Molecular Basis of Symbiotic Promiscuity

The plant-book

1987 • 1,527 citations

Biological Nitrogen Fixation

1993 • 1,524 citations

Arabidopsis Ethylene-Response Gene ETR1 : Similarity of Product to Two-Component Regulators

1993 • 1,478 citations

Four hundred-million-year-old vesicular arbuscular mycorrhizae.

1994 • 1,150 citations

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

1990 • 1,116 citations

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

1986 • 967 citations

A plant regulator controlling development of symbiotic root nodules

1999 • 858 citations

Origin and diversification of endomycorrhizal fungi and coincidence with vascular land plants

1993 • 804 citations

Molecular basis of symbiosis between Rhizobium and legumes

1997 • 767 citations

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

1985 • 589 citations

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

1991 • 533 citations

The Rhizobium-plant symbiosis

1995 • 533 citations

REGULATION OF SYMBIOTIC ROOT NODULE DEVELOPMENT

1998 • 511 citations

Root Nodule Bacteria and Leguminous Plants

1939 • 510 citations

Marine latitudinal diversity gradients: Tests of causal hypotheses

1998 • 487 citations

Succinoglycan Is Required for Initiation and Elongation of Infection Threads during Nodulation of Alfalfa by Rhizobium meliloti

1998 • 471 citations

Methods in legume-Rhizobium technology.

1985 • 441 citations

Root Nodule Bacteria and Leguminous Plants

1933 • 426 citations

Rhizobiumsp. Strain NGR234 andR. frediiUSDA257 Share Exceptionally Broad, Nested Host Ranges

1999 • 412 citations

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

1991 • 404 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

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

1986 • 365 citations

Genetic Control of Root Hair Development in Arabidopsis thaliana.

1990 • 357 citations

Symbiotic mutants of rhizobium meliloti that uncouple plant from bacterial differentiation

1985 • 337 citations

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

1992 • 325 citations

Molecular genetics of plant-microbe interactions

1987 • 308 citations

Biology of plant-microbe interactions

1996 • 291 citations

A novel exopolysaccharide can function in place of the Calcofluor-binding exopolysaccharide in nodulation of alfalfa by Rhizobium meliloti

1989 • 291 citations

Symbiotic implications of type III protein secretion machinery in Rhizobium

1998 • 291 citations

Biosynthesis of succinoglycan, a symbiotically important exopolysaccharide of Rhizobium meliloti

1993 • 286 citations

SIGNALING AND HOST RANGE VARIATION IN NODULATION

1992 • 268 citations

Abortion of infection during the Rhizobium meliloti—alfalfa symbiotic interaction is accompanied by a hypersensitive reaction

1993 • 263 citations

Cyclic beta-glucans of members of the family Rhizobiaceae

1994 • 262 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

Relationships Amongst the Fast‐growing Rhizobia of Lablab purpureus, Leucaena leucocephala, Mimosa spp., Acacia farnesiana and Sesbania grandiflora and their Affinities with Other Rhizobial Groups

1980 • 248 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

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

Biological Nitrogen Fixation for the 21st Century

1998 • 236 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

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

Plant defence and delayed infection of alfalfa pseudonodules induced by an exopolysaccharide (EPS I)-deficient Rhizobium meliloti mutant

1993 • 214 citations

Type III secretion systems: machines to deliver bacterial proteins into eukaryotic cells?

1997 • 213 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

Conservation of extended promoter regions of nodulation genes in Rhizobium

1986 • 209 citations

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

1992 • 205 citations

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

1988 • 204 citations

Working Models of Specific Recognition in Plant-Microbe Interactions

1990 • 202 citations

Symbiosis between Rhizobium and the Non-legume, Trema aspera

1973 • 199 citations

Perception of Rhizobium nodulation factors by tomato cells and inactivation by root chitinases.

1994 • 196 citations

Specific oligosaccharide form of the Rhizobium meliloti exopolysaccharide promotes nodule invasion in alfalfa.

