A review of lignocellulose bioconversion using enzymatic hydrolysis and synergistic cooperation between enzymes-Factors affecting enzymes, conversion and synergy

被引：912

作者：

Van Dyk, J. S. ^{[1
]}

Pletschke, B. I. ^{[1
]}

机构：

[1] Rhodes Univ, Dept Biochem Microbiol & Biotechnol, ZA-6140 Grahamstown, South Africa

来源：

BIOTECHNOLOGY ADVANCES | 2012年 / 30卷 / 06期

关键词：

Bioconversion; Cooperation; Hydrolysis; Lignocellulose; Synergy; CARBOHYDRATE-BINDING MODULES; ALPHA-L-ARABINOFURANOSIDASE; GLYCOSIDE HYDROLASE FAMILY; STEAM-PRETREATED SPRUCE; ACID-SWOLLEN CELLULOSE; BREWERS SPENT GRAIN; WHITE-ROT FUNGI; CORN STOVER; CLOSTRIDIUM-CELLULOVORANS; TRICHODERMA-REESEI;

D O I：

10.1016/j.biotechadv.2012.03.002

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 [微生物学]; 090105 [作物生产系统与生态工程];

摘要：

Lignocellulose is a complex substrate which requires a variety of enzymes, acting in synergy, for its complete hydrolysis. These synergistic interactions between different enzymes have been investigated in order to design optimal combinations and ratios of enzymes for different lignocellulosic substrates that have been subjected to different pretreatments. This review examines the enzymes required to degrade various components of lignocellulose and the impact of pretreatments on the lignocellulose components and the enzymes required for degradation. Many factors affect the enzymes and the optimisation of the hydrolysis process, such as enzyme ratios, substrate loadings, enzyme loadings, inhibitors, adsorption and surfactants. Consideration is also given to the calculation of degrees of synergy and yield. A model is further proposed for the optimisation of enzyme combinations based on a selection of individual or commercial enzyme mixtures. The main area for further study is the effect of and interaction between different hemicellulases on complex substrates. (c) 2012 Elsevier Inc. All rights reserved.

引用

页码：1458 / 1480

页数：23

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