Rhizobium-legume nodulation: Life together in the underground

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

1986 • 967 citations

The Biology of Nitrogen Fixation

1976 • 875 citations

A general method for site-directed mutagenesis in prokaryotes

1981 • 697 citations

Leghemoglobin and Rhizobium Respiration

1984 • 633 citations

Naturally Occurring Auxin Transport Regulators

1988 • 619 citations

Exopolysaccharide-deficient mutants of Rhizobium meliloti that form ineffective nodules.

1985 • 589 citations

A large family of bacterial activator proteins.

1988 • 559 citations

Flavones induce expression of nodulation genes in Rhizobium

1986 • 493 citations

Two-component regulatory systems responsive to environmental stimuli share strongly conserved domains with the nitrogen assimilation regulatory genes ntrB and ntrC.

1986 • 464 citations

Nitrogen fixation research progress

1985 • 461 citations

Nitrogen fixation hundred years after

1989 • 419 citations

Cascade regulation of nif gene expression in Rhizobium meliloti

1988 • 415 citations

Products of Biological Nitrogen Fixation in Higher Plants: Synthesis, Transport, and Metabolism

1986 • 403 citations

Induction of Bradyrhizobium japonicum common nod genes by isoflavones isolated from Glycine max

1987 • 392 citations

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

1985 • 392 citations

Flavonoid activation of nodulation genes in Rhizobium reversed by other compounds present in plants

1986 • 365 citations

Infection of Legumes by Rhizobia

1981 • 352 citations

REGULATION OF NITROGEN FIXATION GENES

1986 • 345 citations

Symbiotic mutants of rhizobium meliloti that uncouple plant from bacterial differentiation

1985 • 337 citations

The fundamentals of nitrogen fixation

1978 • 328 citations

Molecular genetics of plant-microbe interactions

1987 • 308 citations

Nitrogen fixation hundred years after

1988 • 308 citations

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

1984 • 273 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

Osmotic Adaptation by Gram-Negative Bacteria: Possible Role for Periplasmic Oligosaccharides

1986 • 255 citations

Clovers secrete specific phenolic compounds which either stimulate or repress nod gene expression in Rhizobium trifolii

1987 • 248 citations

Rhizobium nodulation gene nodD as a determinant of host specificity

1987 • 244 citations

C ₄ -dicarboxylate transport mutants of Rhizobium trifolii form ineffective nodules on Trifolium repens

1981 • 243 citations

Rhizobium meliloti ntrA (rpoN) gene is required for diverse metabolic functions

1987 • 241 citations

Rhizobium meliloti mutants that fail to succinylate their Calcofluor-binding exopolysaccharide are defective in nodule invasion

1987 • 228 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

Genetic Analysis of Legume Nodule Initiation

1988 • 218 citations

Rhizobium meliloti genes required for nodule development are related to chromosomal virulence genes in Agrobacterium tumefaciens

1986 • 215 citations

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

1988 • 211 citations

Identification of “nodule-specific” host proteins (nodulins) involved in the development of Rhizobium-Legume symbiosis

1980 • 209 citations

Conservation of extended promoter regions of nodulation genes in Rhizobium

1986 • 209 citations

Symbiotic properties of C4-dicarboxylic acid transport mutants of Rhizobium leguminosarum

1983 • 208 citations

Genetic Transfer of Nitrogen Fixation from Klebsiella pneumoniae to Escherichia coli

1972 • 204 citations

Alfalfa Root Exudates and Compounds which Promote or Inhibit Induction of Rhizobium meliloti Nodulation Genes

1988 • 204 citations

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

1981 • 204 citations

Glutamine synthetase genes of pea encode distinct polypeptides which are differentially expressed in leaves, roots and nodules.

