The Genetic and Biochemical Basis for Nodulation of Legumes by Rhizobia

A Broad Host Range Mobilization System for In Vivo Genetic Engineering: Transposon Mutagenesis in Gram Negative Bacteria

1983 • 7,336 citations

Escherichia coli and Salmonella typhimurium: Cellular and molecular biology

1988 • 3,957 citations

Symbiotic host-specificity of Rhizobium meliloti is determined by a sulphated and acylated glucosamine oligosaccharide signal

1990 • 1,116 citations

MOLECULAR BIOLOGY OF THE LysR FAMILY OF TRANSCRIPTIONAL REGULATORS

1993 • 1,040 citations

Physical and genetic characterization of symbiotic and auxotrophic mutants of Rhizobium meliloti induced by transposon Tn5 mutagenesis

1982 • 971 citations

A Plant Flavone, Luteolin, Induces Expression of Rhizobium meliloti Nodulation Genes

1986 • 967 citations

The Infection of Clover Root Hairs by Nodule Bacteria Studied by a Simple Glass Slide Technique

1957 • 878 citations

The flavonoid biosynthetic pathway in plants: Function and evolution

1994 • 727 citations

Rhizobium-legume nodulation: Life together in the underground

1989 • 726 citations

Rhizobium–plant signal exchange

1992 • 619 citations

Developmental biology of legume nodulation

1992 • 613 citations

Second symbiotic megaplasmid in Rhizobium meliloti carrying exopolysaccharide and thiamine synthesis genes

1986 • 608 citations

Heat shock proteins: molecular chaperones of protein biogenesis

1993 • 598 citations

Current Perspectives in Nitrogen Fixation

1982 • 587 citations

Identification and Characterization of Large Plasmids in Rhizobium meliloti using Agarose Gel Electrophoresis

1979 • 574 citations

A novel highly unsaturated fatty acid moiety of lipo-oligosaccharide signals determines host specificity of Rhizobium

1991 • 533 citations

Root Nodule Bacteria and Leguminous Plants

1939 • 510 citations

Sulphated lipo-oligosaccharide signals of Rhizobium meliloti elicit root nodule organogenesis in alfalfa

1991 • 497 citations

Transfer of the drug-resistance transposon Tn5 to Rhizobium

1978 • 483 citations

Development of the Legume Root Nodule

1991 • 477 citations

Root Nodule Bacteria and Leguminous Plants

1933 • 426 citations

Depolarization of Alfalfa Root Hair Membrane Potential by Rhizobium meliloti Nod Factors

1992 • 423 citations

Molecular basis of symbiotic host specificity in rhizobium meliloti: nodH and nodPQ genes encode the sulfation of lipo-oligosaccharide signals

1991 • 404 citations

Polyphasic Taxonomy of Rhizobia: Emendation of the Genus Sinorhizobium and Description of Sinorhizobium meliloti comb. nov., Sinorhizobium saheli sp. nov., and Sinorhizobium teranga sp. nov.

1994 • 393 citations

Induction of Rhizobium meliloti nodC expression by plant exudate requires nodD.

1985 • 392 citations

Rhizobium meliloti lipooligosaccharide nodulation factors: different structural requirements for bacterial entry into target root hair cells and induction of plant symbiotic developmental responses.

1994 • 391 citations

Chemotaxonomy of the Leguminosae

1972 • 378 citations

Molecular Signals in Plant-Microbe Communications

1991 • 373 citations

Interspecies homology of nitrogenase genes.

1980 • 372 citations

Two novel families of bacterial membrane proteins concerned with nodulation, cell division and transport

1994 • 360 citations

EXOPOLYSACCHARIDES IN PLANT-BACTERIAL INTERACTIONS

1992 • 357 citations

High frequency transfer of nodulating ability between strains and species of Rhizobium

1978 • 354 citations

Infection of Legumes by Rhizobia

1981 • 352 citations

Location of nodulation and nitrogen fixation genes on a high molecular weight plasmid of R. meliloti

1981 • 339 citations

Induction of Pre-Infection Thread Structures in the Leguminous Host Plant by Mitogenic Lipo-Oligosaccharides of Rhizobium

1992 • 325 citations

Genes controlling early and late functions in symbiosis are located on a megaplasmid in Rhizobium meliloti

1981 • 325 citations

A family of extracytoplasmic proteins that allow transport of large molecules across the outer membranes of gram-negative bacteria

1994 • 320 citations

Fast-Growing Rhizobia Isolated from Root Nodules of Soybean

1982 • 314 citations

Lipo-oligosaccharide nodulation factors: A new class of signaling molecules mediating recognition and morphogenesis

1993 • 305 citations

Sym plasmid of Rhizobium trifolii expressed in different rhizobial species and Agrobacterium tumefaciens

1981 • 280 citations

Rhizobium phaseoli symbiotic mutants with transposon Tn5 insertions

1984 • 277 citations

Common components of the infection thread matrix and the intercellular space identified by immunocytochemical analysis of pea nodules and uninfected roots

1989 • 275 citations

Physical and genetic analysis of a symbiotic region of Rhizobium meliloti: Identification of nodulation genes

1984 • 273 citations

Heat shock proteins: molecular chaperones of protein biogenesis.

1993 • 272 citations

SIGNALING AND HOST RANGE VARIATION IN NODULATION

1992 • 268 citations

The nodD gene of Rhizobium leguminosarum is autoregulatory and in the presence of plant exudate induces the nodA,B,C genes

1985 • 265 citations

Rhizobium meliloti produces a family of sulfated lipooligosaccharides exhibiting different degrees of plant host specificity.

1992 • 260 citations

Analysis of the nucleotide sequence of the Streptomyces glaucescens tcmI genes provides key information about the enzymology of polyketide antibiotic biosynthesis.

1989 • 250 citations

Rhizobium nodulation gene nodD as a determinant of host specificity

1987 • 244 citations

Root Hair Deformation Activity of Nodulation Factors and Their Fate on Vicia sativa

1994 • 244 citations

Rhizobium NodB protein involved in nodulation signal synthesis is a chitooligosaccharide deacetylase.

1993 • 242 citations

Cross-reactive antigens and lectin as determinants of symbiotic specificity in the Rhizobium-clover association

1975 • 242 citations

Conserved motifs in a divergent nod box of Azorhizobium caulinodans ORS571 reveal a common structure in promoters regulated by LysR-type proteins.

1992 • 235 citations

Cloning of Rhizobium meliloti nodulation genes by direct complementation of Nod− mutants

1982 • 231 citations

The Rhizobium leguminosarum nodulation gene nodF encodes a polypeptide similar to acyl-carrier protein and is regulated by nodD plus a factor in pea root exudate

1986 • 222 citations

Broad‐host‐range Rhizobium species strain NGR234 secretes a family of carbamoylated, and fucosylated, nodulation signals that are O‐acetylated or sulphated

1992 • 212 citations

Chemotaxis of Rhizobium meliloti to the plant flavone luteolin requires functional nodulation genes

1988 • 211 citations

Physical Identification of Bacteriocinogenic, Nodulation and Other Plasmids in Strains of Rhizobium leguminosarm

1980 • 210 citations

Conservation of extended promoter regions of nodulation genes in Rhizobium

1986 • 209 citations

Flavonoids Released Naturally from Alfalfa Seeds Enhance Growth Rate of Rhizobium meliloti

1991 • 206 citations

A 2-O-methylfucose moiety is present in the lipo-oligosaccharide nodulation signal of Bradyrhizobium japonicum.

