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    Author(s): Annele Hatakka; Kenneth E. Hammel
    Date: 2010
    Source: Mycota, Vol. 10 : Industrial applications: 2nd edition. Berlin ; Heidelberg : Springer, 2010: p. 319-340: ISBN: 9783642114571 (rel): 3642114571 (rel).
    Publication Series: Miscellaneous Publication
    PDF: Download Publication  (447.03 KB)

    Description

    Uncertainties in the basic structures of especially lignin but also other components in lignocellulose make fungal biodegradation studies a challenging task. The following properties are important in terms of microbial or enzymatic attack: (1) lignin polymers have compact structures that are insoluble in water and difficult to penetrate by microbes or enzymes, (2) the intermonomeric linkages that account for the rigidity of lignin comprise many kinds of C–C and C–O bonds with the β-aryl ether linkage being the most significant and (3) intermonomeric linkages in lignin are not hydrolyzable. A conclusion from the above items is summarized as follows: (1) polymeric lignin degradation requires extracellular enzymes and/or small molecular weight mediators or factors such as radicals, (2) the lignin degrading system must be unspecific and (3) the enzymes must be oxidative, not hydrolytic.

    Publication Notes

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    Citation

    Hatakka, Annele; Hammel, Kenneth E. 2010. Fungal biodegradation of lignocelluloses. In: Mycota, Vol. 10 : Industrial applications: 2nd edition. Berlin ; Heidelberg : Springer, 2010: p. 319-340: ISBN: 9783642114571 (rel): 3642114571 (rel).

    Keywords

    Wood-decaying fungi, biodegradation, fungi, industrial applications, lignocellulose, brown rot, biotechnology, lignin, cellulose, Basidiomycetes, microbial metabolism, polysaccharides, laccase, chemical reactions, oxidation, hydroquinone, glycopeptides, dehydrogenases, enzymes, decay fungi, wood decay, white rot, bioconversion, biorefining, soft rot, peroxidase, cellobiose, biopulping

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https://www.fs.usda.gov/treesearch/pubs/40827