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A physiological approach to a rapid method for identifying C. botulinum

Creator:: Dyer, John Kaye
Abstract:: Disc gel electrophoresis of the vegatative cell -free extracts ofstrains of Clostridium botulinum types A, B, C, E, and F and therelated nontoxic group showed limited value as a means for identifyingthese closely related microorganisms, since separation,though not consistent in all cases, could only be based on the numberof protein...
Resource Type:: Dissertation
Full Text:: C. botulinum AN ABSTRACT OF THE THESIS OF John Kaye Dyer for the (Name of student) in

The terminal reactions in the biosynthesis of methionine in Saccharomyces cerevisiae

Creator:: Pigg, C. JoAnne
Abstract:: The terminal reactions in the biosynthetic pathway of methionine in Saccharomyces cerevisiae were investigated in this study. Analyses of a number of methionine auxotrophs for biochemical deficiences established four mutant groups. It was observed from qualitative feeding experiments that some auxotrophs were able to utilize S-adenosylmethionine (AM) and S-adenosyl-homocysteine (AH)...
Resource Type:: Dissertation
Full Text:: . General scheme for methionine biosynthesis in microorganisms. `1 I J 4 N = C - NH I I 2 HC

Marine geology of Astoria deep-sea fan

Creator:: Nelson, C. Hans (Carlton Hans), 1937-
Resource Type:: Dissertation
Full Text:: MTNS . (7 4 CASCADIA 0 C, .. .... C' ciTMe' - PLN o I :...:. . KLAMATI : 42 42 MTNS BASIN-RANGE

Pathways of glucose utilization and ribose synthesis in the chick embryo

Creator:: Coffey, Ronald Gibson
Abstract:: The production of C¹⁴O₂ metabolized from glucose labeled in specific carbon atoms by homogenates of chick embryonic and adult heart was compared by the radiorespirometric technique. Homogenates of early (two to five days of incubation) embryo hearts were found to utilize the phosphogluconate pathway of glucose catabolism to a greater...
Resource Type:: Dissertation
Full Text:: RIBOSE (Major profess or) 14 The production of c o metabolized from glucose labeled in 2 specific

The influence of various climate and edaphic factors on the toxicity of 2-tert. butylamino-4-ethylamino-6-methylthio-s-triazine (Igran) to winter wheat (Triticum aestivum Vill., Host)

Creator:: Figuerola, Luis Fernan
Abstract:: Several studies were conducted to determine the influence of various environmental factors on the toxicity of 2-tert.butylamino- 4-ethylamino-6-methylthio-s-triazirxe (Igran) to winter wheat. The effect of temperature on Igran toxicity was studied by growing wheat plants in pots submerged in water baths to control soil temperature and in controlled-environment chambers. Igran...
Resource Type:: Dissertation
Full Text:: temperature and in controlled-environment chambers. Igran was more toxic to the test plants at 20-25 C than

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

Distribution of Clostridium botulinum type E in fish, shellfish and the marine environment of the Pacific Northwest, and protein patterns of the toxigenic and non-toxigenic stains

Creator:: Craig, James Morrison
Abstract:: Interest in the distribution of Clostridium botulinum type E was heightened by the sudden outbreak of human botulism from smoked whitefish chubs and canned tuna fish in 1963. The question arose as to how widely the organism is distributed among fish and shellfish in the Northwest and what potential hazard...
Resource Type:: Dissertation
Full Text:: incidence and Redacted for Privacy distribution of C. botulinum in the marine organisms and environment

The study of the influence of the nitro substituent on the hydrazinolysis of certain substituted 5-nitropyrimidines

Creator:: Stahl, Quade Russell
Abstract:: The unique reaction between 4, 6-dimethoxy-5-nitropyrimidine and methylhydrazine was investigated. The reaction product was identified as 4-hydrazino-6-hydroxypyrimidine from (a) spectral data, (b) by direct synthesis of the product via 4-chloro-6-hydroxypyrimidine and hydrazine, and (c) by conversion of the product to the known 4-amino-6-hydroxypyrimidine using Raney nickel. The product was not...
Resource Type:: Dissertation
Full Text:: - pyrimidine and hydrazine, and (c) by conversion of the product to the known 4-amino-6-hydroxypyrimidine

Marine geology of Astoria submarine canyon

Creator:: Carlson, Paul R. (Paul Roland), 1933-
Resource Type:: Dissertation
Full Text:: groups. 91 28. C M patterns of the Astoria Canyon area compared to 95 CM patterns for sediments from

The distribution, growth habits, and control of German velvetgrass (Holcus mollis L.) in Western Oregon

Creator:: Lee, William O., 1911-
Abstract:: A study was conducted on German velvetgrass (Holcus mollis L.), a weedy, rhizomateous perennial grass introduced in the United States in relatively recent years, The purpose of this study was to learn more about its distribution, growth habits, and control under conditions found in Western Oregon. German velvetgrass infestations of...
Resource Type:: Dissertation
Full Text:: gerrnination occurred at r5.c. Rhizorne forrnation on new seedlings occurred 35 to 40 days after ernergence and

ScholarsArchive@OSU

A physiological approach to a rapid method for identifying C. botulinum

The terminal reactions in the biosynthesis of methionine in Saccharomyces cerevisiae

Marine geology of Astoria deep-sea fan

Pathways of glucose utilization and ribose synthesis in the chick embryo

The influence of various climate and edaphic factors on the toxicity of 2-tert. butylamino-4-ethylamino-6-methylthio-s-triazine (Igran) to winter wheat (Triticum aestivum Vill., Host)

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

Distribution of Clostridium botulinum type E in fish, shellfish and the marine environment of the Pacific Northwest, and protein patterns of the toxigenic and non-toxigenic stains

The study of the influence of the nitro substituent on the hydrazinolysis of certain substituted 5-nitropyrimidines

Marine geology of Astoria submarine canyon

The distribution, growth habits, and control of German velvetgrass (Holcus mollis L.) in Western Oregon

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