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Fungal hydroxylation of dibenzofuran

Published online by Cambridge University Press:  01 April 1997

ELKE HAMMER
Affiliation:
Institut für Mikrobiologie und Molekularbiologie, Ernst-Moritz-Arndt-Universität Greifswald, F.-L.-Jahnstr. 15, D-17487 Greifswald, Germany
FRIEDER SCHAUER
Affiliation:
Institut für Mikrobiologie und Molekularbiologie, Ernst-Moritz-Arndt-Universität Greifswald, F.-L.-Jahnstr. 15, D-17487 Greifswald, Germany
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Abstract

Strains (47) of 14 genera isolated from soil and woody chips were tested for their ability to oxidize dibenzofuran, a model compound for highly chlorinated dibenzofuran pollutants. Thirty strains formed one or more isomers of monohydroxylated dibenzofurans identified by chemical structure analysis with hplc and GC-MS, indicating an active monooxygenase system widely distributed in filamentous fungi. Dihydroxylated derivatives were detected in only very low amounts and some degradation products were observed. A few fungi metabolized dibenzofuran only to intermediates with hydrophilic characteristics (eight strains) and nine strains showed no transformation capability. The transformation reactions were not inducible and seemed to be strain-specific.

Type
Research Article
Copyright
The British Mycological Society 1997

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