Published in Proc Natl Acad Sci U S A on August 01, 1970
Acetylene reduction by nitrogen-fixing preparations from Clostridium pasteurianum. Biochim Biophys Acta (1966) 12.16
In situ studies on N2 fixation using the acetylene reduction technique. Proc Natl Acad Sci U S A (1967) 10.05
Toxicity of a unialgal culture of Microcystis aeruginosa. Can J Microbiol (1958) 7.55
Acetylene reduction by nitrogen-fixing blue-green algae. Arch Mikrobiol (1968) 2.20
In situ studies on N2 fixation using the acetylene reduction technique. Proc Natl Acad Sci U S A (1967) 10.05
PHOTOSYNTHESIS AND METABOLISM OF ORGANIC ACIDS IN HIGHER PLANTS. Plant Physiol (1951) 7.69
Chemical Changes in Submerged Penicillin Fermentations. J Bacteriol (1945) 6.78
Time Course of Fixation of N2 by Excised Soybean Nodules. Science (1952) 5.76
Acetylene as a competitive inhibitor of N-2 fixation. Proc Natl Acad Sci U S A (1967) 5.60
Methods for Growing Spirillum lipoferum and for Counting It in Pure Culture and in Association with Plants. Appl Environ Microbiol (1977) 4.97
THE MECHANISM OF BIOLOGICAL NITROGEN FIXATION. Bacteriol Rev (1947) 4.73
The adenosine triphosphate requirement for nitrogen fixation in cell-free extracts of Clostridium pasteurianum. Biochim Biophys Acta (1965) 4.09
Competition between Free and Combined Nitrogen in Nutrition of Azotobacter. Proc Natl Acad Sci U S A (1943) 4.02
Nitrogen fixation--assay methods and techniques. Methods Enzymol (1972) 3.82
Interactions among substrates and inhibitors of nitrogenase. J Bacteriol (1975) 3.38
NITROGEN FIXATION BY PHOTOSYNTHETIC BACTERIA. J Bacteriol (1949) 3.33
Activating factor for the iron protein of nitrogenase from Rhodospirillum rubrum. Science (1976) 3.20
A nitrogen pressure of 50 atmospheres does not prevent evolution of hydrogen by nitrogenase. Science (1984) 3.17
A micromethod for the purification and quantification of organic acids of the tricarboxylic acid cycle in plant tissues. Anal Biochem (1979) 3.13
Purification and properties of nitrogenase from Rhodospirillum rubrum, and evidence for phosphate, ribose and an adenine-like unit covalently bound to the iron protein. Biochem J (1978) 3.01
Inhibition of nitrogenase-catalyzed reductions. Biochim Biophys Acta (1973) 2.99
Transfer of C By Lupine Mitochondria Through Reactions of the Tricarboxylic Acid Cycle. Proc Natl Acad Sci U S A (1953) 2.91
Metabolism of Infiltrated Organic Acids by Tobacco Leaves. Plant Physiol (1952) 2.79
The Effect of Certain Chemicals on Penicillin Production and Mold Metabolism in Shake Flask Fermentations. J Bacteriol (1945) 2.75
Electron allocation to alternative substrates of Azotobacter nitrogenase is controlled by the electron flux through dinitrogenase. Biochim Biophys Acta (1980) 2.48
Nitrogenase and nitrogenase reductase associate and dissociate with each catalytic cycle. Proc Natl Acad Sci U S A (1978) 2.45
Purification and properties of the particulate hydrogenase from the bacteroids of soybean root nodules. Biochim Biophys Acta (1979) 2.41
NITROGEN FIXATION BY CELL-FREE PREPARATIONS FROM MICROORGANISMS. Proc Natl Acad Sci U S A (1960) 2.28
Electron paramagnetic resonance of nitrogenase and nitrogenase components from Clostridium pasteurianum W5 and Azotobacter vinelandii OP. Proc Natl Acad Sci U S A (1972) 2.24
Acetylene reduction by nitrogen-fixing blue-green algae. Arch Mikrobiol (1968) 2.20
Deoxyribonucleic acid base composition of species of Klebsiella, Azotobacter and Bacillus. Antonie Van Leeuwenhoek (1969) 2.15
Factors affecting growth and nitrogen fixation of Spirillum lipoferum. J Bacteriol (1976) 2.11
The Dissociation Constant in Nitrogen Fixation by Azotobacter. Proc Natl Acad Sci U S A (1942) 2.09
Translocation of Photosynthetic Products to Soybean Nodules and Their Role in Nitrogen Fixation. Plant Physiol (1958) 2.07
Growth of Spirillum lipoferum at constant partial pressures of oxygen, and the properties of its nitrogenase in cell-free extracts. J Gen Microbiol (1977) 2.01
