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B. Setlow, J. Yu, Y.-Q. Li and P. Setlow Analysis of the germination kinetics of individual Bacillus subtilis spores treated with hydrogen peroxide or sodium hypochlorite Letters in Applied Microbiology 57

Version of Record online: 26 JUN 2013 | DOI: 10.1111/lam.12113

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Significance and Impact of the Study: This work shows that with Bacillus subtilis spore populations in which approximately 95% of individual spores were killed by several oxidizing agents, >95% of the spores in these populations germinated with nutrients, albeit slowly. This is important, as assay of an early germination event, release of dipicolinic acid, has been suggested as a rapid assay for spore viability and would give false-positive readings for the level of the killing of oxidizing agent-treated spore populations. Analysis of the germination kinetics of multiple individual untreated or oxidizing agent-treated spores also provides new information on proteins damaged by oxidizing agent treatment, and at least some of which are in spores' inner membrane.

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