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Lignin–Enzyme Interactions in the Hydrolysis of Lignocellulosic Biomass

Author:
dos Santos, Antonio Carlos, Ximenes, Eduardo, Kim, Youngmi, Ladisch, Michael R.
Source:
Trends in biotechnology 2019 v.37 no.5 pp. 518-531
ISSN:
0167-7799
Subject:
biomass, cell walls, cellulose, enzymatic hydrolysis, enzymes, hardwood, hydrolysis, lignin, lignocellulose
Abstract:
Lignin is central to overcoming recalcitrance in the enzyme hydrolysis of lignocellulose. While the term implies a physical barrier in the cell wall structure, there are also important biochemical components that direct interactions between lignin and the hydrolytic enzymes that attack cellulose in plant cell walls. Progress toward a deeper understanding of the lignin synthesis pathway – and the consistency between a range of observations over the past 40 years in the very extensive literature on cellulose hydrolysis – is resulting in advances in reducing a major impediment to cellulose conversion: the cost of enzymes. This review addresses lignin and its role in the hydrolysis of hardwood and other lignocellulosic residues.
Agid:
6227704