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Appl Environ Microbiol. 1975 April; 29(4): 562-564
Copyright © 1975 American Society for Microbiology. All Rights Reserved.

Effects of Cadmium on the Growth and Uptake of Microorganisms¹

^* Department of Food Science and Animal Husbandry, University of Missouri, Columbia, Missouri 65201

ABSTRACT

Six species of microorganisms, Escherichia coli, Bacillus cereus, Lactobacillus acidophilus, Staphylococcus aureus, Streptococcus faecalis and Actinomyces niger, were grown under suitable conditions in appropriate media. Cadmium chloride was added to provide 0, 5, 10, 20, 40, and 80 µg of Cd per ml. At 40 and 80 µg of Cd per ml. E. coli and B. cereus grew well and the other species were repressed. Cd uptake patterns differed significantly among the species tested. The significance of these data with respect to Cd in food chains is discussed.

² Present address: USDA, ARS, University Station, Grand Forks, N. D. 58201.

¹ Animal Science Research Center, Agricultural Experiment Station, journal series no. 6893. Approved by the Director.