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Comprehensive Analysis of the Factor H Binding Capabilities of Borrelia Species Associated with Lyme Disease: Delineation of Two Distinct Classes of Factor H Binding Proteins

By John V. McDowell, Jill Wolfgang, Emily Tran, Michael S. Metts, Duncan Hamilton and Richard T. Marconi


Some Lyme disease spirochete isolates can bind complement regulatory protein factor H (fH), a process that may allow evasion of complement-mediated killing. Here we demonstrate significant differences in the fH binding capabilities of species of the Borrelia burgdorferi sensu lato complex. The percentages of B. burgdorferi, B. afzelii, and B. garinii bacteria that bound fH in either enzyme-linked immunosorbent assays or affinity ligand binding immunoblot assays were 100, 83, and 29%, respectively. The fH binding protein profiles were examined and found to exhibit variability among isolates and to form two distinct classes. Differences in fH binding ability may contribute to the differences in pathogenesis and clinical course observed upon infection with different species of the B. burgdorferi sensu lato complex

Topics: Molecular Pathogenesis
Publisher: American Society for Microbiology
Year: 2003
DOI identifier: 10.1128/IAI.71.6.3597-3602.2003
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Provided by: PubMed Central
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