Construction of a strain of saccharomyces cerevisiae wine yeast recombinant overexpressing a endopolygalacturonase.

摘要

Construction of a strain of yeast enológicaSaccharomyces cerevisiae recombinant overexpressing a endopolygalacturonase.; Construction of a strain of yeast enológicaSaccharomyces cerevisiae recombinant for the gene PGU1, overexpressing a endopolygalacturonase. Yeast strain synthesizes and secretes a polygalacturonase / pectinase at high concentrations, for use in the wine industry. Improved clarification processes and filtration of wine, without changing its flavor or increasing the methanol level thereof.