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The causative agent of Plague, Yersinia pestis, is a highly virulent pathogen and a potential bioweapon. Depending on the route of infection, two prevalent occurrences of the disease are known, bubonic and pneumonic. The latter has a high fatality rate. In the absence of a licensed vaccine, intense efforts to develop a safe and efficacious vaccine have been conducted, and humoral-driven subunit vaccines...
The pathogenesis mechanism and the identity of major virulence factors of the highly infectious human pathogen F. tularensis tularensis, are still poorly characterized. The restricted efficacy of the sole available vaccine (the LVS attenuated strain) and residual toxicity has motivated extensive R&D efforts directed toward the identification of alternative tularemia vaccine formulations based...
In search for antigens which may form the basis for improved subunit or live attenuated B. anthracis vaccines, extensive genomic, proteomic and serologic analyses coupled with functional screens for surface exposed and/or secreted proteins, were carried out. The screens resulted in selection of over 50 promising novel in-vivo expressed immunogens, classified as S-Layer Homology (SLH) proteins, repeat...
A bioinformaticbioinformatic screen of Yersinia pestis genome identified 11 TPS components, carrying the POlypeptide TRansport-Associated (POTRAPOTRA ) domain, found in other pathogens to be involved in immunogenicity immunogen immunogenicity and pathogenicity. All rTpsBs (transporterstransporters ) cloned and expressed in Escherichia coli induced a humoral responses in immunized mice. Mice surviving...
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