3-(2-Hydroxyphenyl)Catechol as Substrate for Proximal meta Ring Cleavage in Dibenzofuran Degradation by Brevibacterium sp. Strain DPO 1361

Dibenzofuran (DBF) has been used in some recent studies as a model compound for investigating the microbial degradation of cyclic biaryl ethers. Public attention has focused on this class of compounds, since it comprises some of the most pernicious and persistent molecules, such as TCDD (2,3,7,8-tet...

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Bibliographic Details
Published in:Journal of bacteriology 1991-10, Vol.173 (19), p.6311-6311
Main Authors: Strubel, V., Engesser, K.H., Fischer, P., Knackmuss, H.J.
Format: Article
Language:English
Subjects:
AROMATICS
BACTERIA
BIODEGRADATION
CHEMICAL REACTIONS
DECOMPOSITION
DEVELOPERS
DIOXIN
ETHERS
FURANS
HETEROCYCLIC COMPOUNDS
HYDROXY COMPOUNDS
MICROORGANISMS
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
PHENOLS
POLYPHENOLS 560300 > Chemicals Metabolism & Toxicology
PYROCATECHOL
RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT
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Summary:Dibenzofuran (DBF) has been used in some recent studies as a model compound for investigating the microbial degradation of cyclic biaryl ethers. Public attention has focused on this class of compounds, since it comprises some of the most pernicious and persistent molecules, such as TCDD (2,3,7,8-tetrachlorodibenzo-p-dioxin). For DBF, the most simple cyclic biaryl ether, a novel degradation mechanism involving angular dioxygenation has been described with 3-(2-hydroxyphenyl)catechol (HPC) as a central intermediate. Definite proof for this mechanism is presented in this paper, and the total degradation of DBF by Brevibacterium is described.
ISSN:0021-9193
1098-5530
DOI:10.1128/JB.173.19.6311-6311.1991