Acceleration of the rate of fermentation by Saccharomyces cerevisiae in the presence of ammonium ion

M. Saita, J. C. Slaughter

    Research output: Contribution to journalArticle

    Abstract

    The rate of fermentation of both d-glucose and maltose in a defined medium by a brewing strain of Saccharomyces cerevisiae was found to be dependent on the availability of NH4+. The glycolytic rate did not correlate with intracellular NH4+ and activation by NH4+ was blocked by cycloheximide. The ability of several amino acids to activate glycolysis followed the same order as their effectiveness as sole sources of nitrogen. It therefore seems that NH4+ does not stimulate fermentation through direct activation of glycolytic enzymes, but through its function as a substrate for protein synthesis. © 1984.

    Original languageEnglish
    Pages (from-to)375-378
    Number of pages4
    JournalEnzyme and Microbial Technology
    Volume6
    Issue number8
    Publication statusPublished - Aug 1984

    Keywords

    • ammonium ion
    • fermentation
    • glycolysis
    • Saccharomyces cerevisiae
    • Yeast

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