Ecological factors and adaptive processes in N2-fixing bacterial populations of the plant environment

A taxonomic study of the Spirillum lipoferum group, with descriptions of a new genus, Azospirillum gen. nov. and two species, Azospirillum lipoferum (Beijerinck) comb. nov. and Azospirillum brasilense sp. nov.

1978 • 808 citations

Current Perspectives in Nitrogen Fixation

1982 • 587 citations

Root Nodule Bacteria and Leguminous Plants

1933 • 426 citations

Methods for Growing Spirillum lipoferum and for Counting It in Pure Culture and in Association with Plants

1977 • 386 citations

Ecological distribution of Spirillum lipoferum Beijerinck

1976 • 362 citations

A single medium for the isolation of acetylene-reducing (dinitrogen-fixing) bacteria from soils

1981 • 351 citations

Interactions Between Plant Roots and Soil Microorganisms

1965 • 319 citations

Host-plant specificity in the infection of cereals with Azospirillum spp

1980 • 294 citations

Naturally occurring genetic transfer of hydrogen-oxidizing ability between strains of Alcaligenes eutrophus

1981 • 270 citations

Association of Azospirillum with Grass Roots

1980 • 255 citations

Effects of Azospirillum inoculation on root infection and nitrogen incorporation in wheat

1983 • 241 citations

Evaluation of nitrogen fixation by bacteria in association with roots of tropical grasses

1980 • 171 citations

Transfer of virulence in vivo and in vitro in Agrobacterium

1977 • 165 citations

Ti plasmids of Agrobacterium as conjugative plasmids

1977 • 154 citations

Determination of the most frequent N₂-fixing bacteria in a rice rhizosphere

1983 • 152 citations

Root-Associated N 2 Fixation (Acetylene Reduction) by Enterobacteriaceae and Azospirillum Strains in Cold-Climate Spodosols

1981 • 128 citations

The spermosphere model. I. Its use in growing, counting, and isolating N₂-fixing bacteria from the rhizosphere of rice

1982 • 125 citations

The rhizosphere microflora of wheat and barley with special reference to gram-negative bacteria

1983 • 115 citations

The acetylene reduction technique as an assay for nitrogenase activity in the methane oxidizing bacterium Methylococcus capsulatus strain bath

1976 • 112 citations

Nitrogen-Fixing (Acetylene Redution) Activity and Population of Aerobic Heterotrophic Nitrogen-Fixing Bacteria Associated with Wetland Rice

1979 • 108 citations

Nitrogen fixation (acetylene reduction) associated with roots of winter wheat and sorghum in Nebraska

1978 • 108 citations

Denitrification by N₂-fixing Spirillum lipoferum

1977 • 105 citations

Acetylene reduction (nitrogen fixation) associated with corn inoculated with Spirillum

1976 • 105 citations

Co-transfer of determinants for hydrogenase activity and nodulation ability in Rhizobium leguminosarum

1980 • 104 citations

Isolation and identification of nitrogen-fixing Enterobacter cloacae and Klebsiella planticola associated with rice plants

1983 • 101 citations

Isolation and identification of N₂-fixing bacteria associated with sugar cane (Saccharum sp.)

1982 • 96 citations

Fluorescent antibody technique to identify Azospirillum brasilense associated with roots of grasses

1979 • 85 citations

Nitrogen fixation associated with grasses in Oregon

1976 • 84 citations

Alcaligenes latus, a New Species of Hydrogen-Utilizing Bacteria

1978 • 84 citations

ELECTRON MICROSCOPICAL STUDIES OF THE MICROFLORA OF ROOTS OF SAND DUNE GRASSES

1975 • 83 citations

Mercury resistance among soil bacteria: Ecology and transferability of genes encoding resistance

1984 • 83 citations

Distribution, Enumeration, and Identification of Nitrogen-Fixing Bacteria Associated with Decay in Living White Fir Trees

1974 • 82 citations

Type 3 fimbriae of Klebsiella sp.: molecular characterization and role in bacterial adhesion to plant roots

1983 • 81 citations

R-plasmic transfer from Serratia liquefaciens to Escherichia coli in vitro and in vivo in the digestive tract of gnotobiotic mice associated with human fecal flora

