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Bacterial Infections and Mycoses Commons™
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Articles 1 - 5 of 5
Full-Text Articles in Bacterial Infections and Mycoses
Burkholderia Collagen-Like Protein 8, Bucl8, Is An Outer-Membrane Component Of A Novel Efflux Pump And Immunogenic Vaccine Candidate, Megan Elizabeth Grund
Burkholderia Collagen-Like Protein 8, Bucl8, Is An Outer-Membrane Component Of A Novel Efflux Pump And Immunogenic Vaccine Candidate, Megan Elizabeth Grund
Graduate Theses, Dissertations, and Problem Reports
Burkholderia spp. are Gram‐negative intrinsically resistant bacteria that are responsible for environmental and nosocomial infections of clinical and biodefense concern. Our laboratory previously identified in silico Burkholderia collagen-like protein 8 (Bucl8) in the BSL-3 pathogens Burkholderia pseudomallei and Burkholderia mallei (Figure 1). The protein sequence of Bucl8 contains tandem outer-membrane efflux protein domains (OEP) typical of efflux systems and a unique collagen-like domain (CL) consisting of a repeating sequence of Glycine-Alanine-Serine (GAS). Because efflux pumps are often a mechanism of pathogenicity and antibiotic resistance, we investigated Bucl8 further. Here, we determined that the locus of bucl8 contains genes …
Evaluation Of A Novel Mrna-Pertussis Vaccine Against Emerging Clinical Isolates Of Bordetella Pertussis, Graham Jeffrey Bitzer
Evaluation Of A Novel Mrna-Pertussis Vaccine Against Emerging Clinical Isolates Of Bordetella Pertussis, Graham Jeffrey Bitzer
Graduate Theses, Dissertations, and Problem Reports
Bordetella pertussis is a Gram-negative obligate aerobe that causes a respiratory disease known as pertussis or whooping cough. Pertussis is most severe in younger children, especially infants but the bacteria has been known to colonize adult populations. Before the introduction of the whole-cell pertussis (wP; wP-DTP) vaccine reported numbers of pertussis cases within the US routinely topped 100,000 cases per year. However, with the widespread usage of the wP vaccine case numbers began dropping and reached a low of less than 5,000 cases per year in the late 1970’s and early 80’s. It appeared that B. pertussis was heading towards …
Understanding The Host Immune Response Against Pseudomonas Aeruginosa To Develop Novel Therapeutics And Vaccines, Emel Sen Kilic
Understanding The Host Immune Response Against Pseudomonas Aeruginosa To Develop Novel Therapeutics And Vaccines, Emel Sen Kilic
Graduate Theses, Dissertations, and Problem Reports
Pseudomonas aeruginosa is a Gram-negative opportunistic bacterium that causes a broad range of acute and chronic infections. The high adaptability and emergence of multidrug-resistant strains of this bacterium pose a significant threat to human health. Particularly, pneumonia caused by this pathogen is associated with high morbidity and mortality in immunocompromised patients. To prevent these infections, we aimed to develop novel vaccine strategies by characterizing the host immune response against P. aeruginosa. During respiratory infections, P. aeruginosa first contacts with epithelial cells along the respiratory tract. Using RNA-sequencing, we were able to characterize transcriptional changes of the epithelial cells in …
Adaptation Of The Streptococcal Collagen-Like Protein 1, Scl1, Of Group A Streptococcus To Recognize Fibronectin Type Iii Repeats, Dudley H. Mcnitt
Adaptation Of The Streptococcal Collagen-Like Protein 1, Scl1, Of Group A Streptococcus To Recognize Fibronectin Type Iii Repeats, Dudley H. Mcnitt
Graduate Theses, Dissertations, and Problem Reports
Background: Group A Streptococcus (GAS) is responsible more than 700 million infections worldwide each year. Most of these infections start with initial colonization of the throat and skin, which is augmented by surface adhesins. The streptococcal collagen-like protein 1 (Scl1) is a major adhesin expressed by GAS that contains an N-terminal sequence-variable (V) domain, protruded away from the cell surface by the collagen domain. The Scl-V domain is comprised of three pairs of anti-parallel α-helices interconnected by surface-exposed loops. For attachment, GAS adhesins require a portal of entry, such as a wound or breach in the epithelium, to enter …
Development Of Improved Acellular Pertussis Vaccines Through Inclusion Of The Rtx Antigen Or Induction Of Mucosal Immunity, Dylan Tyler Boehm
Development Of Improved Acellular Pertussis Vaccines Through Inclusion Of The Rtx Antigen Or Induction Of Mucosal Immunity, Dylan Tyler Boehm
Graduate Theses, Dissertations, and Problem Reports
Pertussis is a human respiratory disease, primarily caused by the Gram-negative pathogen Bordetella pertussis. The infection is most severe and can be life-threatening in young children and infants where it manifests as a series of paroxysmal coughs. The disease is more commonly known as whooping cough, due to the whoop omitted during a massive inspiratory effort to bring air back into the lungs. Pertussis is a toxin-mediated disease that persists due to an early release of toxins that allow that bacteria to evade the cells of the innate immune response. The inhibition of the host response continues as toxin activity …