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Article

Effects of spo0 mutations on spo0A promoter switching at the initiation of sporulation in Bacillus subtilis.

Journal of bacteriology - 1 Aug 1995

Chibazakura T, Kawamura F, Asai K, Takahashi H

Abstract excerpt

Transcriptional analyses of the Bacillus subtilis sporulation initiator gene spo0A revealed that promoter switching from the vegetative (Pv) to the sporulation-specific (Ps) promoter did not occur in the spo0A, spo0B, spo0E, spo0F, and spo0H mutants. The sof-1 mutation in spo0A restored the promoter switching in the spo0F mutant. These results strongly suggest that Spo0A plays a central role in the regulation of...

Topics

Bacillus subtilis
Bacterial Proteins
Gene Expression Regulation, Bacterial
Mutation
Promoter Regions, Genetic
RNA, Bacterial
Spores
Transcription Factors
Transcription, Genetic
beta-Galactosidase

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Identifiers

PMID: 7543482
DOI: 10.1128/jb.177.15.4520-4523.1995
PMCID: PMC177206

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 29 Aug 2026. Prepared record publication-7543482-2026-08-29.1. Manifest publication-graph-cohort-2026-08-29.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 29 Aug 2026.

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Effects of spo0 mutations on spo0A promoter switching at the initiation of sporulation in Bacillus subtilis.PMID 7543482Read ↗

Spo0A mutants of Bacillus subtilis with sigma factor-specific defects in transcription activation.Semantic proximity Read ↗

A region in the Bacillus subtilis transcription factor Spo0A that is important for spoIIG promoter activation.Semantic proximity Read ↗

Signal transduction and sporulation in Bacillus subtilis: autophosphorylation of Spo0A, a sporulation initiation gene product.Semantic proximity Read ↗

Localization of a new promoter, P5, in the sigA operon of Bacillus subtilis and its regulation in some spo mutant strains.Semantic proximity Read ↗

Identification of a Bacillus subtilis spo0H allele that is necessary for suppression of the sporulation-defective phenotype of a spo0A mutation.Semantic proximity Read ↗

The spoIIIA locus is not a major determinant of prespore-specific gene expression during sporulation in Bacillus subtilis.Semantic proximity Read ↗

Temporal regulation of the Bacillus subtilis early sporulation gene spo0F.Semantic proximity Read ↗

Spo0A activates and represses its own synthesis by binding at its dual promoters.Semantic proximity Read ↗

Mutational dissociation of the positive and negative regulatory properties of the Spo0A sporulation transcription factor of Bacillus subtilis.Semantic proximity Read ↗

Activation of spo0A transcription by sigma H is necessary for sporulation but not for competence in Bacillus subtilis.Semantic proximity Read ↗

Molecular and phenotypic characterization of promoter-proximal mutations in the spoIIA locus of Bacillus subtilis.Semantic proximity Read ↗

Evidence that the transcriptional activator Spo0A interacts with two sigma factors in Bacillus subtilis.Semantic proximity Read ↗

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