Current Microbiology

, Volume 6, Issue 5, pp 295–299 | Cite as

Potassium requirements ofSaccharomyces cerevisiae

  • Marina Camacho
  • José Ramos
  • Alonso Rodríguez-Navarro


The growth rate ofSaccharomyces cerevisiae was dependent on K+ content in culture medium in a certain range of K+ concentrations. Above the upper limit of the range, growth did not respond to K+ increase, and below the lower limit, yeast died. Rb+ and Na+ enhanced growth in the range of K+ dependence and decreased the K+ concentration below which cells died. Both Rb+ and Na+ became toxic above a certain Rb+/K+ and Na+/K+ cellular ratio.


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Copyright information

© Springer-Verlag New York Inc. 1981

Authors and Affiliations

  • Marina Camacho
    • 1
  • José Ramos
    • 1
  • Alonso Rodríguez-Navarro
    • 1
  1. 1.Departamento de MicrobiologíaEscuela Técnica Superior de Ingenieros AgrónomosCórdobaSpain

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