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Full-Text Articles in Microbiology
Cd1d-Dependent B-Cell Help By Nk-Like T Cells Leads To Enhanced And Sustained Production Of Bacillus Anthracis Lethal Toxin-Neutralizing Antibodies, T. Scott Devera, Lindsay M. Aye, Gillian A. Lang, Sunil K. Joshi, Jimmy D. Ballard, Mark L. Lang
Cd1d-Dependent B-Cell Help By Nk-Like T Cells Leads To Enhanced And Sustained Production Of Bacillus Anthracis Lethal Toxin-Neutralizing Antibodies, T. Scott Devera, Lindsay M. Aye, Gillian A. Lang, Sunil K. Joshi, Jimmy D. Ballard, Mark L. Lang
Bioelectrics Publications
The current Bacillus anthracis vaccine consists largely of protective antigen (PA), the protein of anthrax toxin that mediates entry of edema factor (EF) or lethal factor (LF) into cells. PA induces protective antibody (Ab)-mediated immunity against Bacillus anthracis but has limited efficacy and duration. We previously demonstrated that activation of CD1d-restricted natural killer-like T cells (NKT) with a CD1d-binding glycolipid led to enhanced Ab titers specific for foreign antigen (Ag). We therefore tested the hypothesis that activation of NKT cells with the CD1d ligand (alpha-galactosylceramide [alpha-GC]) at the time of immunization improves PA-specific Ab responses. We observed that alpha-GC enhanced …
Morphogenesis Of The Bacillus Anthracis Spore, Michael Mallozzi
Morphogenesis Of The Bacillus Anthracis Spore, Michael Mallozzi
Dissertations
With the ability to shut down metabolism, survive exposure to high degrees of heat, ultra-violet and ionizing radiation, digestive enzymes, and antimicrobials, the bacterial spore is one of the most-resistant forms of life on earth. Although most spores are harmless, several species' spores cause serious diseases such as tetanus, anthrax, gas gangrene, botulism, and diarrhea. Spore-forming bacteria differentiate into spores in response to stresses (especially starvation) in a multi-stage developmental pathway involving the coordinated expression of hundreds of genes and the formation of specialized protective organelles which surround and protect the spore during dormancy. The Bacillus anthracis spore (the causative …