1987 • 202 citations

Signal exchange in plant-microbe interactions

1986 • 200 citations

The fundamentals of nitrogen fixation

1983 • 197 citations

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

1987 • 190 citations

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

1986 • 187 citations

Characterization of cDNA for nodulin-75 of soybean: A gene product involved in early stages of root nodule development

1987 • 185 citations

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

1988 • 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

Physical and genetic map of a Rhizobium meliloti nodulation gene region and nucleotide sequence of nodC

1985 • 178 citations

Identification and characterization of the Rhizobium meliloti ntrC gene: R. meliloti has separate regulatory pathways for activation of nitrogen fixation genes in free-living and symbiotic cells

1987 • 170 citations

Mutations in Rhizobium phaseoli that lead to arrested development of infection threads

1986 • 170 citations

Microscopic studies of cell divisions induced in alfalfa roots by Rhizobium meliloti

1987 • 170 citations

DNA sequence of theRhizobium leguminosarumnodulation genesnodABandCrequired for root hair curling

1984 • 165 citations

The ndvA gene product of Rhizobium meliloti is required for beta-(1----2)glucan production and has homology to the ATP-binding export protein HlyB

1988 • 165 citations

The nifA gene of Rhizobium meliloti is oxygen regulated

1987 • 163 citations

Essential and non-essential domains in theBradyrhizobium japonicumNifA protein: identification of indispensable cysteine residues potentially involved in redox reactivity and/or metal binding

1988 • 163 citations

Induction of the nodA promoter of Rhizobium leguminosarum Sym plasmid pRL1JI by plant flavanones and flavones

1987 • 163 citations

Genetic analysis of a cluster of genes required for synthesis of the calcofluor-binding exopolysaccharide of Rhizobium meliloti

1988 • 163 citations

The primary structures of two leghemoglobin genes from soybean

1982 • 162 citations

Genetic and structural analysis of the Rhizobium meliloti fixA, fixB, fixC, and fixX genes

1987 • 157 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

Nodulin-35: a subunit of specific uricase (uricase II) induced and localized in the uninfected cells of soybean nodules

1983 • 149 citations

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

1985 • 149 citations

Nucleotide sequence ofRhizobium melilotinodulation genes

1984 • 148 citations

Characterization of the lipopolysaccharide from a Rhizobium phaseoli mutant that is defective in infection thread development

1987 • 147 citations

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

1987 • 146 citations

Interaction of a nodule specific, trans -acting factor with distinct DNA elements in the soybean leghaemoglobin Ibc ₃ 5′ upstream region

1988 • 146 citations

Rhizobium leguminosarum CFN42 genetic regions encoding lipopolysaccharide structures essential for complete nodule development on bean plants

1989 • 144 citations

Plant factors induce expression of nodulation and host-range genes in Rhizobium trifolii

1985 • 144 citations

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

1989 • 143 citations

Nitrogenase reductase: A functional multigene family in Rhizobium phaseoli

1985 • 143 citations

Proline metabolism in N2-fixing root nodules: energy transfer and regulation of purine synthesis.

1988 • 138 citations

A mutation that blocks exopolysaccharide synthesis prevents nodulation of peas by Rhizobium leguminosarum but not of beans by R. phaseoli and is corrected by cloned DNA from Rhizobium or the phytopathogen Xanthomonas

1986 • 137 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

Ultrastructure of infection-thread development during the infection of soybean by Rhizobium japonicum

1985 • 134 citations

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

1988 • 132 citations

Initial proliferation of cortical cells in the formation of root nodules in Pisum sativum L.

1973 • 127 citations

Mutants of Rhizobium meliloti defective in succinate metabolism

1988 • 125 citations

Nodulin-100 of soybean is the subunit of sucrose synthase regulated by the availability of free heme in nodules.

1987 • 125 citations

Role of plant root exudate and Sym plasmid-localized nodulation genes in the synthesis by Rhizobium leguminosarum of Tsr factor, which causes thick and short roots on common vetch

1986 • 124 citations

Expression of nodule-specific genes in alfalfa root nodules blocked at an early stage of development.

1988 • 124 citations

Isolation of monoclonal antibodies reacting with peribacteriod membranes and other components of pea root nodules containing Rhizobium leguminosarum

1988 • 122 citations

Signal exchange in plant-microbe interactions.

1986 • 121 citations

Genes for the catabolism and synthesis of an opine-like compound in Rhizobium meliloti are closely linked and on the Sym plasmid

1987 • 116 citations

Soybean leghemoglobin gene family: normal, pseudo, and truncated genes.

1982 • 116 citations

Two classes of Rhizobium meliloti infection mutants differ in exopolysaccharide production and in coinoculation properties with nodulation mutants

1988 • 115 citations

Nodulins and nodulin genes of Glycine max

1986 • 115 citations

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

1986 • 113 citations

Genes Involved in Microbe-Plant Interactions

1984 • 113 citations

Expression of plant genes during the development of pea root nodules

1985 • 112 citations

Isolation and characterization of the membrane envelope enclosing the bacteroids in soybean root nodules.

