Abstract
Heterologous secretory expression of endoglucanase E (Clostridium thermocellum) and β-glucosidase 1 (Saccharomycopsis fibuligera) was achieved in Saccharomyces cerevisiae fermentation cultures as an α-mating factor signal peptide fusion, based on the native enzyme coding sequence. Ethanol production depends on simultaneous saccharification of cellulose to glucose and fermentation of glucose to ethanol by a recombinant yeast strain as a microbial biocatalyst. Recombinant yeast strain expressing endoglucanase and β-glucosidase was able to produce ethanol from β-glucan, CMC and acid swollen cellulose. This indicates that the resultant yeast strain of this study acts efficiently as a whole cell biocatalyst.
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Jeon, E., Hyeon, Je., Suh, D.J. et al. Production of cellulosic ethanol in Saccharomyces cerevisiae heterologous expressing Clostridium thermocellum endoglucanase and Saccharomycopsis fibuligera β-glucosidase genes. Mol Cells 28, 369–373 (2009). https://doi.org/10.1007/s10059-009-0131-y
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DOI: https://doi.org/10.1007/s10059-009-0131-y