Carbon and nitrogen metabolism in legume root nodules

Energy charge of the adenylate pool as a regulatory parameter. Interaction with feedback modifiers

1968 • 2,371 citations

The Acetylene-Ethylene Assay for N₂ Fixation: Laboratory and Field Evaluation

1968 • 2,209 citations

Control of leghaemoglobin synthesis in snake beans

1971 • 907 citations

The pathway of nitrogen assimilation in plants

1976 • 533 citations

Asparaginase and Glutaminase Activities of Micro-organisms

1973 • 449 citations

Metabolic detoxification of ammonia in tissues of higher plants

1979 • 402 citations

Uptake, assimilation and transport of nitrogen compounds by plants

1973 • 378 citations

REGULATION OF ENZYME FUNCTION

1969 • 374 citations

Ammonia Assimilation by Rhizobium Cultures and Bacteroids

1975 • 325 citations

Hydrogenase in legume root nodule bacteroids: Occurrence and properties

1972 • 285 citations

Nitrogen fixation by the bacteroid fraction of breis of soybean root nodules

1967 • 242 citations

Transport in the Phloem

1960 • 241 citations

The Carbon Balance of a Legume and the Functional Economy of its Root Nodules

1973 • 228 citations

The Quantitative Relationship between Nitrogen Fixation and the Acetylene-Reduction Assay

1970 • 226 citations

The mechanism of ammonia assimilation in nitrogen fixing bacteria

1971 • 221 citations

Nitrogen fixation by Rhizobium cultured on a defined medium

1975 • 221 citations

Regulation of nitrogen fixation by Rhizobia export of fixed N2 as NH4+

1976 • 215 citations

Facilitated Oxygen Diffusion

1974 • 214 citations

Relation between Glutamine Synthetase and Nitrogenase Activities in the Symbiotic Association between Rhizobium japonicum and Glycine max

1976 • 173 citations

Nitrogenase activity in rhizobia in absence of plant host

1975 • 169 citations

Biochemistry of Symbiotic Nitrogen Fixation in Legumes

1971 • 160 citations

Poly-β-hydroxybutyrate Utilization by Soybean (Glycine max Merr.) Nodules and Assessment of Its Role in Maintenance of Nitrogenase Activity

1971 • 159 citations

Allantoin and Allantoic Acid in the Nitrogen Economy of the Cowpea (Vigna unguiculata [L.] Walp.)

1978 • 148 citations

The Enzymatic Carboxylation of Phosphoenolpyruvate

1966 • 148 citations

Studies on the Mitochondrial Adenosine Triphosphatase System

1968 • 142 citations

Acetylene reduction by Rhizobium in pure culture

1975 • 138 citations

Rhizobium japonicum derivatives differing in nitrogen-fixing efficiency and carbohydrate utilization

1976 • 135 citations

Ammonia assimilation in lupin nodules

1976 • 130 citations

Ontogenetic Interactions between Photosynthesis and Symbiotic Nitrogen Fixation in Legumes

1977 • 129 citations

Occurrence of Poly-β-Hydroxybutyric Acid in Aerobic Gram-Negative Bacteria

1958 • 127 citations

Glucose Catabolism in Rhizobium japonicum

1969 • 126 citations

Utilization of Net Photosynthate for Nitrogen Fixation and Protein Production in an Annual Legume

1977 • 125 citations

Carbon Dioxide Fixation by Lupin Root Nodules

1977 • 122 citations

The purification and properties of the glutamine synthetase from the cytosol of Soya-bean root nodules

1976 • 115 citations

Asparaginase and Asparagine Transaminase in Soybean Leaves and Root Nodules

1977 • 111 citations

Studies of the physiological role of leghaemoglobin in soybean root nodules

1973 • 106 citations

The Bacterial Component of Soybean Root Nodules; Changes in Respiratory Activity, Cell Dry Weight and Nucleic Acid Content with Increasing Nodule Age

1958 • 105 citations

Effects of Allopurinol [4-Hydroxypyrazolo(3,4-d)Pyrimidine] on the Metabolism of Allantoin in Soybean Plants

1978 • 105 citations

CARBOHYDRATE SUPPLY AS A PRIMARY FACTOR IN LEGUME SYMBIOSIS

1935 • 104 citations

Induction of Glutamine Synthetase During Nodule Development in Lupin

1975 • 103 citations

The Significance of Transpirationally Derived Nitrogen in Protein Synthesis in Fruiting Plants of Pea (Pisum sativumL.)

