Increased Heat Resistance of Geobacillus stearothermophilus Spores Heat-Shocked During Sporulation

The purpose of this study was to measure the heat resistance and core mineral content of Geobacillus stearothermophilus ATCC 7953 spores when the sporulating cells were exposed to heat shock at different times during sporulation. Heat shock during sporulation was found to increase the heat resistanc...

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Veröffentlicht in:	Journal of microbiology and biotechnology 2006, 16(4), , pp.633-636
Hauptverfasser:	Lee, S.W. (Sungkyunkwan University, Suwon, Republic of Korea), Sim, S.J. (Sungkyunkwan University, Suwon, Republic of Korea), E-mail: simsj@skku.edu
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Biotechnology CHOC ESPORULACION ESTRES TERMICO Fundamental and applied biological sciences. Psychology Geobacillus stearothermophilus HEAT STRESS HEAT TOLERANCE SHOCK SPORULATION STRESS THERMIQUE TOLERANCE A LA CHALEUR TOLERANCIA AL CALOR 생물학
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Beschreibung
Zusammenfassung:	The purpose of this study was to measure the heat resistance and core mineral content of Geobacillus stearothermophilus ATCC 7953 spores when the sporulating cells were exposed to heat shock at different times during sporulation. Heat shock during sporulation was found to increase the heat resistance of the spores produced subsequently. The spores heat shocked 2 h after the end of the exponential phase showed the highest heat resistance and a 30-fold increase in the d∧10 compared with the non-heat-shocked spores.
ISSN:	1017-7825