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Microbial Physiology Commons

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Full-Text Articles in Microbial Physiology

Virulence Factors Of The Group A Streptococci And Genes That Regulate Their Expression, Wayne Hines Jan 2004

Virulence Factors Of The Group A Streptococci And Genes That Regulate Their Expression, Wayne Hines

Biological Sciences Faculty Publications

Group A streptococci produce a wide variety of extracellular (cell-associated and released) virulence factors. The function of these factors varies and includes roles in adhesion, spreading, tissue destruction, immune system evasion, and cell toxicity. How these factors are regulated with regard to one another is important for this organism's ability to bring about the variety of diseases this microbe is capable of causing. Therefore, along with the multitude of virulence factors, there are a number of regulatory systems that regulate, either directly or indirectly, the production of these factors and therefore influence the pathogenesis of group A streptococcal infections.


Kinetic Characterization Of Tetracycline Binding And Release By Demineralized Bone - Dfdba, Orner Kabil Apr 2000

Kinetic Characterization Of Tetracycline Binding And Release By Demineralized Bone - Dfdba, Orner Kabil

Biological Sciences Theses & Dissertations

The microbial etiology of periodontal diseases has led to widespread research in the development of methods and local delivery systems to increase the efficacy of antibiotic therapy. Several drug delivery systems employing biodegradable and nonbiodegradable carriers have been shown to release antibiotics directly into periodontal pockets. The purpose of this study was to determine the binding and release kinetics of tetracycline by demineralized bone. Further aspects of the study include in vitro evaluation of DFDBA (demineralized freeze-dried bone allografts) as a tetracycline carrier system for periodontal therapy. Experiments were performed which employed different tetracycline concentrations with constant amounts of bone …


A Taxonomic Study Of Members Of The Family Entrobacteriaceae With Gas Chromatography, Madeline Ducate Apr 1974

A Taxonomic Study Of Members Of The Family Entrobacteriaceae With Gas Chromatography, Madeline Ducate

Biological Sciences Theses & Dissertations

Abstract unavailable.