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J Bacteriol. 2007 Dec;189(23):8754-7. Epub 2007 Oct 5.

Expression of the sigmaF-directed csfB locus prevents premature appearance of sigmaG activity during sporulation of Bacillus subtilis.

Author information

1
Department of Microbiology and Immunology, Temple University School of Medicine, 3400 North Broad St., Philadelphia, PA 19140, USA.

Abstract

During sporulation, sigma(G) becomes active in the prespore upon the completion of engulfment. We show that the inactivation of the sigma(F)-directed csfB locus resulted in premature activation of sigma(G). CsfB exerted control distinct from but overlapping with that exerted by LonA to prevent inappropriate sigma(G) activation. The artificial induction of csfB severely compromised spore formation.

PMID:
17921305
PMCID:
PMC2168958
DOI:
10.1128/JB.01265-07
[Indexed for MEDLINE]
Free PMC Article

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