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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

Investigations into the physiology of nitrogen fixation : Part I. Nickel metabolism of plants and bacteria : Part II. Peroxide scavenging in soybean root nodules

Creator:: Dalton, David Andrews
Abstract:: PART I. The concentration of nickel in some soils may be insufficient to meet the requirements of enzymes such as urease in soybeans and hydrogenase in Rhizobium. Nickel availability in soils was examined by measuring microbial urease activity in soils which were treated with glucose and urea. Supplemental nickel was...
Resource Type:: Dissertation
Full Text:: Nodules Abstract approved: v (Harold J. Evans) Redacted for privacy PART I. The concentration of

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

Hydrogen-stimulated CO₂ fixation and coordinate derepression of hydrogenase and ribulosebisphosphate carboxylase in a H₂-uptake positive strain of Rhizobium japonicum

Creator:: Simpson, Frank Berry
Abstract:: H₂-uptake positive strains (122 DES and SR) and H₂-uptake negative strains SR2 and SR3 of Rhizobium japonicum were examined for ribulosebisphosphate (RuBP) carboxylase and H₂-uptake activities during growth conditions which induced formation of the hydrogenase system. The rate of ¹⁴CO₂ uptake by hydrogenase-induced cells was about six times greater in...
Resource Type:: Masters Thesis
Full Text:: like to thank Professor Harold J. Evans for having high and demanding standards which forced me to

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

Enzymatic and respiratory studies on the role of cobalt in legumes

Creator:: De Hertogh, August
Resource Type:: Dissertation
Full Text:: his sincere appreciation to Dr. Harold J. Evans for suggesting the problem, and for his interest

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

ScholarsArchive@OSU

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

Investigations into the physiology of nitrogen fixation : Part I. Nickel metabolism of plants and bacteria : Part II. Peroxide scavenging in soybean root nodules

Purification and some properties of nitrogenase from soybean root nodules

Nitrogen fixation associated with grasses and other species in Oregon

Hydrogen-stimulated CO₂ fixation and coordinate derepression of hydrogenase and ribulosebisphosphate carboxylase in a H₂-uptake positive strain of Rhizobium japonicum

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

Enzymatic and respiratory studies on the role of cobalt in legumes

Purification and properties of a ferredoxin from Rhizobium japonicum bacteroids

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

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