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J Bacteriol. 1965 December; 90(6): 1578-1588
Copyright © 1965 American Society for Microbiology. All Rights Reserved.

Protein Turnover in Escherichia coli as Measured with an Equilibration Apparatus

^a Laboratory of Biochemical Pharmacology, National Institute of Arthritis and Metabolic Diseases, National Institutes of Health, Bethesda, Maryland

ABSTRACT

LEVINE, ELLIOT M. (National Institutes of Health, Bethesda, Md.). Protein turnover in Escherichia coli as measured with an equilibration apparatus. J. Bacteriol. 90:1578–1588. 1965.—Intercellular protein turnover (the reutilization by one cell of amino acids derived from the protein of another cell) occurs at a rate of 0.16 to 0.18% per hour in nongrowing cultures of Escherichia coli, as determined in an apparatus that rapidly equilibrates the culture fluids of two separated bacterial suspensions.

¹ Present address: Department of Cell Biology, Albert Einstein College of Medicine, Bronx, N.Y.