Biodegradation of Lignin
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TL;DR: This paper focuses on the characterization of the phytochemical properties of lignin and its application in the context of 14C-Labeled Lignins.
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Abstract: Introduction
Historical Outline
Bacteria and Microfungi
Actinomycetes
Other Bacteria
Soft-Rot Fungi and Other Microfungi
Brown-Rot Basidiomycetes
White-Rot Basidiomycetes
Mineralization of 14C-Labeled Lignins
Ligninolytic Enzymes
Catabolism of Primary Degradation Products
Outlook and Perspectives
Patents
Keywords:
lignin;
wood;
lignocellulose;
white-rot fungi;
brown-rot fungi;
soft-rot fungi;
actinomycetes;
lignin peroxidase;
manganese peroxidase;
laccase;
molecular biology;
radicals;
mediators;
manganese;
veratryl alcohol;
oxalate;
vanillic acid
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Citations
Fungal laccases - occurrence and properties.
TL;DR: The fact that laccases only require molecular oxygen for catalysis makes them suitable for biotechnological applications for the transformation or immobilization of xenobiotic compounds.
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TL;DR: A detailed description of low molecular weight compounds is presented, which gives these organisms not only an advantage in wood degradation processes, but seems rather to be a new evolutionatory alternative to enzymatic combustion.
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Review on the current status of polymer degradation: a microbial approach
Vinay Mohan Pathak,Navneet +1 more
TL;DR: The occurrence and distribution of microbes that are involved in the degradation of both natural and synthetic polymers are described and it seems that biological agents and their metabolic enzymes can be exploited as a potent tool for polymer degradation.
Molecular characterization of dissolved organic matter (DOM): a critical review
TL;DR: Advances in water chemistry in the last decade have improved knowledge about the genesis, composition, and structure of dissolved organic matter, and its effect on the environment, and improved purification methods have enabled facile desalting and concentration of freshly collected DOM samples, thereby complementing the analytical process.
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References
Activity of Free and Immobilized Extracellular Cerrena unicolor Laccase in Water Miscible Organic Solvents
Jolanta Luterek,L. Gianfreda,Maria Wojtaś-Wasilewska,Nam-Seok Cho,Jerzy Rogalski,Magdalena Jaszek,Elzbieta Malarczyk,M. Staszczak,M. Fink-Boots,Andrzej Leonowicz +9 more
TL;DR: The results show that Cerrena unicolor laccase both in free and immobilized form is able to catalyze the oxidation of syringaldazine in organic solvents and may be usable in transformation of substrates insoluble or sparingly soluble in water.
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In vitro degradation of natural insoluble lignin in aqueous media by the extracellular peroxidases of Phanerochaete chrysosporium.
TL;DR: Results suggest that MNP increases the effectiveness of LIP-mediated lignin degradation, and released low-concentration compounds with mass spectra containing the typical lIGNin-derived electron-impact fragments of mass 107, 137, 151, 167, and 181.
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Evidence for formation of the veratryl alcohol cation radical by lignin peroxidase
TL;DR: In this paper, electron spin resonance (ESR) evidence for the formation of the one-electron oxidized intermediate, the veratryl alcohol cation radical (VA.+), was presented.
37
Metabolism of non-phenolic β-O-4 lignin model compounds by the white-rot fungus Phlebia radiata
TL;DR: The degradation of three non-phenolic β-O-4 diarylpropane lignin model compounds was studied in cultures of the white-rot fungus Phlebia radiata and indicated that, in P. radiata cultures, the acting enzymes were lign in peroxidases and IV reducing enzyme, while laccase was less important.
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