Index Catalog // ScholarsArchive@OSU

R factor transfer among bacteria isolated from the environment

Creator:: Latimer, Joan Marie
Resource Type:: Masters Thesis
Full Text:: Environment AN ABSTRACT OF THE THESIS OF JOAN MARIE LATIMER for the MASTER OF SCIENCE (Name) (Degree) in

The activity of extracellular enzymes in starved and unstarved cells of a psychrophilic marine vibrio

Creator:: Amthor, Kerstin
Abstract:: The psychrophilic marine Vibrio sp., ANT-300, was able to utilize a variety of carbon sources that can be considered typical for the marine environment. The organism grew abundantly on glucose and serine. Chitin was hydrolyzed even when it was offered as the only carbon source, while no growth occurred on...
Resource Type:: Masters Thesis
Full Text:: of carbon sources that can be considered typical for the marine environment. The organism grew

A comparative study of fish coloration and toxicant responses in a chromatophore cell-based biosensor

Creator:: Roach, Holly B.
Abstract:: Detection of both biological and chemical environmental toxicants is essential in the assessment of risk to human health. Cell-based biosensors are capable of activity- based detection of toxicity. Chromatophore cells, responsible for the pigmentation of poikilothermic animal, have shown immense potential as cell-based biosensors in the detection of a broad...
Resource Type:: Masters Thesis
Full Text:: Comparative Study of Fish Coloration and Toxicant Responses in a Chromatophore Cell-based Biosensor Abstract

Growth, survival, and antibiotic resistance transfer of Klebsiella in a botanical environment

Creator:: Yamamoto, Deborah Keiko
Abstract:: The ubiquitous presence of the coliform bacterium Klebsiella in botanical environments has been demonstrated. In this study, Klebsiella were found to multiply and colonize growing radish plants following contamination of seeds. All 29 cultures of Klebsiella tested from 5 different environments were capable of growth to 10⁶-10⁷ cells/gram of plant...
Resource Type:: Masters Thesis
Full Text:: Klebsiella in a botanical environment AN ABSTRACT OF THE THESIS OF Deborah Keiko Yamamoto for the degree

The role of Salmonella typhimurium type three secretion system (T3SS) and effector proteins in chromatophore cell response.

Creator:: Farhad, Mohammad
Abstract:: Bacterial contamination of food poses a great risk to human health worldwide. A chromatophore cell-based biosensor, utilizing B. splendens erythrophore cells, is an emerging technology that has shown potential to detect bacterial toxicity based on function-dependent mechanisms. Previous studies have investigated the response of erythrophore cells to foodborne pathogens, pesticides,...
Resource Type:: Masters Thesis
Full Text:: Effector Proteins in Chromatophore Cell Response. Abstract approved: Janine E. Trempy

Specific indicator organisms can define the magnitude and origins of non-point pollution in rural environments

Creator:: Lamka, Karla Gail
Abstract:: A comprehensive study was made on the impact to surface and ground water pollution by a recently populated rural neighborhood located in the foothills of western Oregon. A stream originating in a limited access forest and flowing through a modern zoned housing development was routinely monitored. Sampling was performed during...
Resource Type:: Masters Thesis
Full Text:: and group D antigens, but the Q antigen, instead of being an integral part of the cell, can be

Germicide effectiveness and taxonomic studies on microbial isolates from meat and poultry plants

Creator:: Schwartz, James
Abstract:: A large number of bacterial and yeast isolates were obtained from meat and poultry processing plants by swab and contact plate sampling methods. Most of the isolates were subjected to a brief taxonomic study and listed according to their sources. Representative food spoilage, indicator and pathogenic organisms were identified to...
Resource Type:: Masters Thesis
Full Text:: pathogenic contaminants into the processing plant environment. In-Plant Contamination A study by Gunderson

The lipids of spore types B, E, and F and vegetative cell types E and F of Clostridium botulinum

Creator:: Kimble, Charles E.
Abstract:: The primary purpose of this investigation was to characterize the lipids of the spores and vegetative cells of Cl. botulinum. A second purpose was to explore the possibility that lipids might serve as a means of differentiating the chiefly proteolytic Cl. botulinum type B from the nonproteolytic Cl. botulinum types...
Resource Type:: Masters Thesis
Full Text:: The Lipids of Spore Types B, E, and F and Vegetative Cell

Ecological study of aquatic myxobacteria in a woodland stream

Creator:: Carlson, René Virginia
Abstract:: Most studies of bacteria in water have concerned public health; little attention has been given to organisms which are indigenous to the aquatic environment. Myxobacteria are known to occur in soil, in the marine environment, and several have been studied in relation to diseases of salmonid fishes. However, little information...
Resource Type:: Masters Thesis
Full Text:: indigenous to the aquatic environment. Myxobacteria are known to occur in soil, in the marine environment

Molecular characterization of bacterial populations implicated inthe anaerobic metabolism of toxic plant alkaloids from two different experimental and environmental sources

Creator:: Rattray, Rogan MacKay
Abstract:: There have been many studies that describe the protective degradation or metabolism of potentially harmful plant toxins, such as, mimosine from Leucaena leuconcephala, pyrrolizidine alkaloids from tansy ragwort (Senecio jacobaea), oxalate and some mycotoxins by rumen microbes. There are many cases of plant-related toxicoses suffered by ruminant animals where there...
Resource Type:: Masters Thesis
Full Text:: disruption of cell function or cell death [109]. In South Africa, 5 – 15% of all plant poisonings of

ScholarsArchive@OSU

R factor transfer among bacteria isolated from the environment

The activity of extracellular enzymes in starved and unstarved cells of a psychrophilic marine vibrio

A comparative study of fish coloration and toxicant responses in a chromatophore cell-based biosensor

Growth, survival, and antibiotic resistance transfer of Klebsiella in a botanical environment

The role of Salmonella typhimurium type three secretion system (T3SS) and effector proteins in chromatophore cell response.

Specific indicator organisms can define the magnitude and origins of non-point pollution in rural environments

Germicide effectiveness and taxonomic studies on microbial isolates from meat and poultry plants

The lipids of spore types B, E, and F and vegetative cell types E and F of Clostridium botulinum

Ecological study of aquatic myxobacteria in a woodland stream

Molecular characterization of bacterial populations implicated inthe anaerobic metabolism of toxic plant alkaloids from two different experimental and environmental sources

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