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Heat Resistance of Native and Demineralized Spores of Bacillus subtilis Sporulated at Different Temperatures

By Alfredo Palop, Francisco J. Sala and Santiago Condón

Abstract

Demineralization reduced heat resistance of B. subtilis spores, but the pattern and magnitude of the reduction depended on sporulation temperature and on heating menstruum pH. The differences in heat resistance of native spores caused by sporulation temperature almost disappeared after demineralization. Demineralized spores were still susceptible to the heat-sensitizing effect of acidic pH

Topics: Physiology and Biotechnology
Publisher: American Society for Microbiology
Year: 1999
OAI identifier: oai:pubmedcentral.nih.gov:91181
Provided by: PubMed Central
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