1992 • 205 citations

Rapid screening for symbiotic mutants of Rhizobium and white clover

1980 • 205 citations

The structural basis for infection of root hairs of Trifolium repens by Rhizobium

1981 • 204 citations

Rhizobium ciceri sp. nov., Consisting of Strains That Nodulate Chickpeas (Cicer arietinum L.)

1994 • 200 citations

Rhizobium nod factors reactivate the cell cycle during infection and nodule primordium formation, but the cycle is only completed in primordium formation.

1994 • 198 citations

plasmids and Host-range in Rhizobium leguminosarum and Rhizobium phaseoli

1980 • 198 citations

Anatomical analysis of the development and distribution of Rhizobium infections in soybean roots

1984 • 192 citations

Chemotaxonomy of the Leguminosae

1971 • 192 citations

Host-specific regulation of nodulation genes in Rhizobium is mediated by a plant-signal, interacting with the nodD gene product

1987 • 190 citations

Characteristics of Rhizobium tianshanense sp. nov., a Moderately and Slowly Growing Root Nodule Bacterium Isolated from an Arid Saline Environment in Xinjiang, People's Republic of China

1995 • 189 citations

Evidence for nitrogen fixation (nif) genes on indigenous Rhizobium plasmids

1979 • 188 citations

Organization, structure and symbiotic function of rhizobium meliloti nodulation genes determining host specificity for alfalfa

1986 • 187 citations

The NodC protein of Azorhizobium caulinodans is an N-acetylglucosaminyltransferase.

1994 • 183 citations

Plasmid-determined nodulation and nitrogen-fixation abilities inRhizobium phaseoli

1982 • 182 citations

Specific binding of proteins from Rhizobium meliloti cell-free extracts containing NodD to DNA sequences upstream of inducible nodulation genes.

1988 • 181 citations

CSD2, CSD3, and CSD4, genes required for chitin synthesis in Saccharomyces cerevisiae: the CSD2 gene product is related to chitin synthases and to developmentally regulated proteins in Rhizobium species and Xenopus laevis.

1992 • 181 citations

Nucleotide Sequence ofRhizobium meliloti1021 Nodulation Genes:nodDIs Read Divergently fromnodABC

1985 • 181 citations

Involvement of both cellulose fibrils and a Ca2+-dependent adhesin in the attachment of Rhizobium leguminosarum to pea root hair tips

1987 • 180 citations

Molecular Biology of Symbiotic Nitrogen Fixation

2018 • 180 citations

The Rhizobium nodulation gene nodO encodes a Ca2(+)-binding protein that is exported without N-terminal cleavage and is homologous to haemolysin and related proteins.

1990 • 177 citations

Plasmid-mediated Transfer of Host-range Specificity Between Two Strains of Rhizobium leguminosarum

1980 • 175 citations

Alfalfa nodulation in the absence of Rhizobium

1989 • 174 citations

Resistance to nodulation of cv. Afghanistan peas is overcome by nodX, which mediates an O‐acetylation of the Rhizobium leguminosarum lipo‐oligosaccharide nodulation factor

1993 • 173 citations

Cloned nodulation genes of Rhizobium leguminosarum determine host-range specificity

1983 • 171 citations

Identification of genes and gene products involved in the nodulation of peas by Rhizobium leguminosarum

1985 • 170 citations

Some Observations on Infection ofArachis hypogaeaL. byRhizobium

1978 • 170 citations

One member of a gro-ESL-like chaperonin multigene family in Bradyrhizobium japonicum is co-regulated with symbiotic nitrogen fixation genes.

1993 • 170 citations

TheRhizobiumGenome

1990 • 170 citations

Rhizobium meliloti Nod factors elicit cell‐specific transcription of the ENOD12 gene in transgenic alfalfa

1994 • 170 citations

Trigonelline and Stachydrine Released from Alfalfa Seeds Activate NodD2 Protein in Rhizobium meliloti

1992 • 168 citations

The gene encoding Escherichia coli acyl carrier protein lies within a cluster of fatty acid biosynthetic genes.

1992 • 166 citations

Glucosamine synthetase from Escherichia coli: purification, properties, and glutamine-utilizing site location

1987 • 161 citations

Nod factors of Rhizobium are a key to the legume door

1994 • 161 citations

Regulation of nodulation gene expression by NodD in rhizobia

1992 • 160 citations

Factors controlling the legume-Rhizobium symbiosis.

1980 • 159 citations

Failure of inoculant rhizobia to overcome the dominance of indigenous strains for nodule formation

1994 • 155 citations

Proposed regulatory pathway encoded by the nodV and nodW genes, determinants of host specificity in Bradyrhizobium japonicum.

1990 • 154 citations

Nucleotide sequence ofRhizobium melilotiRCR2011 genes involved in host specificity of nodulation

1986 • 154 citations

Assignment of symbiotic developmental phenotypes to common and specific nodulation (nod) genetic loci of Rhizobium meliloti

1986 • 151 citations

Tn5 mutagenesis of Rhizobium trifolii host-specific nodulation genes result in mutants with altered host-range ability

1985 • 149 citations

The structures and biological activities of the lipo-oligosaccharide nodulation signals produced by type I and II strains of Bradyrhizobium japonicum.

1993 • 148 citations

ATP sulphurylase activity of the nodP and nodQ gene products of Rhizobium meliloti

1990 • 147 citations

Molecular characterization of hasA from an operon required for hyaluronic acid synthesis in group A streptococci.

1994 • 146 citations

Three unusual modifications, a D-arabinosyl, an N-methyl, and a carbamoyl group, are present on the Nod factors of Azorhizobium caulinodans strain ORS571.

1993 • 146 citations

Rhizobium meliloti has three functional copies of the nodD symbiotic regulatory gene.

1987 • 146 citations

Structural determination of bacterial nodulation factors involved in the Rhizobium meliloti-alfalfa symbiosis

1991 • 146 citations

Lipo‐oligosaccharides of Rhizobium induce infection‐related early nodulin gene expression in pea root hairs

1993 • 146 citations

Cross-reactive antigens and lectin as determinants of symbiotic specificity in the Rhizobium-clover association.

1975 • 145 citations

Molecular mechanisms of attachment of Rhizobium bacteria to plant roots

1992 • 144 citations

The evolution of specificity in the legume-rhizobium symbiosis

1989 • 144 citations

A family of activator genes regulates expression of Rhizobium meliloti nodulation genes.

