title: Ion Absorption and Retention by Chlorella pyrenoidosa. III. Selective Accumulation of Rubidium, Potassium and Sodium.
abstract: The selective preference of Chlorella pyrenoidosa for alkali metal cations was found to have the order Rb > K > > > Na. It was demonstrated that a cation of higher preference can replace in the cell cations of lower preference by an ion interchange process.The replacement of Na from the cell by K or Rb occurred against high external Na concentrations up to 450 meq/1 Na.It is suggested that the structural selectivity of the Chlorella cell may be amplified by a chromatographic type repetitive selection process, driven by metabolically dependent unsymmetric shape changes of cellular membranes.
authors.affiliation: Department of Forest Botany and Pathology, State University College of Forestry, Syracuse University, Syracuse, New York 13210.
authors.forename: M
authors.initials: M
authors.lastname: Schaedle
authors.forename: L
authors.initials: L
authors.lastname: Jacobson