Abstract
A stable strain of Saccharomyces cerevisiae secreting glucoamylase (EC 3.2.1.3) with high debranching activity was constructed using recombinant DNA technology. An expression cassette without bacterial sequences, containing Hormoconis resinae glucoamylase P cDNA and the dominant selection marker MEL1 was integrated into the yeast chromosome using ARS1 homology. The glucoamylase expression level of the integrant yeast strain was increased by chemical mutagenesis. The yeast strains secreting glucoamylase were able to grow on soluble starch (5%, w/v) and ferment it to ethanol.
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Vainio, A.E.I., Lantto, R., Parkkinen, E.E.M. et al. Production of Hormoconis resinae glucoamylase P by a stable industrial strain of Saccharomyces cerevisiae . Appl Microbiol Biotechnol 41, 53–57 (1994). https://doi.org/10.1007/BF00166081
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DOI: https://doi.org/10.1007/BF00166081


