Abstract:The alpha-glucosidase gene of Candida tsukubaensis is contained within a 3.47 kb BamH1-Mlul fragment which, when introduced into Saccharomyces cerevisiae AH22 on a yeast-Escherichia coli shuttle vector, allows the transformants to utilize maltose as sole carbon source. Thus, the cloned gene confers a dominant selectable phenotype on transformed strains of S. cerevisiae which are otherwise unable to grow in nutrient media containing maltose, dextrin or other alpha-1.4-linked alpha-D-glucopyranosides, specifical… Show more
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