Carbon Metabolism of C-Labeled Amino Acids in Wheat Leaves. II. Serine & its Role in Glycine Metabolism. Plant Physiol (1963) 2.00
Respiratory Enzyme Systems in Symbiotic Nitrogen Fixation: III. The Respiration of Rhizobium from Legume Nodules and Laboratory Cultures. J Bacteriol (1940) 1.98
Regulation of nitrogenase activity by ammonium chloride in Azospirillum spp. J Bacteriol (1986) 1.98
Removal of an adenine-like molecule during activation of dinitrogenase reductase from Rhodospirillum rubrum. Proc Natl Acad Sci U S A (1979) 1.93
Factors influencing the effectiveness of swimming pool bactericides. Appl Microbiol (1967) 1.92
Enhancement by Inositol of the Nodulation of Isolated Bean Roots. Science (1959) 1.91
Carbon and ammonia metabolism of Spirillum lipoferum. J Bacteriol (1976) 1.91
Inhibition of nitrogenase activity by NH+4 in Rhodospirillum rubrum. J Bacteriol (1981) 1.88
ATP hydrolysis and electron transfer in the nitrogenase reaction with different combinations of the iron protein and the molybdenum-iron protein. Biochim Biophys Acta (1972) 1.83
Reduction of azide by the N2-fixing enzyme system. Proc Natl Acad Sci U S A (1967) 1.82
Method for demonstrating cofactor requirements for nitrogen fixation. Biochim Biophys Acta (1965) 1.75
Inhibitors of nitrogen fixation in extracts from Clostridium pasteurianum. Biochim Biophys Acta (1965) 1.75
Organic Acid contents of soybean: age and source of nitrogen. Plant Physiol (1981) 1.75
Comparison of benefit to sugarcane plant growth and 15N2 incorporation following inoculation of sterile plants with Acetobacter diazotrophicus wild-type and Nif- mutants strains. Mol Plant Microbe Interact (2001) 1.71
Mutations in the draT and draG genes of Rhodospirillum rubrum result in loss of regulation of nitrogenase by reversible ADP-ribosylation. J Bacteriol (1991) 1.71
Oxidation of Indoleacetic Acid by Quackgrass Rhizomes. Plant Physiol (1959) 1.68
STABILITY OF NITROGEN-FIXING ENZYMES AND THE REACTIVATION OF A COLD LABILE ENZYME. Proc Natl Acad Sci U S A (1963) 1.64
Inhibition of nitrogenase-catalyzed NH3 formation by H2. Biochemistry (1983) 1.58
Complementary functioning of the component proteins of nitrogenase from several bacteria. J Bacteriol (1978) 1.56
Properties of heterocysts isolated with colloidal silica. Arch Microbiol (1976) 1.55
Respiration and Phosphorylation of Mitochondria from Normal and Crown-Gall Tissue Cultures of Tomato. Plant Physiol (1960) 1.49
Nitrogen fixation by Rhodospirillum rubrum grown in nitrogen-limited continuous culture. J Bacteriol (1969) 1.48
Posttranslational regulatory system for nitrogenase activity in Azospirillum spp. J Bacteriol (1989) 1.47
The kinetics of methyl viologen oxidation and reduction by the hydrogenase from Clostridium pasteurianum. Biochim Biophys Acta (1978) 1.46
Purification and properties of the constituents of the nitrogenase complex from Clostridium pasteurianum. J Bacteriol (1970) 1.41
Nitrogenase: the reaction between the Fe protein and bathophenanthrolinedisulfonate as a probe for interactions with MgATP. Biochemistry (1978) 1.41
Nitrogenase. Annu Rev Biochem (1976) 1.41
On the iron-sulfur cluster in hydrogenase from Clostridium pasteurianum W5. Proc Natl Acad Sci U S A (1975) 1.40
The binding of ATP and ADP by nitrogenase components from Clostridium pasteurianum. Biochim Biophys Acta (1973) 1.39
Nitrogenase-catalyzed reactions. Biochim Biophys Acta (1972) 1.39
Posttranslational regulation of nitrogenase activity by anaerobiosis and ammonium in Azospirillum brasilense. J Bacteriol (1993) 1.37
Nature of oxygen inhibition of nitrogenase from Azotobacter vinelandii. Proc Natl Acad Sci U S A (1972) 1.37
Iron-sulfur clusters in the molybdenum-iron protein component of nitrogenase. Electron paramagnetic resonance of the carbon monoxide inhibited state. Biochemistry (1979) 1.37