1973 • 103 citations

Nitrate Dependent Anaerobic Acetylene-reduction and Nitrogen-fixation by Soybean Bacteroids

1973 • 102 citations

Enzymes of Nitrogen Metabolism in Legume Nodules

1977 • 101 citations

Induction of glutamate synthase during nodule development in lupin

1975 • 100 citations

Distribution and change in the contents of allantoin and allantoic acid1 in developing nodulating and non-nodulatng soybean plants

1977 • 100 citations

Glutamine-dependent asparagine synthetase from Lupinus luteus

1975 • 99 citations

Involvement of oxyleghaemoglobin and cytochrome P-450 in an efficient oxidative phosphorylation pathway which supports nitrogen fixation in Rhizobium

1975 • 95 citations

Enzymes of purine catabolism in soybean plants

1975 • 89 citations

Nitrogenase

1976 • 86 citations

Partitioning and Utilization of Net Photosynthate in a Nodulated Annual Legume

1978 • 84 citations

The plant as the genetic determinant of leghaemoglobin production in the legume root nodule

1969 • 83 citations

Cellular Location and Concentration of Leghaemoglobin in Soybean Root Nodules

1973 • 80 citations

Enzymatic Basis for Differentiation of Rhizobium into Fast- and Slow-Growing Groups

1972 • 80 citations

The nitrate stress syndrome of the nodulated field pea (Pisum arvense L.) Techniques for measurement and evaluation in physiological terms

1971 • 79 citations

The purification and properties of glutamine-dependent asparagine synthetase isolated from Lupinus albus

1975 • 76 citations

Translocation of Photosynthetic Products to Soybean Nodules and Their Role in Nitrogen Fixation.

1958 • 74 citations

Enzymes of the Glyoxylate Cycle in Rhizobia and Nodules of Legumes

1966 • 73 citations

Effect of Light Intensity on Efficiency of Carbon Dioxide and Nitrogen Reduction in Pisum sativum L.

1977 • 72 citations

Purification and Some Properties of the Nitrogenase From Soybean (Glycine max Merr.) Nodules

1968 • 70 citations

In vivo and in vitro studies on asparagine biosynthesis in soybean seedlings

1973 • 69 citations

Initial Organic Products of Fixation of [¹³N]Dinitrogen by Root Nodules of Soybean (Glycine max)

1978 • 68 citations

Enzymes of Nitrogen Metabolism in Legume Nodules: a Comparative Study

1978 • 67 citations

Purification and characterization of aspartate aminotransferases from soybean root nodules and rhizobium japonicum

1972 • 66 citations

Incorporation of 15N into allantoin in nodulated soybean plants supplied with 15N2

1977 • 66 citations

Intracellular site of synthesis and localization of leghemoglobin in root nodules

1976 • 66 citations

Glutamine synthetase and control of nitrogen fixation in Rhizobium

1977 • 65 citations

Studies on possible routes of ammonium assimilation in soybean root nodule bacteroids

1973 • 62 citations

Energy State and Dinitrogen Fixation in Soybean Nodules of Dark-grown Plants

1975 • 62 citations

CARBON DIOXIDE REQUIREMENT FOR GROWTH OF LEGUME NODULE BACTERIA

1962 • 62 citations

Fixation of carbon dioxide by plant roots through phosphoenolpyruvate carboxylase

1959 • 60 citations

Properties of the nitrogenase system in cell-free extracts of bacteroids from soybean root nodules.

1967 • 60 citations

NITROGEN FIXATION IN THE ROOT NODULES OF VICIA FABA L. IN RELATION TO THE ASSIMILATION OF CARBON. II. THE DARK FIXATION OF CARBON DIOXIDE

1975 • 60 citations

An Electron Donor System For Nitrogenase-Dependent Acetylene Reduction by Extracts of Soybean Nodules

1968 • 60 citations

Subcellular localization of enzymes involved in the assimilation of Ammonia by soybean root nodules

1974 • 59 citations

Effects of exogenous nitrogen-compounds on the concentrations of allantoin and various constituents in several organs of soybean plants

1977 • 58 citations

Root-exudation studies on the exchange of C14-labelled organic substances between the roots and shoot of the nodulated legume

1962 • 58 citations

NITROGEN FIXATION BY EXCISED SOY BEAN ROOT NODULES

1954 • 57 citations

Organic Acid Metabolism by Isolated Rhizobium japonicum Bacteroids

1978 • 55 citations

Carbohydrates in soybean nodules: Identification of compounds and possible relationships to nitrogen fixation

1976 • 55 citations

Studies on the utilisation of carbohydrates and krebs cycle intermediates by Rhizobia, using an agar plate method

1964 • 52 citations

Primary products of symbiotic nitrogen fixation

1966 • 51 citations

Enzymes of ammonia assimilation in Rhizobium leguminosarum bacteroids

1975 • 51 citations

<scp>l</scp> -Arabinose Metabolism in Rhizobium japonicum

1974 • 50 citations

Glucose catabolism in two derivatives of a Rhizobium japonicum strain differing in nitrogen-fixing efficiency

1977 • 48 citations

A glutamine‐dependent asparagine synthetase from yellow lupine seedlings

1970 • 45 citations

RESPIRATION SUBSTRATE OF RHIZOBIUM IN THE NODULES

1960 • 43 citations

Properties of Pyruvate Kinase from Soybean Nodule Cytosol

1978 • 42 citations

Control of symbiotic nitrogen fixation in Rhizobia regulation of NH4+ assimilation

