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Cited by 300

The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.

Bistability in the Bacillus subtilis K‐state (competence) system requires a positive feedback loop

Open access
Maamar, Hédia, Dubnau, David·2005·Molecular Microbiology

Abstract

Summary: High expression of the transcriptional activator ComK occurs in 10–20% of the cells in stationary phase cultures of Bacillus subtilis strain 168. ComK drives the expression of more than 100 genes constituting the semidormant K‐state, distinct from sporulation and vegetative growth. Among the genes so activated are those that permit competence for genetic transformation. We have addressed the origin of bistability in expression of ComK. We show that bistability requires positive autoregulation at the promoter of comK , but not a potential toggle switch, in which ComK represses the promoter of rok and Rok represses the promoter of comK . We further address the source of the noise that results in the stochastic selection of cells that will express comK . A revised model for the regulation of comK expression is proposed that partially explains bistability.

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Crossref · 10.1111/j.1365-2958.2005.04592.x

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Metadata

Authors
Maamar, H., & Dubnau, D.
Venue
Molecular Microbiology
Publisher
Wiley
Published
2005-03-15
Volume
56
Issue
3
Pages
615-624
ISSN
  • 0950-382X (ISSN-L)
  • 1365-2958
OpenAlex
W2130127788
Cited by
300
References
4
FWCI
10.76
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Bistability in the Bacillus subtilis K‐state (competence) system requires a positive feedback loop. https://app.cochat.ai/papers/10.1111/j.1365-2958.2005.04592.x
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Maamar, H., & Dubnau, D. (2005). Bistability in the Bacillus subtilis K‐state (competence) system requires a positive feedback loop. Molecular Microbiology. https://doi.org/10.1111/j.1365-2958.2005.04592.x

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.