1992 • 193 citations

Temporal and spatial regulation of the symbiotic genes of Rhizobium meliloti in planta revealed by transposon Tn5-gusA.

1990 • 190 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

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

1994 • 183 citations

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

1988 • 181 citations

Low molecular weight EPS II of Rhizobium meliloti allows nodule invasion in Medicago sativa.

1996 • 179 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

A nod factor binding lectin with apyrase activity from legume roots

1999 • 175 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

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

1992 • 168 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

Succinoglycan Production by Rhizobium meliloti Is Regulated through the ExoS-ChvI Two-Component Regulatory System

1998 • 164 citations

Exopolysaccharides of Rhizobium: synthesis, regulation and symbiotic function

1994 • 162 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

Nucleotide sequence ofRhizobium melilotiRCR2011 genes involved in host specificity of nodulation

1986 • 154 citations

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

1990 • 154 citations

Structural identification of the iipo‐chitin oligosaccharide nodulation signals of Rhizobium loti

1995 • 153 citations

Structural modifications in Rhizobium meliloti Nod factors influence their stability against hydrolysis by root chitinases

1994 • 152 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

Genetic Control of Root Hair Development in Arabidopsis thaliana

1990 • 147 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

Phaseolus vulgaris is a non-selective host for nodulation

1998 • 144 citations

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

1989 • 144 citations

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

1989 • 143 citations

Plant responses to nodulation factors

1999 • 142 citations

The development of root hairs in angiosperms

1949 • 141 citations

Regulation of plant morphogenesis by Lipo‐Chitin oligosaccharides

1996 • 137 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

High‐resolution transcriptional analysis of the symbiotic plasmid of Rhizobium sp. NGR234

1999 • 136 citations

Expression of the early nodulin, ENOD40, in soybean roots in response to various lipo‐chitin signal molecules

1996 • 135 citations

Sym2 of Pea Is Involved in a Nodulation Factor-Perception Mechanism That Controls the Infection Process in the Epidermis

1997 • 134 citations

Carbon Turnover in the Rhizosphere

1989 • 134 citations

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

1989 • 134 citations

The common nodABC genes of Rhizobium meliloti are host-range determinants

1996 • 133 citations

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

1993 • 132 citations

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

1988 • 132 citations

Structural Characterization of the Symbiotically Important Low-Molecular-Weight Succinoglycan of Sinorhizobium meliloti

1999 • 130 citations

Hormone Binding in Plants

1976 • 129 citations

Legume nodule organogenesis

1998 • 126 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

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

1993 • 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

Characterization of polysaccharides of Rhizobium meliloti exo mutants that form ineffective nodules

1988 • 116 citations

Isolation, chemical structures and biological activity of the lipo-chitin oligosaccharide nodulation signals from Rhizobium etli

1995 • 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

Symbiotic nitrogen fixation: molecular cloning of Rhizobium genes involved in exopolysaccharide synthesis and effective nodulation.

1982 • 115 citations

Molecular mechanisms of Nod factor diversity

1997 • 113 citations

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

1993 • 113 citations

Identification and analysis of the Rhizobium meliloti exoAMONP genes involved in exopolysaccharide biosynthesis and mapping of promoters located on the exoHKLAMONP fragment

1993 • 111 citations

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

1990 • 110 citations

Rhizobium meliloti nodD genes mediate host-specific activation of nodABC

1990 • 108 citations

Genetic Organization and Transcriptional Regulation of Rhizobial Nodulation Genes

1998 • 107 citations

Phylogenetic relationships and host range of Rhizobium spp. that nodulate Phaseolus vulgaris L

1995 • 107 citations

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

1994 • 107 citations

The Structures of the Lipopolysaccharides from Rhizobium etli Strains CE358 and CE359

1998 • 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

Suppression of nodulation gene expression in bacteroids of Rhizobium leguminosarum biovar viciae