1976 • 42 citations

Primary products of symbiotic nitrogen fixation

1966 • 42 citations

Occurrence and some properties of carbonic anhydrases from legume root nodules

1974 • 42 citations

Gel filtration of nitrogenase from soybean root-nodule bacteroids

1970 • 42 citations

The Effect of Source—Sink Manipulations on Nitrogen Fixation in Peas

1978 • 42 citations

The effect of nitrogen addition on N&lt;sub&gt;2&lt;/sub&gt;-fixation and on glutamate dehydrogenase and glutamate synthase activities. in nodules and roots of soybeans inoculated with various strains of &lt;italic&gt;Rhizobium japonicum&lt;/italic&gt;

1976 • 40 citations

Activity of nitrogenase and glutamine synthetase in relation to availability of oxygen in continuous cultures of a strain of cowpea Rhizobium sp. supplied with excess ammonium

1978 • 39 citations

Primary metabolites of Phaseolus vulgaris nodules

1978 • 38 citations

The Cytology of Bacteroids from Root Nodules of Subterranean Clover (Trifolium subterraneum L.)

1955 • 38 citations

The influence of carbon dioxide on symbiotic nitrogen fixation

1960 • 37 citations

Catalase activity and nitrogen fixation in legume root nodules

1972 • 36 citations

NITROGEN FIXATION IN THE ROOT NODULES OF VICIA FABA L. IN RELATION TO THE ASSIMILATION OF CARBON

1975 • 36 citations

Enzymes involved in Glutamate Metabolism in Legume Root Nodules

1966 • 36 citations

Allantoin production and its utilization in relation to nodule formation in soybeans

1977 • 35 citations

Metabolic regulation in C4 photosynthesis: The inorganic carbon substrate for PEP carboxylase

1975 • 34 citations

RESPIRATORY ENZYME SYSTEMS IN SYMBIOTIC NITROGEN FIXATION

1939 • 34 citations

Nitrogen fixation in legume root nodules: biochemical studies with soybean

1969 • 34 citations

Gluconate Catabolism in Rhizobium japonicum

1970 • 33 citations

Nitrogen, Energy and Vitamin Nutrition of Rhizobium japonicum

1968 • 32 citations

Probable site of allantoin formation in nodulating soybean plants

1978 • 30 citations

Kinetics of acetylene and CN- reduction by the N2-fixing system of Rhizobium Lupino

1970 • 30 citations

Nitrogen fixation and poly-β-hydroxybutyric acid content in bacteroids ofRhizobium lupini andRhizobium leguminosarum

1977 • 30 citations

Carbohydrate translocation in raspberry &amp; soybean

1961 • 30 citations

Nitrogen fixation in cultured cowpea rhizobia: Inhibition and regulation of nitrogenase activity

1976 • 29 citations

The Effects of Age, Darkness and Nitrate on Poly‐β‐hydroxybutyrate Levels and Nitrogen‐Fixing Ability of Rhizobium in Lupinus angustifolius

1978 • 29 citations

METABOLISM OF RHIZOBIA IN RELATION TO EFFECTIVENESS

1957 • 28 citations

Regulation of symbiotic nitrogen fixation in root nodules of alfalfa (Medicago sativa) infected with Rhizobium meliloti

1977 • 27 citations

Citric acid cycle enzymes and nitrogenase in nodules of Pisum sativum

1977 • 27 citations

The central reactions of nitrogen fixation

1971 • 26 citations

The role of ammonia, L-glutamate, and cyclic adenosine 3′,5′-monophosphate in the regulation of ammonia assimilation in Rhizobium japonicum☆

1978 • 25 citations

Activation of a Plant Invertase by Inorganic Phosphate

1966 • 25 citations

A possible role of allantion and the influence of nodulation on its production in soybean plants

1977 • 24 citations

The probable site of nitrogen fixation in root nodules of Ornithopus sativus

1966 • 22 citations

Regulation of nitrogenase activity in soybean nodules by ATP and energy charge

1976 • 21 citations

An unusual allantoinase from Dolichos biflorus

1978 • 18 citations

Investigations into the pathway of electron transport to the nitrogenase from nodule bacteroids

1971 • 14 citations

Allantoinase from Mung Bean Seedlings

1961 • 13 citations

The biosynthesis of aspartic acid, glutamic acid, and alanine in Rhizobium japonicum

1971 • 10 citations

Carbon dioxide fixation in the legume root nodule

1978 • 10 citations

Studies on purified bovine spleen adenosine deaminase

1968 • 7 citations

Regulation of uricase activity in developing roots of &lt;italic&gt;Glycine max&lt;/italic&gt;, non-nodulating variety A62–2

1977 • 7 citations

3-hydroxybutyrate dehydrogenase and aspartate aminotransferase in Rhizobium spp. and soybean root nodules

1971 • 5 citations

The induction of glutamate dehydrogenase and aspartate aminotransferase in Rhizobium

1968 • 2 citations