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Articles 1 - 6 of 6
Full-Text Articles in Pathogenic Microbiology
Group B Streptococcus Induces Neutrophil Recruitment To Gestational Tissues And Elaboration Of Extracellular Traps And Nutritional Immunity, Visheh Kothary, Ryan S. Doster, Lisa M. Rogers, Leslie A. Kirk, Kelli L. Boyd, Joann Romano-Keeler, Kathryn Haley, Shannon D. Manning, David M. Aronoff, Jennifer A. Gaddy
Group B Streptococcus Induces Neutrophil Recruitment To Gestational Tissues And Elaboration Of Extracellular Traps And Nutritional Immunity, Visheh Kothary, Ryan S. Doster, Lisa M. Rogers, Leslie A. Kirk, Kelli L. Boyd, Joann Romano-Keeler, Kathryn Haley, Shannon D. Manning, David M. Aronoff, Jennifer A. Gaddy
Peer Reviewed Articles
Streptococcus agalactiae, or Group B Streptococcus (GBS), is a gram-positive bacterial pathogen associated with infection during pregnancy and is a major cause of morbidity and mortality in neonates. Infection of the extraplacental membranes surrounding the developing fetus, a condition known as chorioamnionitis, is characterized histopathologically by profound infiltration of polymorphonuclear cells (PMNs, neutrophils) and greatly increases the risk for preterm labor, stillbirth, or neonatal GBS infection. The advent of animal models of chorioamnionitis provides a powerful tool to study host-pathogen relationships in vivo and ex vivo. The purpose of this study was to evaluate the innate immune response …
Nutrition And Helicobacter Pylori: Host Diet And Nutritional Immunity Influence Bacterial Virulence And Disease Outcome, Kathryn P. Haley, Jennifer A. Gaddy
Nutrition And Helicobacter Pylori: Host Diet And Nutritional Immunity Influence Bacterial Virulence And Disease Outcome, Kathryn P. Haley, Jennifer A. Gaddy
Peer Reviewed Articles
Helicobacter pylori colonizes the stomachs of greater than 50% of the world’s human population making it arguably one of the most successful bacterial pathogens. Chronic H. pylori colonization results in gastritis in nearly all patients; however in a subset of people, persistent infection with H. pylori is associated with an increased risk for more severe disease outcomes including B-cell lymphoma of mucosal-associated lymphoid tissue (MALT lymphoma) and invasive adenocarcinoma. Research aimed at elucidating determinants that mediate disease progression has revealed genetic differences in both humans and H. pylori which increase the risk for developing gastric cancer. Furthermore, host diet and …
Metalloregulation Of Helicobacter Pylori Physiology And Pathogenesis, Kathryn P. Haley, Jennifer A. Gaddy
Metalloregulation Of Helicobacter Pylori Physiology And Pathogenesis, Kathryn P. Haley, Jennifer A. Gaddy
Peer Reviewed Articles
Helicobacter pylori is a Gram-negative spiral-shaped bacterium that colonizes over half of the world's population. Chronic H. pylori infection is associated with increased risk for numerous disease outcomes including gastritis, dysplasia, neoplasia, B-cell lymphoma of mucosal-associated lymphoid tissue (MALT lymphoma), and invasive adenocarcinoma. The complex interactions that occur between pathogen and host are dynamic and exquisitely regulated, and the relationship between H. pylori and its human host are no exception. To successfully colonize, and subsequently persist, within the human stomach H. pylori must temporally regulate numerous genes to ensure localization to the gastric lumen and coordinated expression of virulence factors …
Absence Of Soda Increases The Levels Of Oxidation Of Key Metabolic Determinants Of Borrelia Burgdorferi, Maria D. Esteve-Gassent, Trever C. Smith Ii, Christina M. Small, Derek P. Thomas, J Seshu
Absence Of Soda Increases The Levels Of Oxidation Of Key Metabolic Determinants Of Borrelia Burgdorferi, Maria D. Esteve-Gassent, Trever C. Smith Ii, Christina M. Small, Derek P. Thomas, J Seshu
Peer Reviewed Articles
Borrelia burgdorferi, the causative agent of Lyme disease, alters its gene expression in response to environmental signals unique to its tick vector or vertebrate hosts. B. burgdorferi carries one superoxide dismutase gene (sodA) capable of controlling intracellular superoxide levels. Previously, sodA was shown to be essential for infection of B. burgdorferi in the C3H/HeN model of Lyme disease. We employed two-dimensional electrophoresis (2-DE) and immunoblot analysis with antibodies specific to carbonylated proteins to identify targets that were differentially oxidized in the soluble fractions of the sodA mutant compared to its isogenic parental control strain following …
Helicobacter Pylori: Genomic Insight Into The Host-Pathogen Interaction, Kathryn P. Haley, Jennifer A. Gaddy
Helicobacter Pylori: Genomic Insight Into The Host-Pathogen Interaction, Kathryn P. Haley, Jennifer A. Gaddy
Peer Reviewed Articles
The advent of genomic analyses has revolutionized the study of human health. Infectious disease research in particular has experienced an explosion of bacterial genomic, transcriptomic, and proteomic data complementing the phenotypic methods employed in traditional bacteriology. Together, these techniques have revealed novel virulence determinants in numerous pathogens and have provided information for potential chemotherapeutics. The bacterial pathogen, Helicobacter pylori, has been recognized as a class 1 carcinogen and contributes to chronic inflammation within the gastric niche. Genomic analyses have uncovered remarkable coevolution between the human host and H. pylori. Perturbation of this coevolution results in dysregulation of the …
Communities Of Cloacal Bacteria In Tree Swallow Families, Michael P. Lombardo, Patrick A. Thorpe, R. Cichewicz, M. Henshaw, C. Millard, C. Steen, T. K. Zeller
Communities Of Cloacal Bacteria In Tree Swallow Families, Michael P. Lombardo, Patrick A. Thorpe, R. Cichewicz, M. Henshaw, C. Millard, C. Steen, T. K. Zeller
Peer Reviewed Publications
Our aim in this study was to survey the communities of bacteria found in the cloacae of adult and nestling Tree Swallows (Tachycineta bicolor), determine if there were familial patterns of prevalence, and determine if there were relationships between bacteria loads and nestling size when 12 days old and fledging success.