1980 • 79 citations

Aerotactic response of Azospirillum brasilense

1982 • 78 citations

Nitrogen fixation and nitrate utilization by marine and freshwater Beggiatoa

1982 • 77 citations

Conversion of tryptophan to indoleacetic acid by Azospirillum brasilense

1979 • 76 citations

Nitrogen Fixation by Members of the Tribe Klebsielleae

1965 • 75 citations

Invalidity of the acetylene reduction assay in alkane-utilizing, nitrogen-fixing bacteria

1976 • 73 citations

Acetylene Reduction (Nitrogen Fixation) by Enterobacteriaceae Isolated from Paper Mill Process Waters

1976 • 73 citations

Enumeration and Localization of N ₂ -Fixing Bacteria Associated with Roots of Spartina alterniflora Loisel

1983 • 69 citations

Selective infection of maize roots by streptomycin-resistant Azospirillum lipoferum and other bacteria

1979 • 66 citations

Chemotaxis of free-living nitrogen-fixing bacteria towards maize mucilage

1986 • 64 citations

Nitrogen Fixation by Sulfate-reducing Bacteria Indicated by Nitrogen/Argon Ratios

1951 • 62 citations

Dinitrogen fixation in forest ecosystems

1983 • 60 citations

Polygalacturonic acid transeliminase production by Azospirillum species

1981 • 58 citations

Characterization and cyst production of azospirilla isolated from selected grasses growing in New Jersey and New York

1981 • 57 citations

Biology of Azospirillum -Sugarcane Association: Enhancement of Nitrogenase Activity

1980 • 56 citations

Biological nitrogen fixation in the terrestrial environment of a high Arctic ecosystem (Truelove Lowland, Devon Island, N.W.T.)

1978 • 55 citations

Dinitrogen-fixing bacteria: computer-assisted identification of soil isolates

1980 • 55 citations

Increased root exudation of14C-compounds by sorghum seedlings inoculated with nitrogen-fixing bacteria

1982 • 53 citations

Xanthobacter flavus, a New Species of Nitrogen-Fixing Hydrogen Bacteria

1979 • 53 citations

Molecular biological taxonomy of some free-living nitrogen-fixing bacteria

1966 • 52 citations

The Rhizosphere

1978 • 51 citations

Immunological techniques to identify Azospirillum associated with wetland rice

1982 • 51 citations

A device to study metabolic gases in the rice rhizosphere

1977 • 51 citations

Response of maize plants to inoculation with azospirilla and (or) straw amendment in Egypt

1983 • 49 citations

Location of nitrogen fixation (nif) genes on indigenous plasmids of Enterobacter agglomerans

1983 • 49 citations

N2-Fixation by chemoautotrophic hydrogen bacteria

1974 • 47 citations

Microbiology of the association

1983 • 45 citations

Nitrogen Fixation in Sugar Cane Litter

1982 • 41 citations

Population of Aerobic Heterotrophic Nitrogen-Fixing Bacteria Associated with Wetland and Dryland Rice

1982 • 41 citations

NITROGEN FIXATION BY PSEUDOMONAS-LIKE SOIL BACTERIA

1955 • 41 citations

Nitrogen Fixation by Bacterial Isolates from Decay in Living White Fir Trees [Abies concolor (Gord. and Glend.) Lindl.]

1972 • 40 citations

NON-SYMBIOTIC NITROGEN FIXATION IN SOME QUEBEC SOILS

1965 • 39 citations

Rhizobium meliloti competitiveness and the alfalfa agglutinin

1984 • 38 citations

Enumeration and Identification of Nitrogen-Fixing Bacteria from Forage Grass Roots

1981 • 37 citations

Asymbiotic nitrogen-fixing bacteria from the surfaces of nodules and roots of legumes

1972 • 37 citations

In vitro experiments simulating the possible fates of aphid honeydew sugars in soil

1978 • 37 citations

Acetylene reduction (N2-fixation) in soil and old field succession in central Oklahoma

1976 • 36 citations

Nitrogen-fixing bacteria associated with plantation and orchard plants

1983 • 35 citations

Comparative studies of nitrogen-fixing bacteria associated with grasses in Israel with Azospirillum brasilense