1991 • 103 citations

Characterization of a binding site for chemically synthesized lipo‐oligosaccharidic NodRm factors in particulate fractions prepared from roots

1995 • 102 citations

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

1994 • 101 citations

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

1989 • 100 citations

Nod factor internalization and microtubular cytoskeleton changes occur concomitantly during nodule differentiation in alfalfa

1998 • 99 citations

In vitro sulfotransferase activity of NodH, a nodulation protein of Rhizobium meliloti required for host-specific nodulation

1995 • 96 citations

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

1994 • 96 citations

Functions of Rhizobial Nodulation Genes

1998 • 96 citations

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

1989 • 96 citations

Srchi13, a Novel Early Nodulin from Sesbania rostrata, Is Related to Acidic Class III Chitinases

1998 • 94 citations

Plant Defense Responses of Host Plants with Determinate Nodules Induced by EPS-DefectiveexoBMutants ofBradyrhizobium japonicum

1994 • 94 citations

Genealogy of legume-Rhizobium symbioses

1999 • 92 citations

Exopolysaccharide mutants of Rhizobium loti are fully effective on a determinate nodulating host but are ineffective on an indeterminate nodulating host

1991 • 92 citations

Roles for Azorhizobial Nod Factors and Surface Polysaccharides in Intercellular Invasion and Nodule Penetration, Respectively

1998 • 91 citations

Rhizobium NodI and NodJ proteins play a role in the efficiency of secretion of lipochitin oligosaccharides

1995 • 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

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

1987 • 90 citations

Novel rkp Gene Clusters of Sinorhizobium meliloti Involved in Capsular Polysaccharide Production and Invasion of the Symbiotic Nodule: the rkpK Gene Encodes a UDP-Glucose Dehydrogenase

1998 • 89 citations

Involvement of nodS in N-Methylation and nodU in 6-O-Carbamoylation of Rhizobium sp. NGR234 Nod Factors

1995 • 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

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

1994 • 84 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 • 83 citations

Rhizobium leguminosarum exopolysaccharide mutants: biochemical and genetic analyses and symbiotic behavior on three hosts

1989 • 83 citations

Role of the Differentiation of Root Epidermal Cells in Nod Factor (from Rhizobium meliloti)-Induced Root-Hair Depolarization of Medicago sativa

1995 • 82 citations

Lipo-chitooligosaccharide Nodulation Signals from Rhizobium meliloti Induce Their Rapid Degradation by the Host Plant Alfalfa

1995 • 81 citations

Structural and Functional Analysis of Two DifferentnodDGenes inBradyrhizobium japonicumUSDA110

1992 • 81 citations

Further Studies of the Role of Cyclic β-Glucans in Symbiosis. An ndvC Mutant of Bradyrhizobium japonicumSynthesizes Cyclodecakis-(1→3)-β-Glucosyl1

1999 • 81 citations

NodV and NodW, a second flavonoid recognition system regulating nod gene expression in Bradyrhizobium japonicum

1997 • 81 citations

Biological Nitrogen Fixation

1994 • 80 citations

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

1994 • 79 citations

Analysis of theRhizobium melilotiGenesexoU,exoV,exoW,exoT, andexoI Involved in Exopolysaccharide Biosynthesis and Nodule Invasion:exoU andexoW Probably Encode Glucosyltransferases

1993 • 79 citations

Wild Type Rhizobium etli, a Bean Symbiont, Produces Acetyl-fucosylated, N-Methylated, and Carbamoylated Nodulation Factors

1995 • 78 citations

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

1990 • 76 citations

Subcellular localization of the nodD gene product in Rhizobium leguminosarum

1989 • 76 citations

Chitinase and peroxidase in effective (fix+) and ineffective (fix?) soybean nodules

1992 • 76 citations

Aldonic Acids: A Novel Family of nod Gene Inducers of Mesorhizobium loti, Rhizobium lupini, and Sinorhizobium meliloti

1998 • 76 citations

Ligand specificity of a high-affinity binding site for lipo-chitooligosaccharidic Nod factors in Medicago cell suspension cultures

1999 • 76 citations

In vitro sulfotransferase activity of Rhizobium meliloti NodH protein: lipochitooligosaccharide nodulation signals are sulfated after synthesis of the core structure.

