Index Catalog // ScholarsArchive@OSU

Coliphage T3 S-adenosylmethionine hydrolase : properties of the cloned gene and consequences of its expression in Escherichia coli

Creator:: Hughes, Jeffrey A.
Abstract:: To begin the development of a research tool for use in the in vivo study of S-adenosylmethionine (SAM) metabolism, I attempted to locate, isolate, clone and elicit the expression of the SAM hydrolase gene (E.C. 3.3.1.2) of the coliphage T3. The gene was isolated and cloned into the M13mp8 cloning...
Resource Type:: Dissertation
Full Text:: T3 SAdenosylmethionine Hydrolase Authors: Jeffrey A. Hughes, Lyle R. Brown, and Adolph J. Ferro

Biotransformation of 2,4,6-trinitrotoluene by ruminal organisms

Creator:: De Lorme, Marthah J. M.
Abstract:: 2,4,6-Trinitrotoluene (TNT) has been the common munitions used in the world and is an environmental contaminant that is amendable to reductive transformation reactions. The rumen is an extremely reductive environment containing diverse microbial populations. There are 21 pure culture ruminal bacteria species in culture collection, these were tested for the...
Resource Type:: Dissertation

Impacts of Environmental Change on a Newly-characterized Symbiosis between a Novel Bacterial Parasite, Genus Aquarickettsia, and the Coral Acropora cervicornis

Creator:: Klinges, J. Grace
Abstract:: Coral reef ecosystems continue to be significantly altered by disease epizootics, but why some host populations remain resistant while others succumb to outbreaks remains unknown. Research across diverse animal and plant host systems has revealed that disease severity is strongly influenced by host genetics and by environmental influences on both...
Resource Type:: Dissertation
Full Text:: THE DISSERTATION OF J. Grace Klinges for the degree of Doctor of Philosophy in Microbiology

Bacteriophages for Leuconostoc oenos : a survey of Oregon wineries

Creator:: Eschelbach, Matthew Michael
Abstract:: A study of malolactic bacteria of the Leuconostoc genus, especially L. oenos, and their bacteriophages was conducted. A search for the presence of infectious bacteriophages in grapes, musts, and juices employed in malo-lactic fermentation (MLF) was conducted; no evidence, either physical or biological, was found for the existence of these...
Resource Type:: Masters Thesis
Full Text:: . Kaattari, and Dr. Jeffrey J. Morrell. Their suggestions and criticism during the completion of this work

Structural analysis of thermally inactivated nisin

Creator:: Musafija-Jeknic, Tamara
Abstract:: Nisin, an antimicrobial peptide used in food preservation was evaluated for thermal stability. Nisin retained antimicrobial activity after having been heated at 121°C for seven hours. Anhydrous nisin and concentrated nisin solutions (5-10 mg/ml) were still active after having been heated up to 190°C or 230°C. When exposed to high...
Resource Type:: Masters Thesis
Full Text:: Dr. Steven J. Gould for his insightful advice and interest in my work. A special gratitude is

Human health significance of vibrios from the aquatic environment

Creator:: Nishibuchi, Mitsuaki
Abstract:: For the enrichment and enumeration of Vibrio fluvialis, a broth medium was designed by modifying alkaline peptone (AP) medium. This new V. fluvialis enrichment medium (FEM) was shown to be more effective than AP medium in field samplings where a total of 177 samples (estuarine waters and sediment, sewage, and...
Resource Type:: Dissertation
Full Text:: . Colwell, R. R., R. J. Seidler, J. Kaper, S. W. Joseph, S. Garges, H. Lockman, D. Maneval, H. Bradford, N

Homospermidine, spermidine, and putrescine : the biosynthesis and metabolism of polyamines in Rhizobium meliloti

Creator:: Tower, Paula Allene
Abstract:: Rhizobium, in symbiotic association with leguminous plants, is able to fix atmospheric nitrogen after first forming root nodules. Since polyamines are associated with and found in high concentration in rapidly growing cells and are thought to be important for optimal cell growth, it is possible that these polycations are involved...
Resource Type:: Dissertation
Full Text:: . Biophys. Acta 275, 347-354 22. Bradford, M. M. (1976) Anal. Biochem. 72, 248-254 23. Janne, J., and

Comparative phenotypic studies on vibrios of environmental origin that resemble human clinical isolates

Creator:: Greenwood, John David
Abstract:: A comparative investigation of the phenotypic properties of environmental and clinical strains of the lactose-positive human pathogen, Vibrio vulnificus, revealed that they are indistinguishable in traits commonly used for identification in clinical and public health laboratories. It has also been confirmed that there are other strains of undefined Vibrio spp.,...
Resource Type:: Masters Thesis
Full Text:: : Redacted for Privacy 1Ramon J. Seidlqr A comparative investigation of the phenotypic properties of

Monoclonal antibodies to 5'-deoxy-5' methylthioadenosine phosphorylase

Creator:: Parker, Ricardo Jerome
Abstract:: 5'-Deoxy-5'-methylthioadenosine phosphorylase catalyzes the phosphorolytic cleavage of 5'-deoxy-5'-methylthioadenosine to form 5'-deoxy-5'-methylthioribose-1-phosphate and adenine in mammalian cells and plays an important role in methionine and purine salvage. The enzyme is abundant in normal tissues and in cell lines derived from normal cells. However, several malignant tissues and cell lines have been...
Resource Type:: Dissertation
Full Text:: phosphorylase AN ABSTRACT OF THE THESIS OF Ricardo J. Parker for the degree of Doctor of Philosophy in

Mutagenic Analysis of Victorin Sensitivity in Arabidopsis thaliana and Avena sativa

Creator:: Seshadri, Rishi S.
Abstract:: The fungal pathogen Cochliobolus victoriae, the causal agent of Victoria blight, produces a host-selective pathogenicity factor called victorin. In Arabidopsis thaliana, a dominant gene called "supersense" (SSN) confers constitutive victorin sensitivity at very low concentrations. SSN encodes a nucleotide-binding leucine-rich-repeat (NB-LRR) protein. In the SSN-carrying Heiligkreuztal 2 ecotype (TAIR Germplasm...
Resource Type:: Honors College Thesis
Full Text:: to victorin in barley. Molecular breeding, 26(3), 545-550. Lorang, J., Kidarsa, T., Bradford

ScholarsArchive@OSU

Coliphage T3 S-adenosylmethionine hydrolase : properties of the cloned gene and consequences of its expression in Escherichia coli

Biotransformation of 2,4,6-trinitrotoluene by ruminal organisms

Impacts of Environmental Change on a Newly-characterized Symbiosis between a Novel Bacterial Parasite, Genus Aquarickettsia, and the Coral Acropora cervicornis

Bacteriophages for Leuconostoc oenos : a survey of Oregon wineries

Structural analysis of thermally inactivated nisin

Human health significance of vibrios from the aquatic environment

Homospermidine, spermidine, and putrescine : the biosynthesis and metabolism of polyamines in Rhizobium meliloti

Comparative phenotypic studies on vibrios of environmental origin that resemble human clinical isolates

Monoclonal antibodies to 5'-deoxy-5' methylthioadenosine phosphorylase

Mutagenic Analysis of Victorin Sensitivity in Arabidopsis thaliana and Avena sativa

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