Growth and macromolecular composition of a psychrophile,Micrococcus cryophilus,at elevated temperatures |
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| Authors: | R. J. H. Gray H. Jackson |
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| Affiliation: | (1) Department of Food Science, University of Alberta, Edmonton, Alberta, Canada;(2) Present address: Department of Food Science, University of Illinois, Urbana, Illinois, USA |
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| Abstract: | A psychrophilic bacterium,Micrococcus cryophilus, was found to have a maximum growth temperature of 26 C in glutamate salts minimal medium. Macromolecular composition at various temperatures of incubation is reported. When cultures were transferred to temperatures in excess of maximum for growth, the levels of protein and DNA remained fairly constant, whereas the level of RNA fell drastically. The significance of these findings in relation to thermal injury is discussed. |
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