Abstract
IT has been shown1,2 that bacteria require a threshold level of an energy source for maintenance without growth. However, there is a possibility that the thresholds observed might represent some form of concentration requirement for permeability. Thus it is desirable to demonstrate directly the uptake of glucose fed at or below the threshold level. Any glucose assimilated in the absence of growth can then be correlated only with a maintenance requirement for a carbon-energy source.
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References
McGrew, S. B., and Mallette, M. F., J. Bacteriol., 83, 844 (1962). Mallette, M. F., Ann N.Y. Acad. Sci., 102, 521 (1963).
Marr, A. G., Nilson, E. H., and Clark, D. J., Ann. N.Y. Acad. Sci., 102, 536 (1963).
Davidson, E. A., Technical Bulletin, No. 4, Packard Instrument Company. Wang, C. H., and Jones, D. E., Biochem. Biophys. Res. Comm., 1, 203 (1959).
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MCGREW, S., MALLETTE, M. Maintenance of Escherichia coli and the Assimilation of Glucose. Nature 208, 1096–1097 (1965). https://doi.org/10.1038/2081096a0
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DOI: https://doi.org/10.1038/2081096a0
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