NDLI: Studies of the release of small molecules during pressure germination of spores of Bacillus subtilis

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Studies of the release of small molecules during pressure germination of spores of Bacillus subtilis

Content Provider	Scilit
Author	Vepachedu, V. R. Hirneisen, K. Hoover, D. G. Setlow, P.
Copyright Year	2007
Description	Journal: Letters in applied microbiology To measure rates of release of small molecules during pressure germination of Bacillus subtilis spores, and the role of SpoVA proteins in dipicolinic acid (DPA) release. Rates of DPA release during B. subtilis spore germination with pressures of 150 or 500 megaPascals were much higher in spores with elevated levels of SpoVA proteins, and spores with a temperature-sensitive mutation in the spoVA operon were temperature-sensitive in DPA release during pressure germination. Spores also released arginine and glutamic acid, but not AMP, during pressure germination. Pressure germination of B. subtilis spores causes release of many small molecules including DPA. SpoVA proteins are involved in the release of DPA, perhaps because SpoVA proteins are a component of a DPA channel in the spore's inner membrane. This work provides new insight into the mechanism of pressure germination of spores of Bacillus species, a process that has significant potential for usage in the food industry.
Ending Page	348
Starting Page	342
ISSN	2573508X
e-ISSN	1472765X
DOI	10.1111/j.1472-765x.2007.02204.x
Journal	Letters in applied microbiology
Issue Number	3
Volume Number	45
Language	English
Publisher	Wiley-Blackwell
Publisher Date	2007-09-01
Access Restriction	Open
Subject Keyword	Journal: Letters in applied microbiology Biotechnology and Microbiology Dipicolinic Acid Pressure Germination Spore Germination
Content Type	Text
Resource Type	Article

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