Mushroom ligninolytic enzymes: features and application of potential enzymes for conversion of lignin into bio-based chemicals and materials = 버섯 유래의 리그닌 분해 효소

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Title
Mushroom ligninolytic enzymes: features and application of potential enzymes for conversion of lignin into bio-based chemicals and materials = 버섯 유래의 리그닌 분해 효소
Author(s)
Seonghun Kim
Bibliographic Citation
Applied Sciences-Basel, vol. 11, no. 13, pp. 6161-6161
Publication Year
2021
Abstract
Mushroom ligninolytic enzymes are attractive biocatalysts that can degrade lignin through oxido-reduction. Laccase, lignin peroxidase, manganese peroxidase, and versatile peroxidase are the main enzymes that depolymerize highly complex lignin structures containing aromatic or aliphatic moieties and oxidize the subunits of monolignol associated with oxidizing agents. Among these enzymes, mushroom laccases are secreted glycoproteins, belonging to a polyphenol oxidase family, which have a powerful oxidizing capability that catalyzes the modification of lignin using synthetic or natural mediators by radical mechanisms via lignin bond cleavage. The high redox potential laccase within mediators can catalyze the oxidation of a wide range of substrates and the polymerization of lignin derivatives for value-added chemicals and materials. The chemoenzymatic process using mushroom laccases has been applied effectively for lignin utilization and the degradation of recalcitrant chemicals as an eco-friendly technology. Laccase-mediated grafting has also been employed to modify lignin and other polymers to obtain novel functional groups able to conjugate small and macro-biomolecules. In this review, the biochemical features of mushroom ligninolytic enzymes and their potential applications in catalytic reactions involving lignin and its derivatives to obtain value-added chemicals and novel materials in lignin valorization are discussed.
Keyword
LigninLigninolytic enzymeMushroomLaccaseLignin peroxidaseManganese peroxidaseVersatile peroxidaseLignin valorizationLignin bioconversionLaccase-mediated grafting
ISSN
2076-3417
Publisher
MDPI
DOI
http://dx.doi.org/10.3390/app11136161
Type
Article
Appears in Collections:
Jeonbuk Branch Institute > Microbial Biotechnology Research Center > 1. Journal Articles
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