Oxidation of acenaphthene and acenaphthylene by laccase of Trametes versicolor in a laccase-mediator system

被引：55

作者：

Johannes, C ^{[1
]}

Majcherczyk, A ^{[1
]}

Hüttermann, A ^{[1
]}

机构：

[1] Univ Gottingen, Inst Forest Bot, D-37077 Gottingen, Germany

来源：

JOURNAL OF BIOTECHNOLOGY | 1998年 / 61卷 / 02期

关键词：

laccase; laccase-mediator system; acenaphthene; acenaphthylene; PAK; Trametes versicolor;

D O I：

10.1016/S0168-1656(98)00030-3

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Laccase of Trametes versicolor in combination with 1-hydroxybenzotriazole (HBT) was able to oxidise two polycyclic aromatic hydrocarbons, acenaphthene and acenaphthylene; both compounds were metabolised completely after 70-h incubation. Laccase alone oxidised about 35% of the acenaphthylene and only 3% of the acenaphthene. Single compounds found in a complex mixture of oxidation products were identified. Main products detected after the incubation were 1,2-acenaphthenedione and 1,8-naphthalic acid anhydride. The proposed oxidation pathway seems to be analogous to the metabolism reported for bacteria and mammals. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：151 / 156

页数：6

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