1978 • 110 citations

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

1986 • 108 citations

Plant gene expression in effective and ineffective root nodules of alfalfa (Medicago sativa)

1987 • 108 citations

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

1988 • 107 citations

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

1987 • 107 citations

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

1988 • 106 citations

Alteration of the Effective Nodulation Properties of a Fast-growing Broad Host Range Rhizobium due to Changes in Exopolysaccharide Synthesis

1985 • 105 citations

Organization and expression of Rhizobium meliloti nitrogen fixation genes

1983 • 103 citations

Rhizobium meliloti nodulation genes: identification of nodDABC gene products, purification of nodA protein, and expression of nodA in Rhizobium meliloti

1985 • 103 citations

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

1969 • 100 citations

A Model of Nutrient Exchange in the Rhizobium-Legume Symbiosis

1985 • 99 citations

Membranes in lupin root nodules: I.the role of golgi bodies in the biogenesis of infection threads and peribacteroid membranes

1978 • 97 citations

Soybean nodulin genes: Analysis of cDNA clones reveals several major tissue-specific sequences in nitrogen-fixing root nodules

1983 • 97 citations

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

1986 • 95 citations

Direct response of Bradyrhizobium japonicum nifA-mediated nif gene regulation to cellular oxygen status

1987 • 95 citations

Glutamine synthetase of Phaseolus vulgaris L.: organ-specific expression of a multigene family.

1984 • 93 citations

Conserved Nodulation Genes in Rhizobium meliloti and Rhizobium trifolii

1985 • 93 citations

Specific targeting of membrane nodulins to the bacteroid-enclosing compartment in soybean nodules

1985 • 92 citations

Monoclonal antibodies to antigens in the peribacteroid membrane from Rhizobium -induced root nodules of pea cross-react with plasma membranes and Golgi bodies

1985 • 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

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

1988 • 84 citations

Induction of nitrogen-fixing nodules on clover requires only 32 kilobase pairs of DNA from the Rhizobium trifolii symbiosis plasmid

1988 • 83 citations

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

1987 • 82 citations

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

1983 • 80 citations

Cloning and characterization of nifA and ntrC genes of the stem nodulating bacterium ORS571, the nitrogen fixing symbiont of Sesbania rostrata: Regulation of nitrogen fixation (nif) genes in the free living versus symbiotic state

1987 • 80 citations

Common regulatory elements control symbiotic and microaerobic induction of nifA in Rhizobium meliloti.

1988 • 78 citations

Synthesis of an opine-like compound, a rhizopine, in alfalfa nodules is symbiotically regulated.

1988 • 77 citations

Lectin-enhanced accumulation of manganese-limited Rhizobium leguminosarum cells on pea root hair tips

1988 • 77 citations

Root-nodule symbioses with Rhizobium

1974 • 74 citations

Developmental Regulation of Nodule-Specific Genes in Alfalfa Root Nodules

1988 • 73 citations

Genetic rearrangements of a Rhizobium phaseoli symbiotic plasmid

1986 • 71 citations

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

1985 • 71 citations

Four classes of mutations in the nodD gene of Rhizobium leguminosarum biovar. viciae that affect its ability to autoregulate and/or activate other nod genes in the presence of flavonoid inducers

1987 • 69 citations

Expression and functional analysis of the Rhizobium meliloti nif A gene

1988 • 69 citations

Conservation of structure and location of Rhizobium meliloti and Klebsiella pneumoniae nifB genes

1987 • 61 citations

Primary structure of the soybean nodulin-23 gene and potential regulatory elements in the 5′-flanking regions of nodulin and leghemoglobin genes

1985 • 59 citations

Expression of nodule-specific glutamine synthetase genes during nodule development in soybeans

1986 • 56 citations

How does a legume nodule work?

1984 • 55 citations

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

1988 • 55 citations

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

1988 • 55 citations

Early development of Rhizobium-induced root nodules of Parasponia rigida. II. Nodule morphogenesis and symbiotic development

1985 • 55 citations

Identification and DNA sequence offixZ, anifB-like gene fromRhizobium legummosarum

1984 • 54 citations

A non-nodulating alfalfa mutant displays neither root hair curling nor early cell division in response to Rhizobium meliloti.

