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Biosynthesis of fomannoxin in the root rotting pathogen Heterobasidion occidentale
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- Kälvö, David (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för kemi,Department of Chemistry
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- Menkis, Audrius (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig mykologi och patologi,Department of Forest Mycology and Pathology
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- Olson, Åke (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig mykologi och patologi,Department of Forest Mycology and Pathology
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- Elsevier BV, 2012
- 2012
- English.
- In: Phytochemistry. - : Elsevier BV. - 0031-9422 .- 1873-3700. ; 84, s. 31-39
- Journal article (peer-reviewed)
Abstract
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- Fomannoxin is a biologically active benzohydrofuran, which has been suggested to be involved in the pathogenicity of the root rotting fungus Heterobasidion annosum sensu lato. The biosynthesis of fomannoxin was investigated through an isotopic enrichment study utilizing [1-C-13]glucose as metabolic tracer. C-13 NMR spectroscopic analysis revealed the labeling pattern and showed that the isoprene building block originates from the mevalonic acid pathway, whereas the aromatic motif is formed via the shikimic acid route by elimination of pyruvate from chorismic acid. A natural product, 4-hydroxy-3-(3-methylbut-2-enyl)benzaldehyde (1), was isolated and characterized, and was suggested to be a key intermediate in the biosynthesis of fomannoxin and related secondary metabolites previously identified from the H. annosum fungal species complex. (c) 2012 Elsevier Ltd. All rights reserved.
Subject headings
- NATURVETENSKAP -- Kemi -- Annan kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Other Chemistry Topics (hsv//eng)
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- art (subject category)
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- Kälvö, David
- Menkis, Audrius
- Olson, Åke
- Stenlid, Jan
- Broberg, Anders
- Karlsson, Magnus
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- NATURAL SCIENCES
- NATURAL SCIENCES
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- Phytochemistry
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- Swedish University of Agricultural Sciences
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