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Appl Environ Microbiol. 1967 November; 15(6): 1332-1338
Copyright © 1967 American Society for Microbiology. All Rights Reserved.

Growth Yields of Bacteria on Selected Organic Compounds

Department of Bacteriology, University of Georgia, Athens, Georgia 30601

ABSTRACT

Cell yields were determined for two bacterial soil isolants grown aerobically in minimal media on a variety of synthetic organic compounds. 1-Dodecanol, benzoic acid, phenylacetic acid, phenylglyoxylic acid, and diethylene, triethylene, and tetraethylene glycols were tested. Two "biochemicals," succinate and acetate, were also tested for comparison. Yields were calculated on the basis of grams of cells obtained per mole of substrate utilized, gram atom of carbon utilized, mole of oxygen consumed, and equivalent of "available electrons" in the substrates. This latter value appears to be nearly constant at 3 g of cells per equivalent of "available electrons." Yields predicted on this basis for other bacteria and for yeasts on other substrates are in fair agreement with reported values.