1980 • 35 citations

Influence of various soil factors on nitrogen fixation by Azospirillum spp

1980 • 34 citations

STUDIES OF AEROBIC NON-SYMBIOTIC NITROGEN-FIXING BACTERIA

1961 • 33 citations

Influence of Acetylene on Growth of Sulfate-Respiring Bacteria

1982 • 32 citations

STUDIES ON THE METHANE BACTERIA

1954 • 31 citations

Nitrogen fixation in deteriorating wood

1973 • 30 citations

Nonsymbiotic nitrogen-fixing micro-organisms in forest and tundra soils

1971 • 30 citations

Enumeration of N2-fixing spirilla

1979 • 29 citations

Nitrogen fixation in the litter layer of eucalypt forests

1979 • 27 citations

Comparative C2H2 reduction and 15N2 fixation in deciduous wood litter

1981 • 27 citations

NITROGEN-FIXING BACTERIA OF THE GENUS BEIJERINCKIA

1974 • 26 citations

Nitrogenase (C₂H₂) Activity in Roots of Non‐Cultivated and Cereal Plants: Influence of Nitrogen Fertilizer on Populations and Activity of Nitrogen‐Fixing Bacteria

1983 • 25 citations

Non-symbiotic nitrogen fixation in some Hawaiian pasture soils

1974 • 24 citations

Acetylene reduction in soil and litter from pine and eucalypt forests in south-eastern Australia

1984 • 24 citations

Nitrogen-Fixing Bacteria from Warty Lenticellate Bark of a Mangrove Tree, Bruguiera gymnorrhiza (L.) Lamk

1984 • 24 citations

Azotobacter andBeijerinckia in the soils and rhizosphere of plants in Egypt

1965 • 24 citations

Nitrogenase activity in the rhizosphere of Stachys sylvatica and some other dicotyledenous plants

1973 • 23 citations

Nitrogen Fixation by Gram-Negative Bacteria

1958 • 23 citations

Effect of hydrogen and oxygen on uptake-hydrogenase activity in nitrogen-fixing and ammonium-grown Azospirillum brasilense

1983 • 23 citations

Second International Symposium on Nitrogen Fixation with Nonlegumes 5–10 September 1982

1983 • 22 citations

Nitrogen fixation by methane-utilizing bacteria

1976 • 21 citations

Bacteriology and nutrition of environmental strains of Klebsiella pneumoniae involved in wood and bark decay

1983 • 20 citations

Purification of the rice embryo lectin and its binding to nitrogen-fixing bacteria from the rhizosphere of rice

1984 • 20 citations

Pseudomonas azotogensis nov. sp. a new free-living nitrogen fixing bacterium

1956 • 18 citations

Dinitrogen Fixation Associated with Sporophores of Fomitopsis Pinicola, Fomes Fomentarius, and Echinodontium Tinctorium

1978 • 17 citations

Studies on non-symbiotic nitrogen fixation in New Zealand tussock-grassland soils

1973 • 17 citations

Mutual Influences of Azospirillum Spp. and Grass Seedlings

1982 • 15 citations

Growth and Survival of Azospirillum Lipoferum in Soil and Rhizosphere as Influenced by Ecological Stress Conditions

1982 • 14 citations

Aphid honeydew sugars and soil nitrogen fixation

1984 • 13 citations

Methods to Demonstrate the Megaplasmids (or Minichromosomes) in Azospirillum

1982 • 13 citations

A survey of angiosperms in Nova Scotia for rhizosphere nitrogenase (acetylene-reduction) activity

1978 • 13 citations

On the Fixation of Atmospheric Nitrogen by Phoma Radicis Callunae, Including A New Method for Investigating Nitrogen-Fixation in Micro-Organisms

1928 • 13 citations

Predominance of hydrogen-utilizing bacteria among N₂-fixing bacteria in wetland rice roots

1982 • 12 citations

Nitrogen Fixation by the Endophyte ofLolium

1933 • 11 citations

Detection and Characterization of Plasmids in Azospirillum

1982 • 10 citations

Anaerobic nitrogen-fixing bacteria in U.S.S.R. soils

1973 • 9 citations

Motility Changes in Azospirillum Lipoferum

1983 • 8 citations

Isolation of a very Efficient N2-Fixing Bacteria from the Rhizosphere of Rice

1982 • 7 citations

Autoradiographic technique for screening chemolithotrophic hydrogen-utilizing bacteria

1983 • 7 citations

In vitro inhibition of nonsymbiotic nitrogen-fixing bacteria by rhizosphere actinomycetes associated with grasses

1982 • 7 citations

Attraction of Azospirillum Lipoferum by Media From Wheat-Azospirillum Association

1983 • 6 citations

Wheat Straw: An Energy Source for Biological Nitrogen Fixation

1984 • 4 citations