期刊
BIOTECHNOLOGY AND BIOENGINEERING
卷 114, 期 3, 页码 696-700出版社
WILEY
DOI: 10.1002/bit.26179
关键词
synergism; cellobiohydrolase; endoglucanase; Cel7A; Cel7B; synergy
资金
- Danish Council for Strategic Research, Program Commission on Sustainable Energy and Environment [11-116772]
Synergy between cellulolytic enzymes is important for their industrial utilization, and numerous studies have addressed the problem of how to optimize the composition of enzyme cocktails with respect to this. The degree of synergy (DS) may change with substrate conversion, and some studies have suggested a maximum in DS early in the process. Here, we systematically investigated interrelationships of DS and conversion in a model system covering a wide range of experimental conditions. The results did not reveal any correlation between DS and contact time, but when plotted against the degree of substrate conversion we saw a systematic increase in DS. We suggest that this is linked to a decreasing reactivity of the substrate. Hence, synergy became increasingly important as the recalcitrance of the remaining substrate grew. Such conversion dependent changes in DS appear to be important both in mechanistic studies and attempts to find industrial enzymes blends with optimal synergy. Biotechnol. Bioeng. 2017;114: 696-700. (c) 2016 Wiley Periodicals, Inc.
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