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A quantitative comparison of the incorporation of C¹⁴ labeled lipids and lipid precursors into Lee influenza virus

Creator:: McGregor, Sandy
Abstract:: A quantitative comparison was made of the incorporation of 14, C¹⁴ lipid compounds into Lee influenza virus. The compounds tested were either lipids reported to be present in the virus or precursors to virus lipid components. Infected chorioallantoic tissues were incubated in medium containing the C¹⁴ metabolites. The virus was...
Resource Type:: Masters Thesis
Full Text:: compounds studied. There seemed to be a relation 14 C between the amount of incorporated into the tissue

Comparison of certain sulfonamide drugs for treatment of bacterial infections of Pacific salmon

Creator:: Amend, Donald Ford
Abstract:: Experiments were conducted to determine the effects of feeding sulfamethazine to chinook salmon (Oncorhyncus tshawytscha, Walbaum) as it is used in the Oregon Moist Pellet diet (OMP) for control of bacterial infections and to compare this drug with sulfisoxazole and sulfadimethoxine. These drugs were compared in the following manner: toxicity,...
Resource Type:: Masters Thesis
Full Text:: he fed sulfona- rnides to brook trout (Salvelinus fontinalis, Mitchell) suffering frorn

A study of the fatty acids and lipids of Clostridium botulinum type B

Creator:: Paterno, Visitacion Asi
Abstract:: The difficulties encountered in working with micro-quantities of lipids have been overcome by the advent of new and improved procedures in chromatography which have made possible better fractionation and identification. Bacterial lipids because of their different lipid pattern from other life forms have stimulated much interest. Studies have been made...
Resource Type:: Masters Thesis
Full Text:: (52), group C Streptococcus (47), Micrococcus radiodurans (72) and Clostridium botulinum type A (84

Effect of Endothal and certain other selective herbicides on microbial activity in six different soils

Creator:: Au, Frederick Hung Fo
Abstract:: The effect of Endothal (3, 6-endoxyhexahydrophthalic acid), sodium pentachlorophenate (Na-PCP) and TD-47 (di-N, N-dimethylcocoamine salt of Endothal) on the microbial populations, ammonification, nitrification and respiration in six different soils was investigated. It was found that Endothal at 20 and 200 ppm had no adverse effect on the microbial population, ammonification,...
Resource Type:: Dissertation
Full Text:: assistance given under Project 78; Dr. K. C. Lu, Dr. Harry K. Phinney, Dr. Donald Guthrie, Jr., and the

Studies on purification and characterization of an autolytic enzyme from cell walls of Bacillus subtilis

Creator:: Brown, Willie Claiborne
Abstract:: The purpose of this investigation was to purify and characterize the autolytic enzyme from cell walls of Bacillus subtilis 168. The crude enzyme was obtained by autolysis of purified cell walls in buffer at 37° C. Two purification methods were developed. The first involved fractional precipitation with ammonium sulfate. The...
Resource Type:: Dissertation
Full Text:: by autolysis of purified cell walls in buffer at 37 C. o Two purification methods were developed

Properties of Pseudomonas aeruginosa resistant to quaternary ammonium compound

Creator:: Washam, Clinton Jay
Abstract:: Pseudomonas aeruginosa cells were selected for their ability to grow in the presence of 750 ppm alkyldimethylethylbenzyl ammonium chloride (QAC). These cells were found to retain their resistance to the germicide throughout tri-weekly transfers for 7 months in tryptone glucose yeast extract (TGY) broth containing no QAC. Comparisons of the...
Resource Type:: Dissertation
Full Text:: grow in TGY broth at pH 4. 5 . q while the latter could not achieve growth at pH 5.C. A study

Toxigenic and non-toxigenic strains of Clostridium botulinum type E : A. Differentiation by immunodiffusion : B. Attempts to induce toxigenicity by mutagenic agents

Creator:: Balstraz, Edwina Gene
Abstract:: In this study of toxigenic and non-toxigenic strains of Clostridium botulinum type E, attempts were made to induce toxin production in non-toxigenic cultures by exposure to mutagenic agents and to differentiate the organisms by immunodiffusion. First, cultures of non-toxic Cl. botulinum type E were exposed to various mutagenic agents in...
Resource Type:: Masters Thesis
Full Text:: protection from the toxin was given by Cl. botulinum type A, B, C or D antitoxin. Thus, a new botulinum

A study of the lipids of Pseudomonas aeruginosa sensitive and resistant to chloramphenicol and quaternary ammonium compound

Creator:: Anderes, Eugene Armin
Abstract:: From a population of cells of Pseudomonas aeruginosa sensitive 33 parts per million (ppm) and 0.1 mg per ml of quaternary ammonium (QAC) and chloramphenicol respectively, pure strains resistant to 750 ppm and 50 mg per ml of these antibiotics were isolated. Lipids from the sensitive and resistant cells grown...
Resource Type:: Dissertation
Full Text:: and presence of the antibiotic were grown in ten- to 30-liter volumes at room tem perature, 32 C

Methods of identifying food poisoning staphylococci

Creator:: Orth, Donald Simms
Abstract:: Several biochemical tests were studied to determine their correlation with coagulase activity. The lysozyme test was in perfect agreement with the coagulase test for the strains studied. Mannitol fermentation and egg yolk lipase tests were in agreement with the coagulase test for 96% of the coagulase positive strains. Sheep red...
Resource Type:: Masters Thesis
Full Text:: culture of the test organisms. The test system is incubated at 37°C and periodic readings are made up to

Effects of physiological state upon nitrosoguanidine-mediated allelic recombination in Saccharomyces cerevisiae

Creator:: Buettner, Michael John
Abstract:: Saccharomyces cerevisiae strain XS-380, a. heteroallelic diploid strain, carries six genetically analyzed loci on the left arm of chromosome VII. Nitrosoguanidine (NMG) at low concentrations was observed to cause allelic recombination (either mitotic recombination or gene conversion) of the heteroallelic loci with low lethality. The NMG-inducible heteroallelic system was used...
Resource Type:: Dissertation
Full Text:: Sordaria (Mitchell, 1955; Olive, 1959). As 14 a result of genetic analysis of allelic recombination in

ScholarsArchive@OSU

A quantitative comparison of the incorporation of C¹⁴ labeled lipids and lipid precursors into Lee influenza virus

Comparison of certain sulfonamide drugs for treatment of bacterial infections of Pacific salmon

A study of the fatty acids and lipids of Clostridium botulinum type B

Effect of Endothal and certain other selective herbicides on microbial activity in six different soils

Studies on purification and characterization of an autolytic enzyme from cell walls of Bacillus subtilis

Properties of Pseudomonas aeruginosa resistant to quaternary ammonium compound

Toxigenic and non-toxigenic strains of Clostridium botulinum type E : A. Differentiation by immunodiffusion : B. Attempts to induce toxigenicity by mutagenic agents

A study of the lipids of Pseudomonas aeruginosa sensitive and resistant to chloramphenicol and quaternary ammonium compound

Methods of identifying food poisoning staphylococci

Effects of physiological state upon nitrosoguanidine-mediated allelic recombination in Saccharomyces cerevisiae

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