Rhythmic changes in dry heat resistance of Bacillus subtilis spores after rapid changes in pH
- PMID: 235883
- PMCID: PMC187030
- DOI: 10.1128/am.29.4.565-566.1975
Rhythmic changes in dry heat resistance of Bacillus subtilis spores after rapid changes in pH
Abstract
Heat resistance of freeze-dried Bacillus subtilis spores varied in a rhythmic manner as a function of time between acidification to about pH 1.5 and freezing. A comparable rapid shift to pH 11 produced little change in resistance to heat.
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