1989 • 143 citations

Specific phases of root hair attachment in the Rhizobium trifolii-clover symbiosis

1984 • 142 citations

Regulation of nod gene expression in Bradyrhizobium japonicum

1988 • 138 citations

The nodI gene product of Rhizobium leguminosarum is closely related to ATP-binding bacterial transport proteins; nucleotide sequence analysis of the nodI and nodJ genes

1986 • 134 citations

Nitrogen-fixing nodules induced by Agrobacterium tumefaciens harboring Rhizobium phaseoli plasmids

1987 • 134 citations

Positive and negative control of nod gene expression in Rhizobium meliloti is required for optimal nodulation

1989 • 134 citations

Different plasmids of Rhizobium leguminosarum bv. phaseoli are required for optimal symbiotic performance

1992 • 133 citations

Identification of nodX, a gene that allows Rhizobium leguminosarum biovar viciae strain TOM to nodulate Afghanistan peas

1988 • 132 citations

Molecular cloning and characterization of a sym plasmid locus that regulates cultivar‐specific nodulation of soybean by Rhizobium fredii USDA257

1993 • 132 citations

Chemotaxis of Rhizobium leguminosarum biovar phaseoli towards Flavonoid Inducers of the Symbiotic Nodulation Genes

1988 • 131 citations

Linkage of genes for nitrogenase and nodulation ability on plasmids in Rhizobium leguminosarum and R. phaseoli

1981 • 130 citations

The Biosynthesis of Rhizobial Lipo-Oligosaccharide Nodulation Single Molecules

1994 • 130 citations

The sulfate activation locus of Escherichia coli K12: cloning, genetic, and enzymatic characterization.

1988 • 129 citations

Structure and growth of infection threads in the legume symbiosis with Rhizobium leguminosarum

1992 • 128 citations

Rhizobia catabolize nod gene-inducing flavonoids via C-ring fission mechanisms

1994 • 127 citations

Ultrastructural analysis of ineffective alfalfa nodules formed by nif::Tn5 mutants of Rhizobium meliloti

1983 • 126 citations

Infection and Root-Nodule Development inStylosanthesSpecies byRhizobium

1982 • 126 citations

[19] Genetic techniques in Rhizobium meliloti

1991 • 125 citations

nodZ, a unique host-specific nodulation gene, is involved in the fucosylation of the lipooligosaccharide nodulation signal of Bradyrhizobium japonicum

1994 • 123 citations

Biological Activity ofRhizobiumsp. NGR234 Nod-factors onMacroptilium atropurpureum

1993 • 122 citations

Rhizobium meliloti host range nodH gene determines production of an alfalfa-specific extracellular signal

1988 • 122 citations

Role of the Rhizobium meliloti nodF and nodE genes in the biosynthesis of lipo-oligosaccharidic nodulation factors.

1993 • 121 citations

The Bradyrhizobium japonicum nolA gene and its involvement in the genotype-specific nodulation of soybeans.

1991 • 121 citations

Interactions of NodD at the nod Box: NodD Binds to Two Distinct Sites on the Same Face of the Helix and Induces a Bend in the DNA

1993 • 117 citations

Flavonoids: Plant Signals to Soil Microbes

1992 • 117 citations

Six nodulation genes of nod box locus 4 in Rhizobium meliloti are involved in nodulation signal production: nodM codes for d-glucosamine synthetase

1991 • 115 citations

ThenodHandnodQHost Range Genes ofRhizobium melilotiBehave as Avirulence Genes inR. leguminosarumbv.viciaeand Determine Changes in the Production of Plant-Specific Extracellular Signals

1989 • 115 citations

Large plasmids of fast-growing rhizobia: homology studies and location of structural nitrogen fixation (nif) genes

1981 • 114 citations

Nodulation factors from Rhizobium tropici are sulfated or nonsulfated chitopentasaccharides containing an N-methyl-N-acylglucosaminyl terminus

1993 • 113 citations

Nod Factors ofBradyrhizobium japonicumandRhizobiumsp. NGR234 Induce Flavonoid Accumulation in Soybean Root Exudate

1994 • 113 citations

DNA sequence ofRhizobium trifoliinodulation genes reveals a reiterated and potentially regulatory sequence precedingnodABCandnodFE

1986 • 113 citations

Symbiotic specialisation in pea plants: The requirement of specific Rhizobium strains for peas from Afghanistan

1978 • 111 citations

nodSU,Two NewnodGenes of the Broad Host RangeRhizobiumStrain NGR234 Encode Host-Specific Nodulation of the Tropical TreeLeucaena leucocephala

1990 • 110 citations

Purification and partial characterization of the Rhizobium leguminosarum biovar viciae Ca2+-dependent adhesin, which mediates the first step in attachment of cells of the family Rhizobiaceae to plant root hair tips

1989 • 110 citations

The Rhizobium meliloti exoZl exoB fragment of megaplasmid 2: ExoB functions as a UDP‐glucose 4‐epimerase and ExoZ shows homology to NodX of Rhizobium leguminosarum biovar viciae strain TOM

1991 • 109 citations

Nod Factors and Nodulation in Plants

1993 • 109 citations

Physical map of the genome of Rhizobium meliloti 1021

1993 • 108 citations

At least two nodD genes are necessary for efficient nodulation of alfalfa by Rhizobium meliloti

1986 • 108 citations

Rhizobium meliloti nodD genes mediate host-specific activation of nodABC

1990 • 108 citations

Phenotypic and Genotypic Characterization of Bradyrhizobia Nodulating the Leguminous Tree Acacia albida

1994 • 108 citations

Characterization of the Rhizobium leguminosarum genes nodLMN involved in efficient host‐specific nodulation

1988 • 107 citations

Identification of the sym plasmid of Rhizobium leguminosarum strain 1001 and its transfer to and expression in other Rhizobia and Agrobacterium tumefaciens

1982 • 107 citations

A locus encoding host range is linked to the common nodulation genes of Bradyrhizobium japonicum

1987 • 107 citations

The nodulation-signaling protein NodO from Rhizobium leguminosarum biovar viciae forms ion channels in membranes.

1994 • 107 citations

Evidence that DNA involved in the expression of nodulation (nod) genes inRhizobiumbinds to the product of the regulatory genenodD

1987 • 107 citations

BIOCHEMICAL AND SYMBIOTIC PROPERTIES OF THE RHIZOBIA

1950 • 107 citations

Three regulatory nodD alleles of diverged flavonoid-specificity are involved in host-dependent nodulation by Rhizobium meliloti

1988 • 106 citations

Production and Excretion of Nod Metabolites by Rhizobium leguminosarum bv. trifolii Are Disrupted by the Same Environmental Factors That Reduce Nodulation in the Field

1993 • 105 citations

Which steps are essential for the formation of functional legume nodules?

1989 • 105 citations

Localization of symbiotic mutations in Rhizobium meliloti

1983 • 104 citations

Occurrence of lipid A variants with 27-hydroxyoctacosanoic acid in lipopolysaccharides from members of the family Rhizobiaceae

1991 • 104 citations

Host Restriction of Nodulation by Bradyrhizobium japonicum Strain USDA 123 in Soybean¹

1986 • 104 citations

The oac gene encoding a lipopolysaccharide O-antigen acetylase maps adjacent to the integrase-encoding gene on the genome of Shigella flexneri bacteriophage Sf6

1991 • 103 citations

Evidence for a general role for high‐affinity non‐catalytic cellulose binding domains in microbial plant ceil wall hydroiases

1994 • 102 citations

Initial stages in the morphogenesis of nitrogen-fixing stem nodules of Sesbania rostrata

1983 • 102 citations

Heat Curing of a Sym Plasmid in a Fast-Growing Rhizobium sp. That Is Able to Nodulate Legumes and the Nonlegume Parasponia sp

1983 • 102 citations

Biosynthesis of lipooligosaccharide nodulation factors: Rhizobium NodA protein is involved in N-acylation of the chitooligosaccharide backbone.

