Conversion of polychlorophenols by laccases with 1-hydroxybenzotriazole as a mediator

The action of purified laccase from the basidial fungi Cerrena unicolor and Trametes sp. on 2,4,6-trichlorophenol (2,4,6-TCP) and pentachlorophenol (PCP) was studied, including reactions involving 1-hydroxybenzotriazole as a mediator. Oxidation of 2,4,6-TCP by laccase without the mediator yielded 2,...

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Bibliographic Details
Published in:Applied biochemistry and microbiology 2007-11, Vol.43 (6), p.616-619
Main Authors: Lisov, A V, Pozhidaeva, Z A, Stepanova, E V, Koroleva, O V, Leontievsky, A A
Format: Article
Language:English
Subjects:
Biochemistry
Cerrena unicolor
Enzymes
Fungi
Microbiology
Pentachlorophenol
Trametes
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Summary:The action of purified laccase from the basidial fungi Cerrena unicolor and Trametes sp. on 2,4,6-trichlorophenol (2,4,6-TCP) and pentachlorophenol (PCP) was studied, including reactions involving 1-hydroxybenzotriazole as a mediator. Oxidation of 2,4,6-TCP by laccase without the mediator yielded 2,6-dichlorobenzoquinone as a primary conversion product, whereas PCP was not oxidized. Products of further conversion of 2,4,6-TCP and PCP formed with the presence of the mediator.
ISSN:0003-6838
1608-3024
DOI:10.1134/S0003683807060087