Index Catalog // ScholarsArchive@OSU

Glucocorticoid regulation of salmonid B lymphocytes

Creator:: Tripp, Ralph A.
Abstract:: The in vitro effects of cortisol in regulating salmonid B cell functions were investigated. B cells at three distinct stages of differentiation were examined for cortisol sensitivity. B lymphocyte responses were examined 1) during the early stage of the precursor, 2) during the intermediate stage of differentiation associated with clonal...
Resource Type:: Dissertation
Full Text:: cell functions were investigated. B cells at three distinct stages of differentiation were examined

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:: maintained in the proper environment. While they may be more cost-effective, many cell lines have genetic

Single-Cell Genomics of Uncultivated Marine Bacteria

Creator:: Landry, Zachary
Abstract:: Historically, the difficulty of obtaining pure cultures of abundant marine microbial plankton has an obstacle to reconstructing the underlying mechanisms of biogeochemistry in the ocean. While a number of dominant marine species from the ocean surface have been cultured, the dominant microbial plankton of the dark ocean proved far more...
Resource Type:: Dissertation
Full Text:: first true single-cell, full-genome analysis from the marine environment, revealing the genome of a

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

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
Full Text:: in Microbiology presented on September 9, 2009. Title: Chromatophores as Cell-based Biosensors

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

Delineation of the composition of an indigenous soil population of Rhizobium meliloti in root nodules of uninoculated field grown Medicago sativa L.

Creator:: Jenkins, Michael B.
Abstract:: Agronomic and microbiological studies were conducted on "Anchor" alfalfa (Medicago sativa L.) established from uninoculated seed on three Aridisols in central Oregon. Significant responses to 230 Kg N per ha (NH₄NO₃), which was applied in mid-April and after each first and second harvests, were observed in yield parameters of the...
Resource Type:: Dissertation
Full Text:: nodule numbers declined from 66 to 11 per plant between the first and third harvests. All isolates

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

ScholarsArchive@OSU

Glucocorticoid regulation of salmonid B lymphocytes

Bacterial pathogens and associated toxins involved in erythrophore cell aggregation

Single-Cell Genomics of Uncultivated Marine Bacteria

R factor transfer among bacteria isolated from the environment

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

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

Delineation of the composition of an indigenous soil population of Rhizobium meliloti in root nodules of uninoculated field grown Medicago sativa L.

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

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