1994 • 101 citations

The primary structure of a fungal chitin deacetylase reveals the function for two bacterial gene products.

1993 • 101 citations

Host Specificity In The Root Hair "Curling Factor" of Rhizobium Spp.

1969 • 100 citations

Symbiotic properties of rhizobia containing a flavonoid-independent hybrid nodD product

1989 • 100 citations

The nodL gene from Rhizobium leguminosarum is homologous to the acetyl transferases encoded by lacA and cysE

1989 • 99 citations

Ineffective and non-nodulating mutant strains of Rhizobium japonicum

1976 • 97 citations

Identification of a Rhizobium meliloti pSym2011 region controlling the host specificity of root hair curling and nodulation

1985 • 97 citations

Chemotaxis and nod Gene Activity of Bradyrhizobium japonicum in Response to Hydroxycinnamic Acids and Isoflavonoids

1991 • 96 citations

Genetic analysis and cellular localization of the Rhizobium host specificity-determining NodE protein.

1989 • 96 citations

Structural identification of metabolites produced by the NodB and NodC proteins of Rhizobium leguminosarum

1994 • 96 citations

Conserved nodulation genes from the non–legume symbiontBradyrhizobiumsp.(Parasponia)

1986 • 95 citations

Activation of the cell cycle machinery and the isoflavonoid biosynthesis pathway by active Rhizobium meliloti Nod signal molecules in Medicago microcallus suspensions.

1994 • 94 citations

Conserved Nodulation Genes in Rhizobium meliloti and Rhizobium trifolii

1985 • 93 citations

Regulation and function of rhizobial nodulation genes

1993 • 92 citations

Common nodABC genes in Nod locus 1 of Azorhizobium caulinodans: Nucleotide sequence and plant-inducible expression

1989 • 91 citations

Biosynthesis of Rhizobium meliloti lipooligosaccharide Nod factors: NodA is required for an N-acyltransferase activity.

1994 • 91 citations

Identification ofnodSandnodU,Two Inducible Genes Inserted Between theBradyrhizobium japonicum nodYABCandnodIJGenes

1990 • 91 citations

Host-specific nodulation is encoded on a 14kb DNA fragment in Rhizobium trifolii

1984 • 91 citations

Regulation of syrM and nodD3 in Rhizobium meliloti.

1993 • 90 citations

Extension of Host Range ofRhizobium leguminosarumbv.trifoliiCaused by Point Mutations innodDThat Result in Alterations in Regulatory Function and Recognition of Inducer Molecules

1989 • 90 citations

Nitrogen fixation (nif) genes and large plasmids of Rhizobium japonicum

1982 • 90 citations

Multiple host-specificity loci of the broad host-range Rhizobium sp. NGR234 selected using the widely compatible legume Vigna unguiculata

1987 • 90 citations

Cell wall degradation during infection thread formation by the root nodule bacterium Rhizobium leguminosarum is a two-step process.

1994 • 89 citations

Identification of NolR, a negative transacting factor controlling the nod regulon in Rhizobium meliloti

1991 • 89 citations

Accumulation of a nod gene inducer, the flavonoid naringenin, in the cytoplasmic membrane of Rhizobium leguminosarum biovar viciae is caused by the pH-dependent hydrophobicity of naringenin

1989 • 88 citations

The DNA sequence of the sulfate activation locus from Escherichia coli K-12.

1992 • 87 citations

Isolation of the Rhizobium leguminosarum NodF nodulation protein: NodF carries a 4'-phosphopantetheine prosthetic group

1991 • 87 citations

Localization of functional regions of the Rhizobium nodD product using hybrid nodD genes

1989 • 87 citations

Nodulation protein NodL of Rhizobium leguminosarum O‐acetylates lipo‐oligosaccharides, chitin fragments and N‐acetylglucosamine in vitro

1994 • 87 citations

Rhizobium meliloti nodulation genes allow Agrobacterium tumefaciens and Escherichia coli to form pseudonodules on alfalfa

1984 • 87 citations

The Structure of Nitrogen Fixing Root Nodules on the Aquatic Mimosoid Legume Neptunia plena

1992 • 87 citations

Co-evolution of the legume-Rhizobium association

1987 • 86 citations

Response of the Peanut Plant to Inoculation with Rhizobia, with Special Reference to Morphological Development of the Nodules

1940 • 86 citations

Rhizobium meliloti genes involved in sulfate activation: the two copies of nodPQ and a new locus, saa.

1992 • 84 citations

Rhizobium japonicum USDA 191 has two nodD genes that differ in primary structure and function

1988 • 84 citations

Rhizobium meliloti NodP and NodQ form a multifunctional sulfate-activating complex requiring GTP for activity

1994 • 84 citations

Occurrence of sulfoquinovosyl diacylglycerol in some members of the family Rhizobiaceae.

1994 • 84 citations

Photosynthetic Symbionts of Aeschynomene spp. Form a Cluster with Bradyrhizobia on the Basis of Fatty Acid and rRNA Analyses

1994 • 83 citations

DNA Sequence of the Common Nodulation Genes ofBradyrhizobium elkanii andTheir Phylogenetic Relationship to Those of Other Nodulating Bacteria

1994 • 82 citations

Two Transmissible Plasmids in Rhizobium leguminosarum strain 300

1982 • 82 citations

Extended Region of Nodulation Genes in Rhizobium meliloti 1021. II. Nucleotide Sequence, Transcription Start Sites and Protein Products

1987 • 82 citations

Interactions of lectins and their saccharide receptors in theRhizobium-legume symbiosis

1983 • 81 citations

Role of Pili (Fimbriae) in Attachment of Bradyrhizobium japonicum to Soybean Roots

1986 • 81 citations

Symbiotic characteristics of Rhizobium meliloti: and appraisal of the systematic treatment of nodulation and nitrogen fixation interactions between hosts and Rhizobia of diverse origins

1966 • 81 citations

DNA footprint analysis of the transcriptional activator proteins NodD1 and NodD3 on inducible nod gene promoters

1989 • 81 citations

Structural and Functional Analysis of Two DifferentnodDGenes inBradyrhizobium japonicumUSDA110

1992 • 81 citations

Production of Cell-Associated Polysaccharides ofRhizobium frediiUSDA205 Is Modulated by Apigenin and Host Root Extract

1994 • 80 citations

A molecular linkage map of nitrogenase and nodulation genes in Rhizobium trifolii

1983 • 80 citations

Structures of Nodulation Factors from the Nitrogen-Fixing Soybean Symbiont Rhizobium fredii USDA257

1994 • 79 citations

Some Observations on Root-hair Infection by Nodule Bacteria

1959 • 79 citations

Mode of infection, nodulation specificity, and indigenous plasmids of 11 fast-growing Rhizobium japonicum strains

1984 • 79 citations

TRANSFER OF CLOVER INFECTIVITY OF RHIZOBIUM TRIFOLII TO RHIZOBIUM PHASEOLI AS MEDIATED BY AN EPISOMIC FACTOR

1967 • 77 citations

TheRhizobium-legume symbiosis Two methods to discriminate between nodules and other root-derived structures

1989 • 77 citations

Bradyrhizobium elkanii lipo-oligosaccharide signals induce complete nodule structures on Glycine soja Siebold et Zucc.

