Linking Enzymatic Oxidative Degradation of Lignin to Organics Detoxification

文献类型： 外文期刊

第一作者： Wang, Xiaolu

作者： Wang, Xiaolu;Yao, Bin;Su, Xiaoyun

作者机构：

关键词： laccase; manganese peroxidase (MnP); lignin peroxidase (LiP); versatile peroxidase (VP); dye-decolorization peroxidase (DyP); lignin; detoxification

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.923； 五年影响因子：6.132 ）

ISSN： 1422-0067

年卷期： 2018 年 19 卷 11 期

页码：

收录情况： SCI

摘要： The major enzymes involved in lignin degradation are laccase, class II peroxidases (lignin peroxidase, manganese peroxidase, and versatile peroxidase) and dye peroxidase, which use an oxidative or peroxidative mechanism to deconstruct the complex and recalcitrant lignin. Laccase and manganese peroxidase directly oxidize phenolic lignin components, while lignin peroxidase and versatile peroxidase can act on the more recalcitrant non-phenolic lignin compounds. Mediators or co-oxidants not only increase the catalytic ability of these enzymes, but also largely expand their substrate scope to those with higher redox potential or more complicated structures. Neither laccase nor the peroxidases are stringently selective of substrates. The promiscuous nature in substrate preference can be employed in detoxification of a range of organics.

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