Affiliation:
1. Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, Tennessee.
Abstract
Three Staphylococcus epidermidis isolates of differing bacteriophage types were studied to define proteins confined to the cell wall, which were surface exposed and thus available to interact with the host. Three major proteins of 37, 41, and 51 kDa were identified in all whole-cell lysates and cell wall extracts by sodium dodecyl sulfate-polyacrylamide gel electrophoresis analysis. Two additional proteins of 18 and 25 kDa became evident by using 125I labeling to delineate surface-exposed proteins. A classification scheme using P1 to P5 to delineate the 51-, 41-, 37-, 25- and 18-kDa proteins is proposed. Additionally, murine immune sera were used to identify two immunodominant proteins of 51 and 25 kDa (P1 and P4, respectively).
Publisher
American Society for Microbiology
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