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  • Bacterial pathogens and associated toxins involved in erythrophore cell aggregation

    Creator:
    Hutchison, Janine R.
    Abstract:
    Current detection methods for bacterial contamination rely on structure based detection of proteins and nucleic acids. While these methods are easy to use and reliable, they cannot evaluate the toxicity of a sample and the potential to cause disease. Previously, erythrophore cells derived from Betta splendens had been suggested as...
    Resource Type:
    Dissertation
    Full Text:
    single amino acid conversion of alanine to threonine at residue 289 of L2 toxin component of HBL. This

  • Context matters : assembly and disorder in the regulation of multivalent complexes

    Creator:
    Jara, Kayla A.
    Abstract:
    Intrinsically disordered proteins (IDPs), protein regions (IDRs), and protein complexes continue to emerge at the forefront of protein science. Proteins and protein regions lacking specific structure are found in all organisms, and often have vital roles in numerous biological processes. Breaking the well-known structure-function paradigm, the understanding of disorder-based functionality...
    Resource Type:
    Dissertation
    Full Text:
    Techniques…………..………………………………………………16 Circular Dichroism...………………………………………………………16 Analytical

  • Consequences of Influenza A Virus on Pneumococcal Biofilm Formation and Stability in the Absence of Host Factors

    Creator:
    Nutter, Laura
    Abstract:
    Streptococcus pneumoniae and Influenza A Virus both primarily infect the upper respiratory tract, with more severe disease occurring during coinfection than would be caused by either pathogen independently. Until recently, characterization of the interactions between these two pathogens has occurred exclusively in the context of a host or using host-derived...
    Resource Type:
    Masters Thesis

  • Biophysical analyses of peroxiredoxins and a partner reductase

    Creator:
    Hall, Andrea Renée
    Abstract:
    Peroxiredoxins (Prxs) are dominant peroxide-reducing enzymes with two important roles: they protect all organisms from oxidative damage induced by peroxides, and in eukaryotes, they participate in hydrogen peroxide signaling pathways. This dissertation presents studies aimed at the biophysical characterization of select Prxs and a Prx reductase to elucidate their structure-function...
    Resource Type:
    Dissertation
    Full Text:
    many other macromolecular biophysics tools (e.g. fluorescence, circular dichroism, mass spectrometry

  • Characterization of the pathogenicity and phylogeny of members of the Rhodococcus genus

    Creator:
    Creason, Allison L.
    Abstract:
    Plant pathogenic Rhodococcus species are persistent pathogens able to cause severe growth deformities on a large range of hosts. The most well studied species, R. fascians is predicted by current models to synthesize a mixture of cytokinins that act to directly perturb the hosts' hormone balances, which results in abnormal...
    Resource Type:
    Dissertation
    Full Text:
    the plasma membrane-enriched proteome. ............................ 289 LIST OF APPENDIX

  • Understanding chlamydial biology through genome sequencing and comparative genomics

    Creator:
    Jeffrey, Brendan
    Abstract:
    The human pathogen Chlamydia trachomatis displays different phenotypes between serovars both in vivo and in vitro. The study of chlamydial biology has been hampered by the lack of a tractable genetic system. Here, chlamydial isolates with known phenotypes as well as strains generated though recombination were fully sequenced to address...
    Resource Type:
    Dissertation
    Full Text:
    electroporation experiments suggest that linear or circular DNA of at least 1,052 base pairs can be

  • Chromatophores as cell-based biosensors for the detection of chemically and biologically toxic substances

    Creator:
    Dukovcic, Stephanie R.
    Abstract:
    Cell-based biosensors are function-based detectors that use the physiological response of a living cell to sense biologically stimulating agents. This emerging technology extends the application of current detection methods by reporting on the toxicity of a sample and the potential to cause disease. Previously, Betta splendens erythrophores have been described...
    Resource Type:
    Dissertation

  • Impacts of multispecies parasitism on coho salmon (Oncorhynchus kisutch) in Oregon

    Creator:
    Ferguson, Jayde A.
    Abstract:
    Diseases caused by parasites are recognized as significant sources of mortality in wild fish populations. I assessed the impacts of multispecies parasitism on a threatened stock of juvenile coho salmon (Oncorhynchus kisutch). A crucial prerequisite to this research was proper identification of parasites, which can be difficult for species lacking...
    Resource Type:
    Dissertation