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  • 1
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    X-ray structure of the FimC-FimH chaperone-adhesin complex from uropathogenic Escherichia coli (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-08-14
    Description: Type 1 pili-adhesive fibers expressed in most members of the Enterobacteriaceae family-mediate binding to mannose receptors on host cells through the FimH adhesin. Pilus biogenesis proceeds by way of the chaperone/usher pathway. The x-ray structure of the FimC-FimH chaperone-adhesin complex from uropathogenic Escherichia coli at 2.5 angstrom resolution reveals the basis for carbohydrate recognition and for pilus assembly. The carboxyl-terminal pilin domain of FimH has an immunoglobulin-like fold, except that the seventh strand is missing, leaving part of the hydrophobic core exposed. A donor strand complementation mechanism in which the chaperone donates a strand to complete the pilin domain explains the basis for both chaperone function and pilus biogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Choudhury, D -- Thompson, A -- Stojanoff, V -- Langermann, S -- Pinkner, J -- Hultgren, S J -- Knight, S D -- R01AI29549/AI/NIAID NIH HHS/ -- R01DK51406/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1999 Aug 13;285(5430):1061-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Uppsala Biomedical Center, Swedish University of Agricultural Sciences, Box 590, S-753 24 Uppsala, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10446051" target="_blank"〉PubMed〈/a〉
    Keywords: Adhesins, Bacterial/*chemistry/metabolism ; *Adhesins, Escherichia coli ; Amino Acid Sequence ; Bacterial Outer Membrane Proteins/*chemistry/metabolism ; *Bacterial Proteins ; Chlorpropamide/analogs & derivatives/metabolism ; Crystallography, X-Ray ; Escherichia coli/*chemistry/metabolism/pathogenicity ; *Escherichia coli Proteins ; Fimbriae Proteins ; Fimbriae, Bacterial/chemistry/*metabolism/ultrastructure ; Hydrogen Bonding ; Membrane Proteins/*chemistry ; Models, Molecular ; Molecular Chaperones/*chemistry/metabolism ; Molecular Sequence Data ; Protein Conformation ; Protein Folding ; Protein Structure, Secondary ; Sequence Alignment
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Prevention of mucosal Escherichia coli infection by FimH-adhesin-based systemic vaccination (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-04-25
    Description: Virtually all uropathogenic strains of Escherichia coli, the primary cause of cystitis, assemble adhesive surface organelles called type 1 pili that contain the FimH adhesin. Sera from animals vaccinated with candidate FimH vaccines inhibited uropathogenic E. coli from binding to human bladder cells in vitro. Immunization with FimH reduced in vivo colonization of the bladder mucosa by more than 99 percent in a murine cystitis model, and immunoglobulin G to FimH was detected in urinary samples from protected mice. Furthermore, passive systemic administration of immune sera to FimH also resulted in reduced bladder colonization by uropathogenic E. coli. This approach may represent a means of preventing recurrent and acute infections of the urogenital mucosa.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Langermann, S -- Palaszynski, S -- Barnhart, M -- Auguste, G -- Pinkner, J S -- Burlein, J -- Barren, P -- Koenig, S -- Leath, S -- Jones, C H -- Hultgren, S J -- R01DK51406/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1997 Apr 25;276(5312):607-11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉MedImmune, Inc., Gaithersburg, MD 20878, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9110982" target="_blank"〉PubMed〈/a〉
    Keywords: Adhesins, Bacterial/*immunology/metabolism ; *Adhesins, Escherichia coli ; Animals ; Antibodies, Bacterial/analysis/immunology ; Bacterial Adhesion ; *Bacterial Vaccines/administration & dosage/immunology ; Child ; Cystitis/immunology/*prevention & control ; Epithelium/microbiology ; Escherichia coli/immunology/metabolism/pathogenicity ; Escherichia coli Infections/immunology/*prevention & control ; Female ; *Fimbriae Proteins ; Fimbriae, Bacterial/immunology ; Humans ; Immunity, Mucosal ; Mice ; Mice, Inbred C3H ; Neutrophils/immunology ; Rabbits ; Urinary Bladder/microbiology ; Vaccination ; *Vaccines, Synthetic/administration & dosage/immunology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER CURRENT
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