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Infection and Immunity, May 2001, p. 3455-3459, Vol. 69, No. 5
0019-9567/01/$04.00+0 DOI: 10.1128/IAI.69.5.3455-3459.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
Delineation of Borrelia burgdorferi p66
Sequences Required for Integrin
IIb
3 Recognition
Gillianne
Defoe and
Jenifer
Coburn*
Division of Rheumatology and Immunology,
Tufts-New England Medical Center, Boston, Massachusetts 02111
Received 18 December 2000/Returned for modification 2 February
2001/Accepted 7 February 2001
The outer membrane protein p66 of the Lyme disease agent,
Borrelia burgdorferi, has been identified as a candidate
ligand for
3-chain integrins. To identify portions of
p66 required for integrin recognition, fusions of maltose-binding
protein to fragments of p66 were tested for binding to integrin
IIb
3, and synthetic peptides derived from
the p66 amino acid sequence were tested for the ability to inhibit
B. burgdorferi attachment to the same integrin. The data
identify two noncontiguous segments of p66 that are important for
IIb
3 recognition, suggesting that, as is
true for other integrin ligands, the tertiary structure of p66 is
important for receptor recognition.
*
Corresponding author. Mailing address: Division of
Rheumatology and Immunology, Tufts-New England Medical Center, Box 406, 750 Washington St., Boston, MA 02111. Phone: (617) 636-5952. Fax: (617)
636-4252. E-mail: jcoburn_bor{at}opal.tufts.edu.
Infection and Immunity, May 2001, p. 3455-3459, Vol. 69, No. 5
0019-9567/01/$04.00+0 DOI: 10.1128/IAI.69.5.3455-3459.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
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