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

    Fingerprint

    Ammonium Compounds
    Fermentation
    Saccharomyces cerevisiae
    Ions
    Enzyme Activation
    Maltose
    Glycolysis
    Cycloheximide
    Nitrogen
    Amino Acids
    Glucose
    Proteins

    Keywords

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

    Cite this

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    Acceleration of the rate of fermentation by Saccharomyces cerevisiae in the presence of ammonium ion. / Saita, M.; Slaughter, J. C.

    In: Enzyme and Microbial Technology, Vol. 6, No. 8, 08.1984, p. 375-378.

    Research output: Contribution to journalArticle

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    AU - Slaughter, J. C.

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    AB - 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.

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