1995 • 75 citations

The exoR gene of Rhizobium meliloti affects RNA levels of other exo genes but lacks homology to known transcriptional regulators

1991 • 75 citations

The Rhizobium leguminosarum prsDE genes are required for secretion of several proteins, some of which influence nodulation, symbiotic nitrogen fixation and exopolysaccharide modification

1997 • 75 citations

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

1991 • 74 citations

Development of the arbuscular mycorrhizal symbiosis

1998 • 73 citations

Role of Exopolysaccharides of Rhizobium leguminosarum bv. viciae as Host Plant-Specific Molecules Required for Infection Thread Formation During Nodulation of Vicia sativa

1998 • 73 citations

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

1990 • 73 citations

Distinct response of Medicago suspension cultures and roots to Nod factors and chitin oligomers in the elicitation of defense‐related responses

1997 • 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

Host Specificity ofRhizobium leguminosarumis Determined by the Hydrophobicity of Highly Unsaturated Fatty Acyl Moieties of the Nodulation Factors

1995 • 72 citations

A nod factor lectin with apyrase activity from legume roots

1999 • 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

Characterization of Rhizobium leguminosarum Exopolysaccharide Glycanases That Are Secreted via a Type I Exporter and Have a Novel Heptapeptide Repeat Motif

1998 • 69 citations

NodZ of Bradyrhizobium extends the nodulation host range of Rhizobium by adding a fucosyl residue to nodulation signals

1996 • 69 citations

Multiple copies of nodD in Rhizobium tropici CIAT899 and BR816

1993 • 68 citations

The NodA proteins of Rhizobium meliloti and Rhizobium tropici specify the N‐acylation of Nod factors by different fatty acids

1996 • 67 citations

Induction of nodule primordia on Phaseolus and Acacia by lipo-chitin oligosaccharide nodulation signals from broad-host-range Rhizobium strain GRH2

1995 • 67 citations

Development of root hairs in angiosperms. II

1962 • 67 citations

Plant isoflavonoids, pathogens and symbionts

1995 • 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

Rhizobium nodulation protein NodC is an important determinant of chitin oligosaccharide chain length in Nod factor biosynthesis

1997 • 65 citations

Sulphation of Rhizobium sp. NGR234 Nod factors is dependent on noeE, a new host‐specificity gene

1997 • 64 citations

Cloning and Characterization of Four Genes of Rhizobium leguminosarum bv. trifolii Involved in Exopolysaccharide Production and Nodulation

1997 • 63 citations

Cooperative Action of Lipo-Chitin Nodulation Signals on the Induction of the Early Nodulin, ENOD2, in Soybean Roots

1996 • 63 citations

Fucosylation and arabinosylation of Nod factors in Azorhizobium caulinodans: involvement of nolKnodZ as well as noeC and/or downstream genes

1996 • 63 citations

nolO and noeI (HsnIII) ofRhizobium sp. NGR234 Are Involved in 3-O-Carbamoylation and 2-O-Methylation of Nod Factors

1998 • 62 citations

Chitin Oligosaccharide Synthesis by Rhizobia and Zebrafish Embryos Starts by Glycosyl Transfer to O4 of the Reducing-Terminal Residue

1999 • 62 citations

Structure of the Mesorhizobium huakuii and Rhizobium galegae Nod factors: a cluster of phylogenetically related legumes are nodulated by rhizobia producing Nod factors with α,β‐unsaturated N‐acyl substitutions

1999 • 61 citations

Rhizobium nodulation protein NodA is a host-specific determinant of the transfer of fatty acids in Nod factor biosynthesis

