i...
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The daisy-like flowers of pyrethrum (Tanacetum cinerariifolium) are used to extract pyrethrins, a botanical insecticide with a long history of safe and effective use. Pyrethrum flowers also contain other potential defense compounds, particularly sesquiterpene lactones (STLs), which represent problematic allergenic residues in the extracts that are removed by the pyrethrum industry. The STLs are...
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Regulation of biosynthesis Plastoquinone, ph ylloquinone and a-tocopherol are present in much lower amounts in etiolated tissue compared with green tissue, and the increase in these compounds on illumination is concomitant with the formation of the thylakoid membrane. This is perhaps the major regulatory level in biosynthesis of chloroplastidic quinones and chromanols. Evidence for lightdepende...
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ژورنال
عنوان ژورنال: Chemistry – A European Journal
سال: 2020
ISSN: 0947-6539,1521-3765
DOI: 10.1002/chem.202002163