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Pathogenic, antigenic, and immunogenic properties of Aeromonas salmonicida studied in juvenile coho salmon (Oncorhynchus kisutch)

Creator:: Udey, Lanny R.
Abstract:: An additional layer, exterior to the outer membrane cellwall layer, was found on Aeromonas salmonicida cells from aggregating strains. Nonaggregating strains were found to lack this layer. The nonaggregating strains were all avirulent (LD₅₀ greater than 1 X 10 ⁸ CFU/fish) while the majority of the aggregating strains were virulent...
Resource Type:: Dissertation
Full Text:: presented Typed by Esther J. Byrd for Lanny R. Udey ACKNOWLEDGEMENTS I would like extend my

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

Characterization of bacterial populations and turbidity effects in chlorinated drinking water

Creator:: LeChevallier, Mark W.
Abstract:: The present study was conducted as a three part investigation to (i) examine the incidence, distribution and kinds of standard plate count bacteria present in chlorinated and raw water; (ii) study the ecological role and possible health significance of Aeromonas spp. in distribution water, and (iii) evaluate the effects of...
Resource Type:: Masters Thesis
Full Text:: . Ramon J. Seidler and Dr. Thomas M. Evans for their guidance and help in performing this project

Molecular taxonomy of Aeromonas

Creator:: Beach, Peter Gavette
Abstract:: DNA reassociations, measured by optical and double label membrane filter techniques, were used to assess genetic relationships among Aeromonas and enterobacteria. Aeromonads from human sources, food, fresh water, fish, and pet turtles were examined. The base compositions of three A. salmonicida isolates were 58% G+C while the base compositions of...
Resource Type:: Masters Thesis
Full Text:: : Redacted for Privacy Raymo J. Seidler DNA reassociations, measured by optical and double label membrane

Interactions between microbial dynamics, water flow, and solute transport in unsaturated porous media

Creator:: Yarwood, Rockie R.
Abstract:: Bioremediation in the vadose zone is unpredictable because of poor understanding of factors influencing microbial growth in this environment. A lab-scale experimental system was developed to examine, noninvasively, interactions between microbial growth, water flow, and solute transport in unsaturated porous media. Measurements of microbial colonization, and its impact on hydrology,...
Resource Type:: Dissertation
Full Text:: : Peter J. Bioremediation in the vadose zone is unpredictable because of poor understanding of factors

Microbial diversity, metabolic potential, and transcriptional activity along the inner continental shelf of the Northeast Pacific Ocean

Creator:: Bertagnolli, Anthony D.
Abstract:: Continental shelves located along eastern boundary currents occupy relatively small volumes of the world’s oceans, yet are responsible for a large proportion of global primary production. The Oregon coast is among these ecosystems. Recent analyses of dissolved oxygen at shallow depths in the water column has suggested increasing episodes of...
Resource Type:: Dissertation
Full Text:: : _____________________________________________________ Stephen J. Giovannoni Continental shelves located along eastern boundary currents occupy

Partial characterization of six established salmonid cell lines

Creator:: Philippon-Fried, Marie
Abstract:: Six salmonid cell lines previously established in this laboratory, CHSE 114 and CHSE 214 (chinook salmon), CSE 119 (coho salmon), SSE 5 (sockeye salmon), STE 137 (steelhead trout) and RTH 149 (rainbow trout), were partially characterized. Mycoplasmas were not detected in any of the cell lines. All cell lines exhibited...
Resource Type:: Masters Thesis
Full Text:: previously established in this laboratory (Dept. Microbiology, Oregon State U., Laboratory of Dr. J. L

Comparison of Flexibacter columnaris strains isolated from fish in North America and other areas of the Pacific Rim

Creator:: Song, Yen-ling
Abstract:: Twenty-two isolates of Flexibacter columnaris were collected from different species of fish from a wide geographic range. Shieh medium was selected and modified to provide satisfactory growth of F. columnaris strains. Although there were three phenotypic variations in colony morphology among the strains observed, the environmental and biochemical characteristics as...
Resource Type:: Dissertation
Full Text:: this study possible: To Dr. J. L. Fryer for the opportunity to work in his laboratory and for his

Comparative sanitary and health significance of environmental and clinical Klebsiella species

Creator:: Bagley, Susan Tuck
Resource Type:: Dissertation
Full Text:: Abstract approved: \''Ramon J. Ai die In order to clarify the sanitary and potential health significance

Virulence factors of Aeromonas salmonicida and their interaction with the salmonid host

Creator:: Rockey, Daniel D.
Abstract:: Selected secreted and cellular virulence factors of Aeromonas salmonicida were examined. A protocol was developed for the separation of two secreted proteases (P1 and P2 protease), and a trout erythrocyte specific hemolysin (T-lysin) from supernatants of cultures of the bacterium. Distinctions between the proteases were demonstrated using molecular weight determinations,...
Resource Type:: Dissertation
Full Text:: and from the N. L. Tartar Fellowship Fund. CONTRIBUTION OF AUTHORS Dr. J. S. Rohovec and Dr. J. L

ScholarsArchive@OSU

Pathogenic, antigenic, and immunogenic properties of Aeromonas salmonicida studied in juvenile coho salmon (Oncorhynchus kisutch)

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

Characterization of bacterial populations and turbidity effects in chlorinated drinking water

Molecular taxonomy of Aeromonas

Interactions between microbial dynamics, water flow, and solute transport in unsaturated porous media

Microbial diversity, metabolic potential, and transcriptional activity along the inner continental shelf of the Northeast Pacific Ocean

Partial characterization of six established salmonid cell lines

Comparison of Flexibacter columnaris strains isolated from fish in North America and other areas of the Pacific Rim

Comparative sanitary and health significance of environmental and clinical Klebsiella species

Virulence factors of Aeromonas salmonicida and their interaction with the salmonid host

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