Ion Absorption and Retention by Chlorella pyrenoidosa. III. Selective Accumulation of Rubidium, Potassium and Sodium | Zendy

M. Schaedle | Zendy; Louis Jacobson | Zendy

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Ion Absorption and Retention by Chlorella pyrenoidosa. III. Selective Accumulation of Rubidium, Potassium and Sodium

Author(s) -

M. Schaedle,

Louis Jacobson

Publication year - 1967

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.42.7.953

Subject(s) - chlorella pyrenoidosa , rubidium , potassium , selectivity , sodium , chemistry , alkali metal , ion exchange , ion , inorganic chemistry , chlorella , absorption (acoustics) , biophysics , biochemistry , chromatography , botany , biology , organic chemistry , materials science , algae , composite material , catalysis

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.

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