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Site csgA
- Name: csgA
- Type: Gene
- Synonyms
b1042 MG1655 locus tag - Mnemonic: curlin sigma-S (stat.phase) dependent growth
- Left End Point: 23.79
- Right End Point: 23.80
- Products:
curlin, fiber subunit - Direction: >
- Priority: 0
- 1 Alleles of This Gene
csgA784(del)::kan - External Database Links:
Host Site Page Links EcoGene.org EG11489 EcoliWiki csgA - Comment:
- csgA promoter is dependent on stationary phase-specific sigma S. Perhaps indirectly through csgD which requires sigma S for transcr.
- References:
- Olsen, A., A. Jonsson, S. Normark 1989. Fibronectin binding mediated by a novel class of surface organelles on Escherichia coli. Nature 338:652-655
- Arnqvist, A., A. Olsen, J. Pfeifer, D.G. Russell, S. Normark 1992. The Crl protein activates cryptic genes for curli formation and fibronectin binding in Escherichia coli-HB101. Mol.Microbiol. 6:2443-2452
- Olsen, A., A. Arnqvist, S. Sukupolvi, S. Normark 1993. The RpoS sigma factor relieves H-NS-mediated transcriptional repression of csgA, the subunit gene of fibronectin-binding curli in Escherichia coli. Mol.Microbiol. 7:523-536
- Olsen, A., A. Arnqvist, M. Hammar, S. Normark 1993. Environmental regulation of curli production in Escherichia coli. Infect.Agents Dis 2:272-274
- Arnqvist, A., A. Olsen, S. Normark 1994. Sigma^S-dependent growth-phase induction of the csgBA promoter in Escherichia coli can be achieved in vivo by sigma^70 in the absence of the nucleoid-associated protein H-NS. Mol.Microbiol. 13:1021-1032
- Hammar, M., A. Arnqvist, Z. Bian, A. Olsen, S. Normark 1995. Expression of two csg operons is required for production of fibronectin- and congo red-binding curli polymers in Escherichia coli K-12. Mol.Microbiol. 18:661-670
- Loferer, H., M. Hammar, S. Normark 1997. Availability of the fibre subunit CsgA and the nucleator protein CsgB during assembly of fibronectin-binding curli is limited by the intracellular concentration of the novel lipoprotein CsgG. Mol.Microbiol. 26:1
- Vidal, O., R. Longin, C. Prigent-Combaret, C. Dorel-Flamant, M. Hooreman, P. Lejeune 1998. Isolation of an Escherichia coli K-12 mutant strain able to form biofilms on inert surfaces: involvement of a new ompR allele that increases curli expression. J.
- Romling, U., Z. Bian, M. Hammar, W.D. Sierralta, S. Normark 1998. Curli fibers are highly conserved between Salmonella typhimurium and Escherichia coli with respect to operon structure and regulation. J.Bacteriol. 180:722-731