1994 • 77 citations

Co-evolution of the legume-Rhizobium association

1987 • 76 citations

Subcellular localization of the nodD gene product in Rhizobium leguminosarum

1989 • 76 citations

Nucleotide sequence and genetic analysis of the Azotobacter chroococcum nifUSVWZM gene cluster, including a new gene (nifP) which encodes a serine acetyltransferase

1991 • 76 citations

Rhizobium meliloti carries two megaplasmids

1985 • 76 citations

TheRhizobiumStrain NGR234nodD1 Gene Product Responds to Activation by the Simple Phenolic Compounds Vanillin and Isovanillin Present in Wheat Seedling Extracts

1990 • 76 citations

A Lipopolysaccharide Mutant ofBradyrhizobium japonicumthat Uncouples Plant from Bacterial Differentiation

1991 • 75 citations

Canonical ordered cosmid library of the symbiotic plasmid of Rhizobium species NGR234.

1991 • 74 citations

Untersuchungen über die Stickstoffnahrung der Gramineen und Leguminosen

1888 • 74 citations

The Rhizobium meliloti early nodulation genes (nodABC) are nitrogen-regulated: Isolation of a mutant strain with efficient nodulation capacity on alfalfa in the presence of ammonium

1989 • 74 citations

Mutant Strains of Rhizobium japonicum with Increased Ability to Fix Nitrogen for Soybean

1978 • 73 citations

The genetic analysis of Rhizobium in relation to symbiotic nitrogen fixation

1980 • 73 citations

Characteristics of rhizobia isolated from three legumes indigenous to the Canadian high arctic:Astragalus alpinus, Oxytropis maydelliana, andOxytropis arctobia

1987 • 73 citations

Effects of alfalfa nod gene-inducing flavonoids on nodABC transcription in Rhizobium meliloti strains containing different nodD genes

1990 • 73 citations

Nodulation Mutants ofRhizobium frediiUSDA257

1989 • 73 citations

Purification and partial characterization of a glycoprotein from pea (Pisum sativum) with receptor activity for rhicadhesin, an attachment protein of Rhizobiaceae

1994 • 73 citations

nodO, a new nod gene of the Rhizobium leguminosarum biovar viciae sym plasmid pRL1JI, encodes a secreted protein

1989 • 72 citations

Nodules are induced on alfalfa roots by Agrobacterium tumefaciens and Rhizobium trifolii containing small segments of the Rhizobium meliloti nodulation region

1985 • 72 citations

Cloning and characterization of multiple groEL chaperonin-encoding genes in Rhizobium meliloti

1993 • 72 citations

Identification of nodSUIJ genes in Nod locus 1 of Azorhizobium caulinodans: evidence that nodS encodes a methyltransferase involved in Nod factor modification

1993 • 72 citations

Rhizobium nodulation genes involved in root hair curling (Hac) are functionally conserved

1985 • 71 citations

The Rhizobium ? legume symbiosis: observation of root infection by bright-field microscopy after staining with methylene blue

1984 • 70 citations

Entry of Rhizobia into Roots of Mimosa scabrella Bentham Occurs between Epidermal Cells

1988 • 69 citations

Alfalfa Enod12 Genes Are Differentially Regulated during Nodule Development by Nod Factors and Rhizobium Invasion

1994 • 69 citations

Multiple copies of nodD in Rhizobium tropici CIAT899 and BR816

1993 • 68 citations

Genetic map of Rhizobium meliloti megaplasmid pRmeSU47b

1990 • 67 citations

A cultivar-specific interaction between Rhizobium leguminosarum bv. trifolii and subterranean clover is controlled by nodM, other bacterial cultivar specificity genes, and a single recessive host gene

1991 • 67 citations

Nucleotide Sequence and Protein Products of Two New Nodulation Genes ofRhizobium meliloti, nodPandnodQ

1989 • 67 citations

Expression of the nodulation gene nodA in Rhizobium meliloti and localization of the gene product in the cytosol

1986 • 67 citations

The Rhizobium meliloti regulatory nodD3 and syrM genes control the synthesis of a particular class of nodulation factors N-acylated by (omega-1)-hydroxylated fatty acids.

1994 • 66 citations

Either of two nod gene loci can complement the nodulation defect of a nod deletion mutant of Rhizobium leguminosarum bv viciae

1990 • 65 citations

Two gene clusters of Rhizobium meliloti code for early essential nodulation functions and a third influences nodulation efficiency

1986 • 64 citations

Structural studies of alfalfa roots infected with nodulation mutants of Rhizobium meliloti

1982 • 64 citations

Rhizobium leguminosarum has two glucosamine syntheses, GImS and NodM, required for nodulation and development of nitrogen‐fixing nodules

1992 • 63 citations

Morphology of root nodules and nodule-like structures formed by Rhizobium and Agrobacterium strains containing a Rhizobium meliloti megaplasmid.

1983 • 62 citations

Stimulation of indole‐3‐acetic acid production in Rhizobium by flavonoids

1991 • 61 citations

Plasmid-mediated control of nodulation in Rhizobium trifolii

1979 • 61 citations

Molecular characterization of the nodulation gene, nodT, from two biovars of Rhizobium leguminosarum

1990 • 61 citations

Isolation and characterization of transposon Tn5-induced symbiotic mutants of Rhizobium loti

1985 • 61 citations

Effective method for the isolation of non-nodulating mutants ofRhizobium trifolii

1978 • 61 citations

Production of root hair deformation factors by Rhizobium meliloti nodulation genes in Escherichia coli: HsnD (NodH) is involved in the plant host-specific modification of the NodABC factor

1989 • 59 citations

Molecular cloning of Rhizobium trifolii genes involved in symbiotic nitrogen fixation.

1982 • 58 citations

Differential expression of nodS accounts for the varied abilities of Rhizobium fredii USDA257 and Rhizobium sp. strain NGR234 to nodulate Leucaena spp.

1992 • 58 citations

Diverse Signal Sensitivity of NodD Protein Homologs from Narrow and Broad Host Range Rhizobia

1991 • 58 citations

Novel organization of the common nodulation genes in Rhizobium leguminosarum bv. phaseoli strains

1991 • 58 citations

Role of the nodD and syrM genes in the activation of the regulatory gene nodD3, and of the common and host‐specific nod genes of Rhizobium meliloti

1990 • 58 citations

Plasmids, Biological Properties and Efficacy of Nitrogen Fixation in Rhizobium japonicum Strains Indigenous to Alkaline Soils

1979 • 57 citations

The Rhizobium meliloti host range nodQ gene encodes a protein which shares homology with translation elongation and initiation factors.

