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. 1975 Apr;29(4):565-6.
doi: 10.1128/am.29.4.565-566.1975.

Rhythmic changes in dry heat resistance of Bacillus subtilis spores after rapid changes in pH

Rhythmic changes in dry heat resistance of Bacillus subtilis spores after rapid changes in pH

R J Heckly et al. Appl Microbiol. 1975 Apr.

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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