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| Content Provider | PubMed Central |
|---|---|
| Author | Alfa, M. J. Degagne, P. Hollyer, T. |
| Abstract | Haemophilus ducreyi is the etiologic agent of the localized genital ulcer disease known as chancroid. The pathogenesis of this organism is poorly understood. The role of attachment in the disease process has not been evaluated. In this study, 125I-H. ducreyi was used to quantitatively evaluate the interaction of virulent and avirulent H. ducreyi strains with human foreskin cells. Using this in vitro model system, we demonstrated that, at 22 and 35 degrees C, the attachment of virulent H. ducreyi 35000 to human foreskin cells was significantly more marked than that of avirulent H. ducreyi A77. Although H. ducreyi penetrated between human foreskin cells, internalization was not a major component. Our competition assay data suggest that the attachment mechanism of H. ducreyi may be similar to that of Neisseria gonorrhoeae. We speculate that the attachment and microcolony formation of virulent H. ducreyi may provide a mechanism for bacterial localization and evasion of host defenses. |
| Starting Page | 1735 |
| File Format | |
| ISSN | 10985522 |
| e-ISSN | 10985522 |
| Journal | Infection and Immunity |
| Issue Number | 5 |
| Volume Number | 61 |
| Language | English |
| Publisher Date | 1993-05-01 |
| Access Restriction | Open |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Infectious Diseases Parasitology Immunology Microbiology |
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