1989 • 57 citations

Involvement of the syrM and nodD3 genes of Rhizobium meliloti in nod gene activation and in optimal nodulation of the plant host

1991 • 56 citations

The acetyl substituent of succinoglycan is not necessary for alfalfa nodule invasion by Rhizobium meliloti Rm1021

1993 • 55 citations

Transmembrane orientation and receptor-like structure of the Rhizobium meliloti common nodulation protein NodC

1988 • 55 citations

Secretion of the Rhizobium leguminosarum nodulation protein NodO by haemolysin‐type systems

1992 • 55 citations

Identification of anodD-Dependent Locus in theRhizobiumStrain NGR234 Activate by Phenolic Factors Secreted by Soybeans and Other Legumes

1988 • 55 citations

Interference between Rhizobium meliloti and Rhizobium trifolii nodulation genes: genetic basis of R. meliloti dominance

1988 • 54 citations

Sequence and Analysis of thenodABCRegion ofRhizobium frediiUSDA257, A Nitrogen-Fixing Symbiont of Soybean and Other Legumes

1991 • 52 citations

Extended Region of Nodulation Genes in Rhizobium meliloti 1021. I. Phenotypes of Tn5 Insertion Mutants

1987 • 52 citations

Bradyrhizobium japonicum mutants defective in root-nodule bacteroid development and nitrogen fixation

1986 • 52 citations

Studies of the Bradyrhizobium japonicum nodD1 promoter: a repeated structure for the nod box

1991 • 51 citations

nolC, a Rhizobium fredii gene involved in cultivar‐specific nodulation of soybean, shares homology with a heat‐shock gene

1991 • 50 citations

The NodI and NodJ proteins from Rhizobium and Bradyrhizobium strains are similar to capsular polysaccharide secretion proteins from Gram‐negative bacteria

1993 • 50 citations

Progress in the Chemistry of Organic Natural Products 115

2021 • 50 citations

Research NotesHomology ofRhizobium melilotiNodC to Polysaccharide Polymerizing Enzymes

1992 • 50 citations

Expression of the nodulation gene nod C of Rhizobium meliloti in Escherichia coli : role of the nod C gene product in nodulation

1985 • 49 citations

ThenodD1Gene fromRhizobiumStrain NGR234 Is a Key Determinant in the Extension of Host Range to the NonlegumeParasponia

1988 • 49 citations

Mutants of Rhizobium japonicum defective in nodulation

1982 • 49 citations

Genetic and functional analysis of the nodulation region of the Rhizobium leguminosarum Sym plasmid pRL1JI

1985 • 48 citations

Flavonoid Inducers of Nodulation Genes StimulateRhizobium frediiUSDA257 to Export Proteins into the Environment

1993 • 48 citations

Molecular cloning of higher-plant 3-oxoacyl-(acyl carrier protein) reductase. Sequence identities with the nodG-gene product of the nitrogen-fixing soil bacterium Rhizobium meliloti

1992 • 47 citations

Transduction of plant signal molecules by the Rhizobium NodD proteins

1991 • 47 citations

DNA sequence and translational product of a new nodulation-regulatory locus: syrM has sequence similarity to NodD proteins

1990 • 47 citations

NodW Is Essential for Full Expression of the Common Nodulation Genes inBradyrhizobium japonicum

1994 • 46 citations

Rhizobium nodM and nodN genes are common nod genes: nodM encodes functions for efficiency of nod signal production and bacteroid maturation

1992 • 45 citations

Isoflavonoid Phytoalexins

1976 • 44 citations

A Study of Phage-Resistant Mutants of Rhizobium trifolii

1950 • 44 citations

Promiscuous nodulation of Phaseolus vulgaris, Macroptilium atropurpureum, and Leucaena leucocephala by indigenous Rhizobium meliloti

1990 • 43 citations

Transposon mutagenesis of Rhizobium japonicum

1984 • 43 citations

Rhizobium japonicum mutants defective in symbiotic nitrogen fixation

1982 • 43 citations

Identification of a rhizosphere protein encoded by the symbiotic plasmid of Rhizobium leguminosarum

1984 • 43 citations

Research NotesTheRhizobium, Bradyrhizobium,andAzorhizobiumNodC Proteins Are Homologous to Yeast Chitin Synthases

1992 • 42 citations

Identification of North American soybean lines that form nitrogen-fixing nodules with Rhizobium fredii USDA257

1992 • 42 citations

Leguminous plants and their associated organisms

1938 • 42 citations

Additional nodulation genes on the Sym plasmid of Rhizobium leguminosarum biovar viciae

1989 • 42 citations

Regulatory functions of the three nodD genes of Rhizobium leguminosarum biovar phaseoli

1990 • 42 citations

Transposon-induced symbiotic mutants of Bradyrhizobium japonicum: Isolation of two gene regions essential for nodulation

1987 • 41 citations

Phospholipids of Rhizobium contain nodE-determined highly unsaturated fatty acid moieties

1994 • 41 citations

Rhizobium infection threads in root hairs of Glycine max (L.) Merr., Glycine soja Sieb. & Zucc, and Vigna unguiculata (L.) Walp.

1983 • 41 citations

Analysis of three nodD genes in Rhizobium leguminosarum biovar phaseoli; nodD 1 is preceded by nolE, a gene whose product is secreted from the cytoplasm

1990 • 40 citations

Narrow- and Broad-Host-Range Symbiotic Plasmids of Rhizobium spp. Strains That Nodulate Phaseolus vulgaris

1988 • 40 citations

Identification of two classes of Rhizobium phaseoli genes required for melanin synthesis, one of which is required for nitrogen fixation and activates the transcription of the other

1987 • 40 citations

nodT, a positively-acting cultivar specificity determinant controlling nodulation of Trifolium subterraneum by Rhizobium leguminosarum biovar trifolii

1991 • 40 citations

Identification and characterization of a functional nodD gene in Azorhizobium caulinodans ORS571

1990 • 40 citations

Biology and genetics of the broad host range Rhizobium sp. NGR234

1991 • 40 citations

The Rhizobium leguminosarum biovar viciae nodO gene can enable a nodE mutant of Rhizobium leguminosarum biovar trifolii to nodulate vetch

1994 • 40 citations

Identification and cloning of nodulation genes from the stem-nodulating bacterium ORS571

1987 • 40 citations

3-Oxoacyl-(acyl-carrier protein) reductase from avocado (Persea americana) fruit mesocarp

1990 • 40 citations

Isolation and characterization of the DNA region encoding nodulation functions in Bradyrhizobium japonicum

1985 • 40 citations

In Bradyrhizobium japonicum the common nodulation genes, nodABC, are linked to nifA and fixA

1986 • 39 citations

Carbohydrate binding activities of Bradyrhizobium japonicum. II. Isolation and characterization of a galactose-specific lectin.

1990 • 38 citations

nolMNO genes of Bradyrhizobium japonicum are co-transcribed with nodYABCSUIJ, and nolO is involved in the synthesis of the lipo-oligosaccharide nodulation signals.

