期刊
JOURNAL OF MOLECULAR MICROBIOLOGY AND BIOTECHNOLOGY
卷 23, 期 4-5, 页码 370-378出版社
KARGER
DOI: 10.1159/000351358
关键词
Cellulosome; Cellulosome assembly; Cohesin-dockerin interaction; Substrate-dependent cellulosome production; Synergistic action; Functional diversity; Arming effect
Cellulose, a primary component of lignocellulosic biomass, is the most abundant carbohydrate polymer in nature. Only a limited number of microorganisms are known to degrade cellulose, which is highly recalcitrant due to its crystal structure. Anaerobic bacteria efficiently degrade cellulose by producing cellulosomes, which are complexes of cellulases bound to scaffoldins. The underlying mechanisms that are responsible for the assembly and efficiency of cellulosomes are not yet fully understood. The cohesin-dockerin specificity has been extensively studied to understand cellulosome assembly. Moreover, the recent progress in proteomics has enabled integral analyses of the growth-substrate-dependent variations in cellulosomal systems. Furthermore, the proximity and targeting effects of cellulosomal synergistic actions have been investigated using designed minicellulosomes. The recent findings about cellulosome assembly, strategies for optimal cellulosome production, and beneficial features of cellulosomes as an arming microcompartment on the microbial cell surface are summarized here. Copyright (C) 2013 S. Karger AG, Basel
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