Index Catalog // ScholarsArchive@OSU

The effects of cadmium on the nitrogen fixation system in Alnus rubra

Creator:: Wickliff, Carlos
Abstract:: Alnus rubra (Bong. ) seedlings were grown in sand culture and irrigated with nutrient solution containing CdCl₂ ranging from 5 μg to 100 mg per liter. Treatment of A. rubra seedlings for 4 weeks with 50 and 100 mg CdCl₂ per liter of nitrogen-free nutrient solution decreased in situ nitrogenase...
Resource Type:: Dissertation
Full Text:: sincere thanks to his co-major professors, Drs. Harold J. Evans and Donald B. Zobel, for their helpful

Taxonomy of marine nematodes occurring along Pacific Northwest coasts

Creator:: Murphy, Donald Guy
Resource Type:: Dissertation
Full Text:: Grateful acknowledgement is made for the guidance and assistance of Dr. Harold J. Jensen, my major

Purification and some properties of nitrogenase from soybean root nodules

Creator:: Israel, Daniel Wesley
Resource Type:: Dissertation
Full Text:: Privacy V 0----Harold J. Evans The Mo-Fe protein from bacteroids of soybean nodules has been purified

Nitrogen fixation associated with grasses and other species in Oregon

Creator:: Nelson, Arthur Duane
Abstract:: Nitrogen fixation in both natural and domestic grasslands of Oregon was studied using the acetylene reduction assay. A substantial number of these tests made gave positive acetylene reduction activity. Rates in the range of 60g N₂ fixed/ha/day were observed for some Agrostis species. Assuming that this rate proceeds for 100...
Resource Type:: Masters Thesis
Full Text:: made gave positive acetylene reduction activity. Rates in the range of 60 g fixed/ha/day were observed

The effects of univalent cations on the inductive formation of nitrate reductase

Creator:: Nitsos, Ronald Eugene
Abstract:: An investigation was undertaken to determine whether potassium is indeed necessary for the in vivo synthesis of a specific protein. The effects of univalent cations on the inductive formation of nitrate reductase and on the level of activity of representative non-adaptive enzyme are presented. Cultures of Neurospora crassa were grown...
Resource Type:: Masters Thesis
Full Text:: wishes to express his sincere apprecia tion to Dr. Harold J. Evans for his encouragement and for his

An investigation of the metabolism of poly-β-hydroxybutyrate and its possible role in nitrogen fixation in soybean root nodules

Creator:: Wong, Peter Pasteur, 1941-
Abstract:: A major objective of this investigation was to determine the possible roles, if any, of poly-β-hydroxybutyrate and products of its metabolic breakdown in symbiotic nitrogen fixation by nodule bacteroids. Changes in poly -β- hydroxybutyrate content and in activities of nitrogenase, β-hydroxybutyrate dehydrogenase, and isocitrate lyase were studied under various conditions...
Resource Type:: Dissertation
Full Text:: ACKNOWLEDGEMENTS The author wishes to thank his major professor, Dr. Harold J. Evans, for his continued

The biology and pathogenicity of a sheath nematode Hemicycliophora similis Thorne, 1955

Creator:: McKewan, Jeanette Anne
Abstract:: A study, using greenhouse and laboratory experiments, was made of Hemicycliophora similis from Bandon, Oregon to determine: identity and morphometrics, time and development of a life cycle, host plant preferences and optimum environmental conditions for reproduction and pathogenicity. Morphometric investigations revealed discrepancies between the measurements of this nematode species and...
Resource Type:: Masters Thesis
Full Text:: broccoli, E) Sterile beet, F) Infected beet, G) Sterile turnip, H) Infected turnip, I) Sterile rutabaga, J

Purification and properties of a ferredoxin from Rhizobium japonicum bacteroids

Creator:: Carter, Kevin Richard
Resource Type:: Dissertation
Full Text:: ferredoxin consisted of a small signal at g = 2.02 integrating to 0.19 spins per molecule. The EPR spectrum

Some properties of a particulate and a soluble nitrate reductase from Rhizobium japonicum

Creator:: Lowe, Richie Howard
Resource Type:: Dissertation
Full Text:: suspension was placed in a Tygon tube (0.5 inch internal diameter and 2.5 feet in length). For each g of wet

The glutamine synthetases in soybean root nodules and free-living Rhizobium japonicum

Creator:: Guevara, Juan Garcia
Abstract:: Glutamine synthetase activity is present in both the cytosol and bacteroid fractions of soybean root nodules. Total activity measurements indicate that at least 90% of the activity in nodules is located in the cytosol. Results reported by McParland, et al. (29), showed that many properties of glutamine synthetase from nodule...
Resource Type:: Dissertation
Full Text:: RHIZOBIUM JAPONICUM Abstract approved: Redacted for Privacy Harold J. Evans Glutamine synthetase activity

ScholarsArchive@OSU

The effects of cadmium on the nitrogen fixation system in Alnus rubra

Taxonomy of marine nematodes occurring along Pacific Northwest coasts

Purification and some properties of nitrogenase from soybean root nodules

Nitrogen fixation associated with grasses and other species in Oregon

The effects of univalent cations on the inductive formation of nitrate reductase

An investigation of the metabolism of poly-β-hydroxybutyrate and its possible role in nitrogen fixation in soybean root nodules

The biology and pathogenicity of a sheath nematode Hemicycliophora similis Thorne, 1955

Purification and properties of a ferredoxin from Rhizobium japonicum bacteroids

Some properties of a particulate and a soluble nitrate reductase from Rhizobium japonicum

The glutamine synthetases in soybean root nodules and free-living Rhizobium japonicum

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