1996 • 60 citations

Nod Factor Thin-Layer Chromatography Profiling as a Tool to Characterize Symbiotic Specificity of Rhizobial Strains: Application toSinorhizobium saheli,S.teranga,andRhizobiumsp. Strains Isolated fromAcaciaandSesbania

1996 • 60 citations

nodD2 of Rhizobium sp. NGR234 is involved in the repression of the nodABC operon

1998 • 60 citations

Beta-glucan synthesis in Bradyrhizobium japonicum: characterization of a new locus (ndvC) influencing beta-(1-->6) linkages

1996 • 60 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

Biosynthesis of Azorhizobium caulinodans Nod Factors

1995 • 59 citations

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

1991 • 58 citations

Plant chitinase/lysozyme isoforms show distinct substrate specificity and cleavage site preference towards lipochitooligosaccharide Nod signals

1998 • 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

Bacterial nodulation protein NodZ is a chitin oligosaccharide fucosyltransferase which can also recognize related substrates of animal origin

1997 • 58 citations

NoIR controls expression of the Rhizobium meliloti nodulation genes involved in the core Nod factor synthesis

1995 • 57 citations

Organization of host‐inducible transcripts on the symbiotic plasmid of Rhizobium sp. NGR234

1995 • 56 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

Freeze-substitution improves the ultrastructural preservation of legume root hairs

1988 • 54 citations

Characterization of Two Plasmid-borne lpsβ Loci of Rhizobium etli Required for Lipopolysaccharide Synthesis and for Optimal Interaction with Plants

1997 • 54 citations

Novel Branched Nod Factor Structure Results from α-(1→3) Fucosyl Transferase Activity: The Major Lipo-Chitin Oligosaccharides from Mesorhizobium loti Strain NZP2213 Bear an α-(1→3) Fucosyl Substituent on a Nonterminal Backbone Residue

1998 • 53 citations

Phenotypic Characterization and Regulation of thenolAgene ofBradyrhizobium japonicum

1996 • 53 citations

ThenodSGene ofRhizobium tropiciStrain CIAT899 Is Necessary for Nodulation onPhaseolus vulgarisand onLeucaena leucocephala

1995 • 52 citations

The structure of the exopolysaccharide from Rhizobium sp. strain ANU280 (NGR234)

1986 • 51 citations

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

1991 • 51 citations

Ethylene Prevents Nodulation ofVicia sativassp.nigraby Exopolysaccharide-Deficient Mutants ofRhizobium leguminosarumbv.Viciae

1995 • 51 citations

Identification of a high affinity binding site for lipo-oligosaccharidic NodRm factors in the microsomal fraction of Medicago cell suspension cultures

1997 • 50 citations

Structurally diverse chitolipooligosaccharide Nod factors accumulate primarily in membranes of wild-type Rhizobium leguminosarum biovar trifolii

1995 • 50 citations

Nodule-Inducing Activity of Synthetic Sinorhizobium meliloti Nodulation Factors and Related Lipo-Chitooligosaccharides on Alfalfa.Importance of the Acyl Chain Structure1

1999 • 49 citations

Elaboration of flavonoid-induced proteins by the nitrogen-fixing soybean symbiont Rhizobium fredii is regulated by both nodD1 and nodD2, and is dependent on the cultivar-specificity locus, nolXWBTUV

1995 • 49 citations

The nolL Gene from Rhizobium etli Determines Nodulation Efficiency by Mediating the Acetylation of the Fucosyl Residue in the Nodulation Factor

1999 • 49 citations

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

1988 • 49 citations

A Nod factor-binding lectin is a member of a distinct class of apyrases that may be unique to the legumes

1999 • 48 citations

Rhizobium sp. strain NGR234 NodZ protein is a fucosyltransferase

1997 • 48 citations

NodS is an S‐adenosyl‐<scp>l</scp>‐methionine‐dependent methyltransferase that methylates chitooligosaccharides deacetylated at the non‐reducing end

1995 • 48 citations

Symbiosis-stimulated chitinase isoenzymes of soybean (Glycine max (L.) Merr.)