1993 • 38 citations

Interaction of Rhizobium fredii USDA257 and nodulation mutants derived from it with the agronomically improved soybean cultivar McCall

1990 • 38 citations

Transcription of rhiA, a gene on a Rhizobium leguminosarum bv. viciae Sym plasmid, requires rhiR and is repressed by flavanoids that induce nod genes

1989 • 38 citations

Mutational analysis of the Bradyrhizobium japonicum common nod genes and further nod box-linked genomic DNA regions

1989 • 37 citations

Quantitation of Adsorption of Rhizobia in Low Numbers to Small Legume Roots

1986 • 37 citations

Transfer of an Indigenous Plasmid of Rhizobium loti to other Rhizobia and Agrobacterium tumefaciens

1983 • 37 citations

Inheritance of soybean nodulation response with a fast-growing strain of Rhizobium

1984 • 37 citations

Identification and cloning of nodulation genes and host specificity determinants of the broad host‐range Rhizobium leguminosarum biovar phaseoli strain CIAT899

1990 • 37 citations

Nodulation and Nitrogen Fixation Efficacy of Rhizobium fredii with Phaseolus vulgaris Genotypes

1988 • 37 citations

Expression of Large plasmids in the endosymbiotic form of Rhizobium leguminosarum

1980 • 37 citations

Interspecies homology of nodulation genes in Rhizobium

1987 • 36 citations

Cloning of the nodulation (nod) genes of Rhizobium phaseoli and their homology to R. leguminosarum nod DNA

1985 • 36 citations

Expression of a Rhizobium phaseoli Sym plasmid in R. trifolii and Agrobacterium tumefaciens: Incompatibility with a R. trifolii Sym plasmid

1985 • 36 citations

An RP4-prime containing a 285 kb fragment of rhizobium meliloti pSym megaplasmid: Structural characterization and utilization for genetic studies of symbiotic functions controlled by pSym

1984 • 36 citations

Rhizobium trifolii Mutant Interactions During the Establishment of Nodulation in White Clover

1980 • 36 citations

ROOT NODULE BACTERIA OF SOME TROPICAL LEGUMINOUS PLANTS

1936 • 35 citations

Nodulation of white clover (Trifolium repens) in the absence ofRhizobium

1994 • 35 citations

Isolation of Rhizobium meliloti nod Gene Inducers from Alfalfa Rhizosphere Soil

1993 • 34 citations

The molecular basis of the host specificity of the Rhizobium bacteria

1994 • 34 citations

Conservation of nodulation genes between Rhizobium meliloti and a slow-growing Rhizobium strain that nodulates a nonlegume host

1985 • 32 citations

Specific adsorption of bacteria to clover root hairs, related to the presence of the plasmid pWZ2 in cells of Rhizobium trifolii.

1980 • 32 citations

Genetic and physical analysis of thenodD3region ofRhizobium meliloti

1991 • 32 citations

A STUDY OF RHIZOBIUM SPECIES IN RELATION TO NODULE FORMATION ON THE ROOTS OF FLORIDA LEGUMES, I

1934 • 32 citations

A search for peas (Pisum sativum L.) showing strain specificity for symbiotic Rhizobium leguminosarum

1982 • 31 citations

Thenodgene inducer genistein alters the composition and molecular mass distribution of extracellular polysaccharides produced byRhizobium frediiUSDA193

1992 • 31 citations

Factors Determining Host Recognition in the Clover-Rhizobium Symbiosis

1991 • 31 citations

Rhizobium leguminosarum genes required for expression and transfer of host specific nodulation

1989 • 30 citations

Transposon Mutagenesis in Rhizobia Which Can Nodulate Both Legumes and the Nonlegume Parasponia

1982 • 30 citations

Cloning and Mapping of a Novel Nodulation Region from Bradyrhizobium japonicum by Genetic Complementation of a Deletion Mutant

1988 • 30 citations

Expression ofRhizobium galegaeCommonnodClones in Various Backgrounds

1991 • 30 citations

The role of Rhizobium conserved and host specific nodulation genes in the infection of the non-legume Parasponia andersonii

1987 • 30 citations

Mobilization of a Sym plasmid from a fast-growing cowpea Rhizobium strain

1984 • 29 citations

A novel response-regulator is able to suppress the nodulation defect of a Bradyrhizobium japonicum nodW mutant

1993 • 29 citations

Inactivation ofnolCConditions Developmental Abnormalities in Nodulation of Peking Soybean byRhizobium frediiUSDA257

1992 • 29 citations

Identification and Characterization of thenolYZGenes ofBradyrhizobium japonicum

1994 • 29 citations

Transposon Mutants of Bradyrhizobium japonicum Altered in Attachment to Host Roots

1987 • 28 citations

HOST PLANT SPECIFICITY AMONG THE MEDICAGO IN ASSOCIATION WITH ROOT-NODULE BACTERIA

1939 • 28 citations

Nucleotide sequence of theRhizobium meliloti nodL gene located in locus n5 of thenod regulon

1992 • 28 citations

Detection and subcellular localization of two Sym plasmid-dependent proteins of Rhizobium leguminosarum biovar viciae

1988 • 27 citations

Identification and cloning of nodulation genes from the wide host range Rhizobium strain MPIK3030

1985 • 27 citations

Localization and symbiotic function of a region on the Rhizobium leguminosarum Sym plasmid pRL1JI responsible for a secreted, flavonoid-inducible 50-kilodalton protein

1989 • 27 citations

Nol A RepressesnodGene Expression inBradyrhizobium japonic urn

1994 • 27 citations

Possible Involvement of a Megaplasmid in Nodulation of Soybeans by Fast-Growing Rhizobia from China

1983 • 26 citations

Flavone-enhanced accumulation and symbiosis-related biological activity of a diglycosyl diacylglycerol membrane glycolipid from Rhizobium leguminosarum biovar trifolii

1994 • 26 citations

Expression of symbiotic genes of Rhizobium japonicum USDA 191 in other rhizobia

1985 • 26 citations

Host-Symbiont Specificity Expressed during Early Adsorption of Rhizobium meliloti to the Root Surface of Alfalfa

1986 • 26 citations

Macroptilium atropurpureum (siratro) host specificity genes are linked to a nodD-like gene in the broad host range Rhizobium strain NGR234

1986 • 26 citations

Symbiotic mutants of USDA191, a fast-growing Rhizobium that nodulates soybeans

1985 • 24 citations

Note on the Ability of Certain Strains of Rhizobi from Peas and Clover to Infect Each Other's Host Plants

1944 • 24 citations

Interaction ofRhizobium fredii USDA257 and nodulation mutants derived from it with the agronomically improved soybean cultivar McCall

1990 • 24 citations

Subcellular localization of the Rhizobium leguminosarum nodI gene product

1990 • 24 citations

Structural and Biogenetic Relationships of Isoflavonoids

1970 • 24 citations

Physiological Studies on Nodule Formation. The Characteristics and Inheritance of Abnormal Nodulation of Trifolium pratense by Rhizobium leguminosarum

1978 • 23 citations

Analysis of R-primes demonstrates that genes for broad host range nodulation of Rhizobium strain NGR234 are dispersed on the Sym plasmid

1987 • 22 citations

Phospholipid and fatty acid compositions ofRhizobium leguminosarum biovartrifolii ANU843 in relation to flavone‐activated pSymnod gene expression

1993 • 22 citations

New Field Isolates of Rhizobium leguminosarum Biovar Viciae That Nodulate the Primitive Pea Cultivar Afghanistan in Addition to Modern Cultivars

1990 • 22 citations

Induction of theRhizobium frediinodBox-Independent Nodulation Gene no/JRequires a Functional nodDl Gene

1994 • 22 citations

Analysis of Rhizobium meliloti nodulation mutant WL131: novel insertion sequence ISRm3 in nodG and altered nodH protein product

1991 • 22 citations

Identification of Bradyrhizobium nod genes involved in host-specific nodulation

1989 • 22 citations

On the Tubercular Swellings on the Roots of Vicia Faba...

