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Full-Text Articles in Medicine and Health Sciences

Monocyte Anti-Inflammatory Activity Is Dictated By Metabolic Status During Staphylococcus Aureus Biofilm Infection, Kelsey J. Yamada May 2019

Monocyte Anti-Inflammatory Activity Is Dictated By Metabolic Status During Staphylococcus Aureus Biofilm Infection, Kelsey J. Yamada

Theses & Dissertations

Staphylococcus aureus biofilms represent a significant cause of morbidity and economic burden and are often associated with nosocomial infections, including medically implanted devices. In particular, prosthetic joint infections (PJIs) are a growing concern due to the continued increase in orthopedic procedures. Staphylococcal species cause >50% of all PJIs, while S. aureus represents the most invasive and associated with the most morbidity. S. aureus-associated biofilm infections are recalcitrant to antibiotic therapy, due to both the acquisition of genetic elements and metabolic dormancy. Furthermore, S. aureus biofilm infections remain chronic because they cannot be cleared by the immune system. Recent studies …


In Vivo Gene Essentiality And Metabolism In Bordetella Pertussis, Laura A. Gonyar, Patrick E. Gelbach, Dennis G. Mcduffe, Alexander F. Koeppel, Qing Chen, Gloria Lee, Louise M. Temple, Scott Stibitz, Erik L. Hewlwtt, Jason A. Papin, F. Heath Damron, Joshua C. Eby Jan 2019

In Vivo Gene Essentiality And Metabolism In Bordetella Pertussis, Laura A. Gonyar, Patrick E. Gelbach, Dennis G. Mcduffe, Alexander F. Koeppel, Qing Chen, Gloria Lee, Louise M. Temple, Scott Stibitz, Erik L. Hewlwtt, Jason A. Papin, F. Heath Damron, Joshua C. Eby

Faculty & Staff Scholarship

Bordetella pertussis is the causative agent of whooping cough, a serious respiratory illness affecting children and adults, associated with prolonged cough and potential mortality. Whooping cough has reemerged in recent years, emphasizing a need for increased knowledge of basic mechanisms of B. pertussis growth and pathogenicity. While previous studies have provided insight into in vitro gene essentiality of this organism, very little is known about in vivo gene essentiality, a critical gap in knowledge, since B. pertussis has no previously identified environmental reservoir and is isolated from human respiratory tract samples. We hypothesize that the metabolic capabilities of B. pertussis …