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AgfD, the checkpoint of multicellular and aggregative behaviour in Salmonella typhimurium regulates at least two independent pathways.
Römling U, Rohde M, Olsén A, Normark S, Reinköster J. Römling U, et al. Mol Microbiol. 2000 Apr;36(1):10-23. doi: 10.1046/j.1365-2958.2000.01822.x. Mol Microbiol. 2000. PMID: 10760159
Screening of transcriptional fusions for agfD dependency uncovered adrA, a homologue of yaiC in Escherichia coli. Environmental factors regulating adrA correspond to the regulation of thin aggregative fimbriae. AdrA is a putative transmembrane protein with a
Screening of transcriptional fusions for agfD dependency uncovered adrA, a homologue of yaiC in Escherichia coli. Environmental facto …
Identification of two protein-binding and functional regions of curli, a surface organelle and virulence determinant of Escherichia coli.
Olsén A, Herwald H, Wikström M, Persson K, Mattsson E, Björck L. Olsén A, et al. J Biol Chem. 2002 Sep 13;277(37):34568-72. doi: 10.1074/jbc.M206353200. Epub 2002 Jul 3. J Biol Chem. 2002. PMID: 12097335
A remarkable property of curli is their ability to interact with a wide range of human proteins, interactions that contribute to the enhanced virulence of curli-expressing E. coli. ...Two peptides, one covering a 24-amino acid residue sequence in the NH(2)-te
A remarkable property of curli is their ability to interact with a wide range of human proteins, interactions that contribute
Expression of two csg operons is required for production of fibronectin- and Congo red-binding curli polymers in Escherichia coli K-12.
Hammar MR, Arnqvist A, Bian Z, Olsén A, Normark S. Hammar MR, et al. Mol Microbiol. 1995 Nov;18(4):661-670. doi: 10.1111/j.1365-2958.1995.mmi_18040661.x. Mol Microbiol. 1995. PMID: 28776848
The csgBA operon encodes CsgA, the major subunit protein of the fibre, and CsgB, a protein with sequence homology to CsgA. A non-polar csgB mutant is unaffected in its production of CsgA, but the subunit protein is not assembled into insoluble fibre polymers. ...No …
The csgBA operon encodes CsgA, the major subunit protein of the fibre, and CsgB, a protein with sequence homology to CsgA. A n …
Generation of a mature streptococcal cysteine proteinase is dependent on cell wall-anchored M1 protein.
Collin M, Olsén A. Collin M, et al. Mol Microbiol. 2000 Jun;36(6):1306-18. doi: 10.1046/j.1365-2958.2000.01942.x. Mol Microbiol. 2000. PMID: 10931281
In the present study, we have generated a mutant strain of Streptococcus pyogenes, MC25, which lacks M protein on its surface, and we demonstrate that this strain is unable to generate a mature 28 kDa cysteine proteinase. ...We also show that MC25 secretes a
In the present study, we have generated a mutant strain of Streptococcus pyogenes, MC25, which lacks M protein on its surface, and we …
Expression of two csg operons is required for production of fibronectin- and congo red-binding curli polymers in Escherichia coli K-12.
Hammar M, Arnqvist A, Bian Z, Olsén A, Normark S. Hammar M, et al. Mol Microbiol. 1995 Nov;18(4):661-70. Mol Microbiol. 1995. PMID: 8817489
The csgBA operon encodes CsgA, the major subunit protein of the fibre, and CsgB, a protein with sequence homology to CsgA. A non-polar csgB mutant is unaffected in its production of CsgA, but the subunit protein is not assembled into insoluble fibre polymers. ...No …
The csgBA operon encodes CsgA, the major subunit protein of the fibre, and CsgB, a protein with sequence homology to CsgA. A n …
Assembly of human contact phase proteins and release of bradykinin at the surface of curli-expressing Escherichia coli.
Ben Nasr A, Olsén A, Sjöbring U, Müller-Esterl W, Björck L. Ben Nasr A, et al. Mol Microbiol. 1996 Jun;20(5):927-35. doi: 10.1111/j.1365-2958.1996.tb02534.x. Mol Microbiol. 1996. PMID: 8809746
Previous work has demonstrated that most strains of the human pathogen Streptococcus pyogenes bind kininogens through M protein, a fibrous surface protein and virulence determinant. ...Addition of purified plasma kallikrein to the HK-loaded bacteria resulted in a ra …
Previous work has demonstrated that most strains of the human pathogen Streptococcus pyogenes bind kininogens through M protein, a fi …
Plasminogen, absorbed by Escherichia coli expressing curli or by Salmonella enteritidis expressing thin aggregative fimbriae, can be activated by simultaneously captured tissue-type plasminogen activator (t-PA).
Sjöbring U, Pohl G, Olsén A. Sjöbring U, et al. Mol Microbiol. 1994 Nov;14(3):443-52. doi: 10.1111/j.1365-2958.1994.tb02179.x. Mol Microbiol. 1994. PMID: 7885228
By contrast, E. coli carrying a gene locus with an insertionally inactivated chromosomal curlin subunit were unable to bind the two human proteins. ...A simultaneous binding of fibrinolytic proteins and matrix proteins to fimbriae of E. coli and S. enteritidis could …
By contrast, E. coli carrying a gene locus with an insertionally inactivated chromosomal curlin subunit were unable to bind the two h …
Environmental regulation of curli production in Escherichia coli.
Olsén A, Arnqvist A, Hammar M, Normark S. Olsén A, et al. Infect Agents Dis. 1993 Aug;2(4):272-4. Infect Agents Dis. 1993. PMID: 8173808
E. coli--expressing curli bind to human skin tissue, provided they are precoated with soluble fibronectin, suggesting that curli may act as a colonization factor in host-microbe interactions. Fibronectin is a multifunctional extracellular matrix and plasma protein i …
E. coli--expressing curli bind to human skin tissue, provided they are precoated with soluble fibronectin, suggesting that curli may act as …
Curli, fibrous surface proteins of Escherichia coli, interact with major histocompatibility complex class I molecules.
Olsén A, Wick MJ, Mörgelin M, Björck L. Olsén A, et al. Infect Immun. 1998 Mar;66(3):944-9. doi: 10.1128/IAI.66.3.944-949.1998. Infect Immun. 1998. PMID: 9488380 Free PMC article.
Curliated E. coli was found to interact with an MHC-I-expressing lymphoma cell line as shown by scanning electron microscopy, whereas the binding to a mutant variant of this cell line expressing small amounts of MHC-I molecules was significantly lower. ...A direct i …
Curliated E. coli was found to interact with an MHC-I-expressing lymphoma cell line as shown by scanning electron microscopy, whereas the bi …
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