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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:: AN ABSTRACT OF THE THESIS OF David Andrews Dalton for the degree of Doctor of Philosophy in Botany

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

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

The effects of univalent cations on the activity of particulate starch synthetase

Creator:: Nitsos, Ronald Eugene
Resource Type:: Dissertation
Full Text:: ACKNOWLEDGEMENTS The author wishes to thank his major professor, Dr. Harold J. Evans, for his interest and

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

A biochemical investigation of the nitrogenase system from soybean root nodules

Creator:: Koch, Burton Lee
Abstract:: The primary purpose of this investigation was to determine the conditions necessary for the preparation of cell-free extracts of nodule bacteroids capable of catalysing the reduction of acetylene to ethylene and nitrogen to ammonia. Initial investigations were conducted to determine whether intact soybean root nodules would reduce acetylene to ethylene...
Resource Type:: Dissertation
Full Text:: : Harold J. Evans The primary purpose of this investigation was to determine the conditions necessary for

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:: Hal-olvd J. Evans Alnus rubra (Bong. ) seedlings were grown in sand culture and irrigated with

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:: privacy / Dr. f14181-d--'7:7 Evans A major objective of this investigation was to determine the possible

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:: -Evans H2-uptake positive strains (122 DES and SR) and H2-uptake negative strains SR2 and SR3 of

Some properties of ribonucleotide reductase in Rhizobium species

Creator:: Cowles, Joe Richard, 1941-
Abstract:: Ribonucleotide reductase from Rhizobium meliloti has been partially purified and characterized. The enzymatic reduction of ribonucleotides to deoxyribonucleotides is dependent upon B₁₂ coenzyme and dihydrolipoate. B₁₂ coenzyme was more effective than B₁₂ coenzyme analogues in the reductase reaction. The affinity of the R. meliloti reductase system for B₁₂ coenzyme was...
Resource Type:: Dissertation
Full Text:: REDUCTASE IN RHIZOBIUM SPECIES Abstract approved: Redacted for privacy Harold J. Evans Ribonucleotide

ScholarsArchive@OSU

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

Enzymatic and respiratory studies on the role of cobalt in legumes

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

The effects of univalent cations on the activity of particulate starch synthetase

Purification and some properties of nitrogenase from soybean root nodules

A biochemical investigation of the nitrogenase system from soybean root nodules

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

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

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

Some properties of ribonucleotide reductase in Rhizobium species

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