Search Results - "EVANS, HAROLD J"

Purification, Properties, and Distribution of Ascorbate Peroxidase in Legume Root Nodules by Dalton, David A., Hanus, F. Joe, Russell, Sterling A., Evans, Harold J.

“…All aerobic biological systems, including N2-fixing root nodules, are subject to O2 toxicity that results from the formation of reactive intermediates such as…”
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Enzymatic reactions of ascorbate and glutathione that prevent peroxide damage in soybean root nodules by Dalton, D.A, Russell, S.A, Hanus, F.J, Pascoe, G.A, Evans, H.J

“…The critical problem of oxygen toxicity for nitrogen-fixing organisms may be related to damage caused by oxygen radicals and peroxides. An enzymatic mechanism…”
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Energy state and dinitrogen fixation in soybean nodules of dark-grown plants by Ching, Te May, Saundra Hedtke, Russell, Sterling A., Evans, Harold J.

“…Dark treatment of 25-day-old greenhouse-grown plants of inoculated soybean (Glycine max var. Chippewa) for 1 day reduced ATP by 70%, sucrose by 60%, total…”
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Enzymes of the Glyoxylate Cycle in Rhizobia and Nodules of Legumes by Gordon V. Johnson, Evans, Harold J., Te May Ching

“…The relatively high level of fatty acids in soybean nodules and rhizobia from soybean nodules suggested that the glyoxylate cycle might have a role in nodule…”
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Hydrogen Evolution: A Major Factor Affecting the Efficiency of Nitrogen Fixation in Nodulated Symbionts by Schubert, Karel R., Evans, Harold J.

“…Nitrogenase-dependent hydrogen evolution from detached legume nodules and from reaction mixtures containing cell-free nitrogenase has been well established,…”
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A Cobalt Requirement for Symbiotic Growth of Azolla filiculoides in the Absence of Combined Nitrogen by Gordon V. Johnson, Patricia A. Mayeux, Evans, Harold J.

“…Cobalt was shown to be essential for the symbiotic growth of Azolla filiculoides and Anabaena azollae in the absence of fixed nitrogen. Addition of 0.01…”
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Nickel: a micronutrient element for hydrogen-dependent growth of Rhizobium japonicum and for expression of urease activity in soybean leaves [Glycine max] by Klucas, Robert V., Hanus, F. Joe, Russell, Sterling A., Evans, Harold J.

“…Soybean plants and Rhizobium japonicum 122 DES, a hydrogen uptake-positive strain, were cultured in media purified to remove Ni. Supplemental Ni had no…”
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Construction of a Rhizobium japonicum Gene Bank and Use in Isolation of a Hydrogen Uptake Gene by Cantrell, Michael A., Haugland, Richard A., Evans, Harold J.

“…A gene bank of Rhizobium japonicum DNA was constructed by using the broad host range conjugative cosmid pLAFR1. Eighty-three percent of the clones in the bank…”
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Hydrogen-dependent nitrogenase activity and ATP formation in Rhizobium japonicum bacteroids [from soybean nodules] by Emerich, D W, Ruiz-Argüeso, T, Ching, T M, Evans, H J

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Autotrophic growth of H2 -uptake-positive strains of Rhizobium japonicum in an atmosphere supplied with hydrogen gas by Hanus, F.J, Maier, R.J, Evans, H.J

“…Previous research from this laboratory has demonstrated CO2-fixing and H2-uptake capacities of certain strains of Rhizobium japonicum. In this report we have…”
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Hydrogenase in Rhizobium japonicum increases nitrogen fixation by nodulated soybeans by Albrecht, Steve L., Maier, Robert J., Hanus, F. Joe, Russell, Sterling A., Emerich, David W., Evans, Harold J.

“…Some Rhizobium strains synthesize a unidirectional hydrogenase system in legume nodule bacteroids; this system participates in the recycling of hydrogen that…”
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Spectral evidence for a component involved in hydrogen metabolism of soybean nodule bacteroids [Rhizobium japonicum] by Günter Eisbrenner, Evans, Harold J.

“…A component with a difference spectrum similar to that of b-type cytochromes which becomes reduced upon the addition of H2 has been demonstrated in soybean…”
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Relation between glutamine synthetase and nitrogenase activities in the symbiotic association between Rhizobium japonicum and Glycine max [soybean] by Bishop, P E, Guevara, J G, Engelke, J A, Evans, H J

“…The activity and extent of adenylylation of glutamine synthetase was examined in both free-living and bacteroid forms of Rhizobium japonicum in the presence of…”
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Rhizobium japonicum mutants unable to use hydrogen by MAIER, ROBERT J, POSTGATE, JOHN R, EVANS, HAROLD J

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Symbiotic expression of cosmid-borne Bradyrhizobium japonicum hydrogenase genes by LAMBERT, G. R, HARKER, A. R, CANTRELL, M. A, HANUS, F. J, RUSSELL, S. A, HAUGLAND, R. A, EVANS, H. J

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Expression of Hydrogenase Activity in Free-Living Rhizobium japonicum by Maier, Robert J., Norman E. R. Campbell, Hanus, Frank J., Simpson, Frank B., Russell, Sterling A., Evans, Harold J.

“…A medium is described on which selected Rhizobium japonicum strains express hydrogenase (H2uptake) activity under free-living conditions. Low concentrations of…”
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Intra- and interspecies transfer and expression of Rhizobium japonicum hydrogen uptake genes and autotrophic growth capability by Lambert, Grant R., Cantrell, Michael A., Hanus, F. Joe, Russell, Sterling A., Haddad, Karen R., Evans, Harold J.

“…Cosmids containing hydrogen uptake genes have previously been isolated in this laboratory. Four new cosmids that contain additional hup gene(s) have now been…”
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Respiratory and Nitrogenase Activities of Soybean Nodules Formed by Hydrogen Uptake Negative ($\text{Hup}^{-}$) Mutant and Revertant Strains of Rhizobium japonicum Characterized by Protein Patterns by Jean Jacques Drevon, Linda Frazier, Russell, Sterling A., Evans, Harold J.

“…Rates of respiratory CO2 loss and nitrogenase activities of H2 uptake-negative mutant strains and H2 uptake-positive revertant strains of Rhizobium japonicum…”
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Hydrogen Evolution from Alfalfa and Clover Nodules and Hydrogen Uptake by Free-Living Rhizobium meliloti by Ruiz-Argüeso, T, Maier, R J, Evans, H J

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Reduction of Acetylene to Ethylene by Soybean Root Nodules by Koch, Burton, Evans, Harold J.

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