Occurrence and localization of two distinct hydrogenases in the heterocystous cyanobacterium Anabaena sp. strain 7120. J Bacteriol (1981) 1.36
Effects of Light and Temperature on the Association between Zea mays and Spirillum lipoferum. Plant Physiol (1977) 1.34
Role of magnesium adenosine 5'-triphosphate in the hydrogen evolution reaction catalyzed by nitrogenase from Azotobacter vinelandii. Biochemistry (1980) 1.33
Conversion of acetylene reduction rates to nitrogen fixation rates in natural populations of blue-green algae. Anal Biochem (1976) 1.33
Modes of reduction of nitrogen in heterocysts isolated from Anabaena species. Biochim Biophys Acta (1978) 1.30
Purification of the nitrogenase proteins from Clostridium pasteurianum. Biochim Biophys Acta (1972) 1.26
Diurnal variation in n(2) fixation and photosynthesis by aquatic blue-green algae. Plant Physiol (1977) 1.26
Purification and properties of cytochromes c of Azotobacter vinelandii. Biochim Biophys Acta (1969) 1.25
Kinetic studies on electron transfer and interaction between nitrogenase components from Azotobacter vinelandii. Biochemistry (1978) 1.23
Oxidation-reduction properties of several low potential iron-sulfur proteins and of methylviologen. Biochemistry (1976) 1.22
Effect of oxygen on acetylene reduction by photosynthetic bacteria. J Bacteriol (1981) 1.22
Changes in the EPR signal of dinitrogenase from Azotobacter vinelandii during the lag period before hydrogen evolution begins. J Biol Chem (1979) 1.21
Continuous spectrophotometric assay for nitrogenase. Anal Biochem (1972) 1.21
Light and dark reactions of the uptake hydrogenase in anabaena 7120. Plant Physiol (1981) 1.19
Interactions of heterologous nitrogenase components that generate catalytically inactive complexes. Proc Natl Acad Sci U S A (1976) 1.18
Kinetic mechanism of the hydrogen-oxidizing hydrogenase from soybean nodule bacteroids. Biochemistry (1981) 1.17
Oxidation of glucose, glycerol and acetate by Staphylococcus aureus. Biochem J (1947) 1.16
Ferredoxins from Bacillus polymyxa. Low potential iron-sulfur proteins which appear to contain single four iron, four sulfur centers accepting a single electron on reduction. J Biol Chem (1973) 1.15
Hydrogenase in actinorhizal root nodules and root nodule homogenates. J Bacteriol (1980) 1.14
The nitrogenase system of Spirillum lipoferum. Biochem J (1978) 1.14
Cell-free nitrogenase and hydrogenase from actinorhizal root nodules. Science (1979) 1.13
Cloning, sequencing, mutagenesis, and functional characterization of draT and draG genes from Azospirillum brasilense. J Bacteriol (1992) 1.13
Catabolism of carbohydrates and organic acids and expression of nitrogenase by azospirilla. J Bacteriol (1984) 1.12
Comparative characterization of two distinct hydrogenases from Anabaena sp. strain 7120. J Bacteriol (1981) 1.12
Regulation of nitrogenase activity by oxygen in Azospirillum brasilense and Azospirillum lipoferum. J Bacteriol (1987) 1.11
Progress in the biochemistry of nitrogen fixation. Proc R Soc Lond B Biol Sci (1969) 1.10
The Metabolism of Nitrogenous Compounds by Sunflower Crown Gall Tissue Cultures. Plant Physiol (1954) 1.09
Hydrazine and hydroxylamine as possible intermediates in the biological fixation of nitrogen. Arch Biochem Biophys (1967) 1.07
Pseudomonas aeruginosa for the evaluation of swimming pool chlorination and algicides. Appl Microbiol (1969) 1.06
Cytokinin activation of de novo thiamine biosynthesis in tobacco callus cultures. Plant Physiol (1969) 1.05
Comparison studies of dinitrogenase reductase ADP-ribosyl transferase/dinitrogenase reductase activating glycohydrolase regulatory systems in Rhodospirillum rubrum and Azospirillum brasilense. J Bacteriol (1995) 1.04
Ferredoxin from Bacillus polymyxa. Biochem Biophys Res Commun (1971) 1.04
Influence of pN2 and pD2 on HD formation by various nitrogenases. Biochemistry (1983) 1.03
Nature and Distribution of Glycolic Acid Oxidase in Plants. Plant Physiol (1954) 1.03