1999 • 48 citations

Molecular dissection of structure and function in the lipopolysaccharide of Rhizobium leguminosarum strain 3841 using monoclonal antibodies and genetic analysis

1992 • 47 citations

Mass spectrometric analysis of chitin oligosaccharides produced by Rhizobium NodC protein in Escherichia coli

1995 • 47 citations

Transduction of plant signal molecules by the Rhizobium NodD proteins

1991 • 47 citations

A central domain of Rhizobium NodE protein mediates host specificity by determining the hydrophobicity of fatty acyl moieties of nodulation factors

1995 • 47 citations

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

1994 • 46 citations

NolL of Rhizobium sp. Strain NGR234 Is Required for O -Acetyltransferase Activity

1999 • 44 citations

Purification and characterization of a novel chitinase–lysozyme, of another chitinase, both hydrolysing Rhizobium meliloti Nod factors, and of a pathogenesis-related protein from Medicago sativa roots

1998 • 44 citations

Nod Factors from Sinorhizobium saheli and S. teranga bv. sesbaniae Are Both Arabinosylated and Fucosylated, a Structural Feature Specific to Sesbania rostrata Symbionts

1997 • 43 citations

A Third Highly Conserved Group 1 Lea Gene from Arabidopsis thaliana L

1994 • 43 citations

Cloning and sequence analysis of the arginine deiminase gene from Mycoplasma arginini

1990 • 43 citations

Structural characterization of the K antigens from Rhizobium fredii USDA257: evidence for a common structural motif, with strain-specific variation, in the capsular polysaccharides of Rhizobium spp

1997 • 43 citations

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

1989 • 42 citations

Leguminous plants and their associated organisms

1938 • 42 citations

Nod Factors of Azorhizobium caulinodans Strain ORS571 Can Be Glycosylated with an Arabinosyl Group, a Fucosyl Group, or Both

1997 • 41 citations

Sinorhizobium teranga bv. acaciae ORS1073 and Rhizobium sp. strain ORS1001, two distantly related Acacia-nodulating strains, produce similar Nod factors that are O carbamoylated, N methylated, and mainly sulfated

1997 • 41 citations

The role of the nodI and nodJ genes in the transport of Nod metabolites in Rhizobium etli

1996 • 41 citations

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

1994 • 40 citations

Molecular Characterization of pssCDE Genes of Rhizobium leguminosarum bv. trifolii strain TA1: pssD Mutant Is Affected in Exopolysaccharide Synthesis and Endocytosis of Bacteria

1998 • 40 citations

Homology of the ligand-binding regions of Rhizobium symbiotic regulatory protein NodD and vertebrate nuclear receptors

1991 • 39 citations

Two Types of Nodules Induced on Trifolium pratense by Mutants of Rhizobium leguminosarum bv. trifolii deficient in Exopolysaccharide Production

1995 • 37 citations

Plants and their constituents

1994 • 37 citations

Conservation of noIR in the Sinorhizobium and Rhizobium Genera of the Rhizobiaceae Family

1998 • 37 citations

Identification of a High Affinity Binding Site for Lipo-oligosaccharidic NodRm Factors in the Microsomal Fraction of Medicago Cell Suspension Cultures

1997 • 36 citations

Comparison of Characteristics of the nodX Genes from Various Rhizobium leguminosarum Strains

1999 • 36 citations

Nodule Development Induced by Mutants ofBradyrhizobium japonicumDefective in Cyclic B-glucan Synthesis

1996 • 35 citations

Rhizobium fredii synthesizes an array of lipooligosaccharides, including a novel compound with glucose inserted into the backbone of the molecule

1996 • 35 citations

Role of nodl and nodj in lipo‐chitooligosaccharide secretion in Azorhizobium caulinodans and Escherichia coli

1996 • 34 citations

Exopolysaccharide (EPS) synthesis in Bradyrhizobium japonicum : sequence, operon structure and mutational analysis of an exo gene cluster

