Double mutation of Saccharomyces cerevisiae for enhanced β-d-fructofuranosidase fructohydrolase productivity and application of growth kinetics for parametric significance analysis.

Abstract excerpt

The kinetics of an extracellular β-d-fructofuranosidase fructohydrolase production by Saccharomyces cerevisiae in a chemically defined medium, i.e., sucrose peptone agar yeast extract at pH 6, was investigated. The wild-type was treated with a chemical mutagen, methyl methane sulfonate. Among the six mutants isolated, methyl methane sulfonate-V was found to be a better enzyme producing strain (52±2.4(a)U/mL). The...

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