Abstract
Representatives of five genera of psychroactive oligotrophic bacteria, Arcocella, Renobacter, Spirosoma, Caulobacter, and Methylobacterium, were for the first time shown to be capable of growing at a negative temperature (−2°C). Long-term cultivation (for 116 days) at a low temperature under limitation by the carbon source is stressful for oligotrophic bacteria and leads to the death of a part of the cell population. The number of viable cells of Caulobacter crescentus decreased by two to three orders of magnitude. Over the studied period of time, Renobacter vacuolatum cells retained viability at a low temperature, whereas, at room temperature, the titer of colony-forming cells decreased by two orders of magnitude under starvation stress.
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Translated from Mikrobiologiya, Vol. 73, No. 6, 2004, pp. 758–762.
Original Russian Text Copyright © 2004 by Slabova, Nikitin.
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Slabova, O.I., Nikitin, D.I. Influence of the incubation temperature on the reaction of oligotrophic bacteria to stress. Microbiology 73, 650–653 (2004). https://doi.org/10.1007/s11021-005-0005-z
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DOI: https://doi.org/10.1007/s11021-005-0005-z