1998 • 33 citations

Heterologous exopolysaccharide production in Rhizobium sp. strain NGR234 and consequences for nodule development

1991 • 33 citations

Restriction of Host Range by the sym2 Allele of Afghan Pea Is Nonspecific for the Type of Modification at the Reducing Terminus of Nodulation Signals

1998 • 33 citations

Rhizobium leguminosarum bv. trifolii produces Lipo-chitin Oligosaccharides with nodE-dependent Highly Unsaturated Fatty Acyl Moieties

1996 • 32 citations

Isolation and Characterization of a pSym Locus ofRhizobiumsp. BR816That Extends Nodulation Ability of Narrow Host RangePhaseolus vulgarisSymbionts toLeucaena leucocephala

1996 • 32 citations

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

1989 • 30 citations

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

1993 • 29 citations

Exopolysaccharide-Deficient Mutants of Rhizobium fredii HH303 Which Are Symbiotically Effective

1989 • 28 citations

Signals to and Emanating from Rhizobium Largely Control Symbiotic Specificity

1995 • 28 citations

An insertional point mutation inactivates NolR repressor in Rhizobium meliloti 1021

1994 • 27 citations

Structure and gelation of rhizobium capsular polysaccharide

1987 • 26 citations

In Vitro Sulfotransferase Activity of NoeE, a Nodulation Protein of Rhizobium sp. NGR234

1998 • 26 citations

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

1991 • 22 citations

Molecular and symbiotic characterization of exopolysaccharide‐deficient mutants of Rhizobium tropici strain CIAT899

1992 • 21 citations

Expression of a Serratia marcescens Chitinase Gene in Sinorhizobium fredii USDA191 and Sinorhizobium meliloti RCR2011 Impedes Soybean and Alfalfa Nodulation

1999 • 21 citations

SyrM1 ofRhizobiumsp. NGR234 Activates Transcription of Symbiotic Loci and Controls the Level of Sulfated Nod Factors

1998 • 18 citations

Different Phenotypic Classes of Sinorhizobium meliloti Mutants Defective in Synthesis of K Antigen

1998 • 17 citations

Carbamoylation of Azorhizobial Nod Factors Is Mediated by NodU

1999 • 16 citations

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

1989 • 15 citations

Rhizobium species NGR234 host-specificity of nodulation locus III contains nod- and fix- genes

1996 • 15 citations

Analysis of the C-terminal Secretion Signal of theRhizobium leguminosarumNodulation Protein NodO; a Potential System for the Secretion of Heterologous Proteins During Nodule Invasion

1996 • 15 citations

The symbiotic phenotypes of exopolysaccharide-defective mutants of Rhizobium sp. strain TAL1145 do not differ on determinate- and indeterminate-nodulating tree legumes

1997 • 13 citations

Phaseolus vulgaris is a non-selective host for nodulation (vol 26, pg 193, 1998)

1998 • 11 citations

Do Nod-factor Levels Play a Role in Host-Specificity ?

1994 • 10 citations

Changes in the glycosylation pattern at the reducing end of azorhizobial Nod factors affect nodulation efficiency

1998 • 9 citations

Host-Plant Invasion by Rhizobia

2000 • 8 citations

Multiple Host-Specificity Loci in the Broad Host-Range Rhizobium NGR234

1987 • 6 citations

The nodDABC Genes of Rhizobium leguminosarum biovar trifolii Confer Root-Hair Curling Ability to a Diverse Range of Soil Bacteria and the Ability to Induce Novel Root Swellings on Beans

1994 • 5 citations

Changes in the glycosylation pattern at the reducing end of azorhizobial Nod factors affect nodulation efficiency

1998 • 4 citations

Rhizobium trifolii mutant defective in the structure of lipopolysaccharide

1989 • 3 citations

Characterization of a High Affinity Binding Site for NodRm Factors in Medicago varia Cell Culture Extracts

1998 • 2 citations