Deletion ofsigBinBacillus cereusaffects spore properties
Open Access
- 1 November 2005
- journal article
- Published by Oxford University Press (OUP) in FEMS Microbiology Letters
- Vol. 252 (1) , 169-173
- https://doi.org/10.1016/j.femsle.2005.08.042
Abstract
In Bacillus cereus and other gram-positive bacteria the alternative sigma factor σB is an important regulator of the stress response. Deletion of the sigB gene generally leads to a stress-sensitive phenotype of vegetative cells. In this study, we describe the effect of the deletion of the sigB gene in B. cereus on spore properties. In particular, spores of the sigB deletion mutant showed a defect in germination upon exposure to the germinants alanine and inosine.Keywords
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