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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:: - quirements similar to those of the E. coli B reductase system. Fe++, however, stimulated the Novikoff

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:: An investigation of the metabolism of poly-B

Electron transport pathways in revertible hydrogen-uptake negative mutants and parent strain of Rhizobium japonicum

Creator:: Hickok, Ruth Ellen
Resource Type:: Masters Thesis
Full Text:: investigation is the discovery that a cytochrome b in chemolithotrophically cultured cells of strain SR is

Purification and some properties of nitrogenase from soybean root nodules

Creator:: Israel, Daniel Wesley
Resource Type:: Dissertation

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:: . S-methylmalonyl CoAf_JL:_2R-methylmalonyl CoA 3 0 3. 00C-CH-C-SCoA B 12 enzyme 500C-CH2-CH2-C

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

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:: reactions: metal A L-glutamine + NH2OH T ADP Y-glutamyl hydroxamate + NH 3 (b) P. 1 or arsenate metal

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

Creator:: Lowe, Richie Howard
Resource Type:: Dissertation
Full Text:: specifi cally restored by Mo. Other metals, including Fe, Zn, Mn, Ni, Co, Hg, W, U, V and B, were

The effect of univalent cation salts on properties of pyruvate kinase

Creator:: Wilson, Richard Hansel
Resource Type:: Dissertation
Full Text:: » 1--. 5 U Q _J 80 Q i-- Z 60 p 40 I-- w 20 U cr w 0 a_ K+ R b+ NH4 N a

Propionate metabolism and its relationship to leghemoglobin biosynthesis in soybean nodules

Creator:: Jackson, Earl Kenneth
Abstract:: Experiments are reported which demonstrate that a cobalt deficiency in R. meliloti results in a decreased cytochrome content of bacterial cells. It is concluded that the effect of cobalt deficiency on cytochrome content of Rhizobium cells and on the leghemoglobin content of nodules possibly may be explained by an effect...
Resource Type:: Dissertation
Full Text:: condensed with glycine to form the direct precursor of porphyrins, b -aminolevulinic acid. Richmond and

ScholarsArchive@OSU

Some properties of ribonucleotide reductase in Rhizobium species

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

Electron transport pathways in revertible hydrogen-uptake negative mutants and parent strain of Rhizobium japonicum

Purification and some properties of nitrogenase from soybean root nodules

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

A biochemical investigation of the nitrogenase system from soybean root nodules

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

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

The effect of univalent cation salts on properties of pyruvate kinase

Propionate metabolism and its relationship to leghemoglobin biosynthesis in soybean nodules

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