Abstract
Laccase is commonly found in white-rot fungi and catalyses the abstraction of one electron from the phenolic hydroxyl group to polymerize or depolymerize lignin model compounds. Laccase degrades both β-1 and β-O-4 dimers via Cα-Cβ cleavage, Cα oxidation and alkyl-aryl cleavage. Also, aromatic ring cleavage may be detected following the action of laccase. Laccase can also oxidize non-phenolic compounds when primary mediators, such as 2,2′-azinobis(3-ethylbenzthiazoline-6-sulfonate), are co-present. Laccase produces Mn(III) chelates which allow wood-decaying enzymes to penetrate wood cell walls. Laccase is considered to be capable of degrading lignin together with lignin peroxidase and manganese peroxidase.
| Original language | English |
|---|---|
| Pages (from-to) | 183-188 |
| Number of pages | 6 |
| Journal | FEMS Microbiology Letters |
| Volume | 132 |
| Issue number | 3 |
| DOIs | |
| State | Published - 15 Oct 1995 |
Bibliographical note
Funding Information:Works from our laboratory described in this article were supportedb y the Korea Science and Engineering Foundation research grant for SRC (Re- search Center for Molecular Microbiology, Seoul National University).
Keywords
- Laccase
- Lignin degradation
- Phenoxy radical
- White-rot fungi