2012 • 21 citations

The NodD proteins of Rhizobium sp. strain BR816 differ in their interactions with coinducers and in their activities for nodulation of different host plants

1994 • 21 citations

Mutation to auxotrophy and prototrophy as related to symbiotic effectiveness in Rhizobium leguminosarum and R. trifolii

1969 • 21 citations

Molecular linkage of the nifl fix and nod gene regions in Rhixobium leguminosarum biovear trifolii

1989 • 20 citations

Distribution of O-acetyl groups in the exopolysaccharide synthesized by Rhizobium leguminosarum strains is not determined by the Sym plasmid

1991 • 20 citations

Nitrogen Fixation: Volume 2: Rhizobium

1983 • 20 citations

Immunogold localization of the NodC and NodA proteins of Rhizobium meliloti

1989 • 20 citations

Loss of effectiveness and infectivity in mutants of Rhizobium resistant to metabolic inhibitors

1968 • 19 citations

The presence of repeated DNA sequences and a partial restriction map of the pSym of Rhizobium fredii USDA193

1986 • 19 citations

Functional Analysis ofnodDGenes ofRhizobium tropiciClAT899

1994 • 19 citations

Host Specific Nodulation of Plants of the Pea Cross-inoculation Group is Influenced by Genes in Fast Growing Rhizobium downstream nodC

1988 • 19 citations

Molecular cloning and expression of Rhizobium fredii USDA 193 nodulation genes: extension of host range for nodulation

1986 • 19 citations

Lipid and protein composition of outer and inner membranes in wild-type strains and nod mutants of Rhizobium meliloti

1992 • 18 citations

Rhizobium Infection and Nodule Development in Soybean Are Affected by Exposure of the Cotyledons to Light

1984 • 18 citations

The inhibition of infection thread development in the cultivar-specific interaction ofRhizobium and subterranean clover is not caused by a hypersensitive response

1995 • 18 citations

Abnormal Bacteroid Development in Nodules Induced by a Glucosamine Synthase Mutant ofRhizobium ieguminosarum

1994 • 18 citations

A Rhizobium tropici DNA region carrying the amino‐terminal half of a nodD gene and a nod‐box‐like sequence confers host‐range extension

1993 • 17 citations

CROSS INOCULATION WITH COWPEA AND SOYBEAN NODULE BACTERIA

1927 • 17 citations

Cross-talk between the two-component regulatory systems NodVW and NwsAB ofBradyrhizobium japonicum

1994 • 17 citations

Research NotesIdentification of the NodC Protein in the Inner but Not the Outer Membrane ofRhizobium leguminosarum

1993 • 17 citations

Nodule‐Like Structres Induced on Peanut by Chlorosis Producing Strains of Rhizobium Classified as R. Japonicum¹

1983 • 17 citations

XVIII. On the tubercular swellings on the roots of vicia faba

1887 • 16 citations

NODULE-PRODUCTION KINSHIP BETWEEN THE SOY BEAN AND THE COWPEA

1923 • 16 citations

Symbiotic gene probes hybridize to cryptic plasmids of indigenous Rhizobium meliloti

1988 • 15 citations

Inter and Intraspecific Transfer of a Rhizobium fredii Symbiotic Plasmid: Expression and Incompatibility of Symbiotic Plasmids

1989 • 15 citations

Identification of a Rhizobium leguminosarum gene homologous to nodT but located outside the symbiotic plasmid

1994 • 15 citations

Use of a promoter-specific probe to identify two loci from the Rhizobium meliloti nodulation regulon

1989 • 15 citations

Danish Rhizobium leguminosarum strains nodulating ‘Afghanistan’ pea (Pisum sativum)

1986 • 14 citations

Luteolin absorption in Rhizobium meliloti wild-type and mutant strains

1993 • 14 citations

Molecular cloning of a nodulation gene from fast- and slow-growing strains of Lotus rhizobia

1985 • 14 citations

Some properties of arctic rhizobia

1986 • 13 citations

Characterization of Rhizobium phaseoli Sym plasmid regions involved in nodule morphogenesis and host‐range specificity

1989 • 13 citations

Characterization of the Anomalous Infection and Nodulation of Subterranean Clover Roots by Rhizobium leguminosarum 1020

1985 • 13 citations

Characterization of Aberrant Infection Events Induced on Trifolium subterraneum by Rhizobium trifolii Region II Mutants

1988 • 12 citations

A Division of the Alfalfa Cross‐Inoculation Group Correlating Efficiency in Nitrogen Fixation with Source of Rhizobium Meliloti¹

1940 • 12 citations

Isolation and characterization of nodulation genes from Bradyrhizobium sp. ( Vigna ) strain IRc 78

1985 • 12 citations

Cultivar‐specificity genes of the nitrogen‐fixing soybean symbiont, Rhizobium fredii USDA257, also regulate nodulation of Erythrina SPP.

1994 • 11 citations

STUDIES ON INDUCED VARIATION IN THE RHIZOBIA. III. HOST RANGE MODIFICATION OF RHIZOBIUM TRIFOLII BY SPONTANEOUS AND RADIATION‐INDUCED MUTATION

1962 • 11 citations

STUDIES OF THE ROOT NODULE ORGANISMS OF CERTAIN WILD LEGUMES

1936 • 11 citations

Biosynthesis of the Nod Factor Chito-oligosaccharide Backbone inRhizobium frediiis Controlled by the Concentration of UDP-A/-acetyl-D-glucosamine

1995 • 11 citations

Nucleotide sequence of the Rhizobium etli nodS gene

1994 • 11 citations

Identification of a Conserved, Reiterated DNA Region That Influences the Efficiency of Nodulation in Strain RS1051 ofRhizobium leguminosarumbv.trifolii

1989 • 10 citations

Isolation of aBradyrhizobium japonicumserogroup 123 mutant which has an extended host range for nodulation-restricting soybean genotypes

1993 • 9 citations

Effect of acriflavine and sodium dodecyl sulphate on infectiveness of Rhizobium trifolii.

1973 • 9 citations

Two inverted repeats in the nodD promoter region are involved in nodD regulation in Rhizobium leguminosarum

1994 • 9 citations

Optimization of rhizobialnod gene-inducing activity assay in pea root exudate

1994 • 9 citations

Sequence of theRhizobium leguminosarumbiovarphaseoli syrMgene

1993 • 8 citations

Role of rhizobial lipo-oligosacharides in root nodule formation on leguminous plants

1994 • 7 citations

Rhizobium phaseoli: Nitrogen Fixation Genes and DNA Reiteration

1985 • 7 citations

Cultivar-Specificity Genes of the Nitrogen-Fixing Soybean Symbiont, Rhizobium fredii USDA257, also Regulate Nodulation of Erythrina spp

1994 • 7 citations

Characterization of Tn5-induced symbiotically defective mutants of cowpea rhizobia

1987 • 6 citations

Characterization of Sym plasmids of Rhizobium leguminosarum strains able to nodulate Pisum sativum cv Afghanistan

1988 • 4 citations

Genetic Linkage of the Rj2 Gene in Soybean

1991 • 3 citations

Studies on Induced Variation in the Rhizobia. III. Host Range Modification of Rhizobium trifolii by Spontaneous and Radiation-Induced Mutation

1962 • 2 citations

The Lectin Recognition Hypothesis in Rhizobium-Legume Interactions.

1993 • 2 citations

Deleted Work

1955 • 0 citations