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  • Evaluating microbial indicators of environmental condition in Oregon rivers

    Creator:
    Pennington, Alan Travis
    Abstract:
    Traditional public health bacterial indicators of water quality and the Biolog® system were evaluated to compare their response to other indicators of stream condition with the state of Oregon and between ecoregions (Coast Range, Willamette Valley, Cascades, and Eastern Oregon). Forty-three randomly selected Oregon rivers were sampled during the summer...
    Resource Type:
    Masters Thesis
    Full Text:
    . Dan Rockey and Nancy Bryant. Several individuals in the Environmental Monitoring and Assessment

  • Mycobacterium avium genes upregulated upon infection of Acanthamoeba castellanii demonstrate a common response to the intracellular environment

    Creator:
    Tennant, Rachel C.
    Abstract:
    Mycobacterium avium is a ubiquitous environmental organism found in both water and soil. It can cause disease in patients with previous pulmonary conditions, as well as immunosupressed patients, with the most prevalent being AIDS patients. Studies have indicated that passage through amoeba, a common environmental protozoa, increases virulence of M....
    Resource Type:
    Masters Thesis
    Full Text:
    thesis committee, Dr. Dan Rockey, Dr. Peter Bottomley, and Dr. Bruce Coblentz. Dr. Lia Danelishvili for

  • Characterization of germination of Clostridium perfringens spores from various sources

    Creator:
    Alnoman, Maryam M.
    Abstract:
    Clostridium perfringens is a pathogenic anaerobic bacterium able to produce more than 17 toxins, allowing C. perfringins to cause a wide variety of diseases in humans and animals. Beside toxins production, C. perfringens able to form a highly resistance spores can survive in the environments for years. These spores are...
    Resource Type:
    Masters Thesis

  • Molecular mechanism of germination of Clostridium perfringens spores

    Creator:
    Paredes-Sabja, Daniel
    Abstract:
    Clostridium perfringens is the causative agent of a wide variety of diseases in animals and humans. C. perfringens can produce more than 15 toxins. However, individual strains produce a subset of these toxins. Although a small percentage of C. perfringens isolates (mostly belonging to type A) produce C. perfringens enterotoxin...
    Resource Type:
    Dissertation

  • Identification and analysis of vaccinia virus acylproteins

    Creator:
    Hansen, Scott G.
    Abstract:
    Vaccinia virus (VV) encodes at least six proteins that are modified by the addition of a 14-carbon saturated fatty acid through an amide linkage and at least eight proteins that are modified post-translationally by the addition of a 16-carbon saturated fatty acid through linkage to cysteine residues. These post-translational modifications...
    Resource Type:
    Dissertation
    Full Text:
    committee, Jo-Ann Leong, George Rohrmann, Dan Rockey, and Gary Delander. I have enjoyed and prospered from

  • Social Evolution and Regulatory Architecture of Pseudomonas aeruginosa Quorum Sensing

    Creator:
    Asfahl, Kyle L.
    Abstract:
    Cell-cell communication in bacteria is understood to facilitate the coordination of population-wide cooperative behavior in the form of concerted gene expression. The opportunistic pathogen Pseudomonas aeruginosa uses such a communication mechanism to regulate a large group of genes important to virulence strategies in this bacterium. This general mechanism of communication...
    Resource Type:
    Dissertation
    Full Text:
    members, Dr. Jeff Chang, Dr. Dan Rockey, Dr. Aleksandra Sikora, and Dr. Ryan Mueller, for the sharing of

  • Vaccinia virus I7L core protein proteinase

    Creator:
    Byrd, Chelsea M.
    Abstract:
    Vaccinia virus (VV) is a large double-stranded DNA virus that is a prototypic member of the orthopoxvirus family. Previous works has showed that three of the major structural proteins found within the mature VV virion core 4a, 4b, and 25K are produced from higher molecular weight precursors at late times...
    Resource Type:
    Dissertation
    Full Text:
    committee members, Dan Arp, Dan Rockey, Walt Ream, and Luiz Bermudez for constructive criticism, freedom

  • Dissecting the cytoskeletal interaction during cytokinesis and the role of myosin II motors on homologous chromosomes

    Creator:
    Tseng, Kuo-Fu
    Abstract:
    Prior to cell cleavage, cytokinetic proteins are recruited into the nascent actomyosin contractile ring. Interactions between spindle microtubules and the cell cortex play a critical role in this recruitment. However, direct evidence for physical interaction between microtubules and the cortex has been lacking. Here we reveal the physical connection between...
    Resource Type:
    Dissertation
    Full Text:
    my committee members, John Flower, Jeffery greenwood, Dan Rockey, Arup Indra, for their expertise

  • Nutritional regulation of adipocyte differentiation in animals

    Creator:
    Brandebourg, Terry
    Abstract:
    The incidence of obesity has increased in the U.S. until an obesity epidemic now exists. American consumers are acutely aware of the consequences of obesity and are increasingly associating the consumption of high-fat foods with having a negative impact upon their health. This has in turn forced producers to grow...
    Resource Type:
    Dissertation
    Full Text:
    present at d 10 post-induction in primary cultures of porcine S-V cells. 61 3-3. Cis-9, trans-li CLA

  • Molecular characterization of an HIV-1 drug target and antiviral compound development

    Creator:
    Maselko, Maciej
    Abstract:
    The Human Immunodeficiency Virus -1 (HIV-1) has been the source of substantial human misery since it was first discovered in the early 1980s. Despite remarkable progress that has been made towards understanding HIV- 1, there is no cure, no vaccine and life-prolonging therapies are beyond the reach of millions in...
    Resource Type:
    Dissertation
    Full Text:
    (Budge, Li, Beeler, & Graham, 2004). RhoA77-95 inhibition of HIV-1 is improved by freeze