1989 • 53 citations

Rhizobium nod genes are involved in inducing an early nodulin gene

1986 • 52 citations

Physical organization of the Bradyrhizobium japonicum nitrogenase gene region

1984 • 51 citations

Physiology of behavioral mutants of Rhizobium meliloti: evidence for a dual chemotaxis pathway

1988 • 50 citations

Rhizobium sp. Degradation of Legume Root Hair Cell Wall at the Site of Infection Thread Origin

1985 • 49 citations

Mapping and expression of a regulatory nitrogen fixation gene (fix D) of Rhizobium meliloti

1985 • 49 citations

Transcription patterns of Rhizobium meliloti symbiotic plasmid pSym: identification of nifA-independent fix genes

1987 • 49 citations

Nodule-Specific Polypeptides from Effective Alfalfa Root Nodules and from Ineffective Nodules Lacking Nitrogenase

1985 • 48 citations

Nodulin Gene Expression in Effective Alfalfa Nodules and in Nodules Arrested at Three Different Stages of Development

1988 • 48 citations

Nodulation of specific legumes is controlled by several distinct loci in Rhizobium trifolii

1986 • 48 citations

Cloned nodulin genes for symbiotic nitrogen fixation

1988 • 48 citations

Viability of rhizobium trifolii bacteroids from clover root nodules

1977 • 48 citations

A block in the endocytosis of Rhizobium allows cellular differentiation in nodules but affects the expression of some peribacteroid membrane nodulins

1987 • 47 citations

Rhizobium meliloti nifN (fixF) gene is part of an operon regulated by a nifA-dependent promoter and codes for a polypeptide homologous to the nifK gene product

1987 • 47 citations

Peribacteroid membrane biogenesis in mature legume root nodules

1987 • 45 citations

Indigenous Plasmids of Rhizobium

1981 • 45 citations

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

1987 • 41 citations

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

1987 • 40 citations

Nodulin gene expression during soybean (Glycine max) nodule development

1987 • 39 citations

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

1986 • 39 citations

cDNA cloning and developmental expression of pea nodulin genes

1987 • 39 citations

Reproductive capacity of bacteroids in nodules of Trifolium repens L. and Glycine max (L.) Merr.

1985 • 39 citations

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

1985 • 36 citations

Plant-Microbe Interactions

2022 • 36 citations

Expression of a complete soybean leghemoglobin gene in root nodules of transgenic Lotus corniculatus

1987 • 34 citations

Characterization of DNA sequences homologous to Klebsiella pneumoniae nifH, D, K and E in the tropical Rhizobium ORS571

1985 • 33 citations

Development of Bacteroids in Alfalfa (Medicago sativa) Nodules

1978 • 33 citations

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

1985 • 32 citations

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

1987 • 30 citations

Expression of nodule-specific uricase in soybean callus tissue is regulated by oxygen

1986 • 29 citations

Host Specificity in Rhizobium-Legume Interactions

1984 • 28 citations

The Rhizobium Bacteroid State

1981 • 28 citations

Biology of the Rhizobiaceae

1981 • 27 citations

Identification of host range determinants in the Rhizobium species MPIK3030

1986 • 27 citations

Choline kinase II is present only in nodules that synthesize stable peribacteroid membranes

1986 • 27 citations

Corticotropin regulates trans-synaptically the activity of septo-hippocampal cholinergic neurones

1981 • 26 citations

The Genetics of Rhizobium

1981 • 25 citations

Identification of nifE-, nifN- and nifS-like genes in Bradyrhizobium japonicum

1987 • 24 citations

A gene upstream of the Rhizobium trifolii nifA gene encodes a ferredoxin-like protein

1987 • 19 citations

Rhizobium sp. strain ORS571 grows synergistically on N2 and nicotinate as N sources

1986 • 19 citations

Sym Plasmid and Chromosomal Gene Products of Rhizobium trifolii Elicit Developmental Responses on Various Legume Roots

1986 • 18 citations

Analysis of DNA Content, Nitrogenase Activity and In Vivo Protein Synthesis of Rhizobium leguminosarum Bacteroids on Sucrose Gradients

1978 • 18 citations

Transcriptional Activation in Nuclei from Uninfected Soybean of a Set of Genes Involved in Symbiosis withRhizobium

1988 • 17 citations

Recognition in Rhizobium -Legume Symbioses

1981 • 14 citations

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

1985 • 14 citations

Deleted Work

1955 • 0 citations