Host-Plant Invasion by Rhizobia

Type III Protein Secretion Systems in Bacterial Pathogens of Animals and Plants

1998 • 2,394 citations

The complete general secretory pathway in gram-negative bacteria

1993 • 1,668 citations

Biological Nitrogen Fixation

1993 • 1,524 citations

RHIZOBIUM LIPO-CHITOOLIGOSACCHARIDE NODULATION FACTORS: Signaling Molecules Mediating Recognition and Morphogenesis

1996 • 940 citations

Molecular basis of symbiosis between Rhizobium and legumes

1997 • 767 citations

Calcium Spiking in Plant Root Hairs Responding to Rhizobium Nodulation Signals

1996 • 630 citations

Rhizobium–plant signal exchange

1992 • 619 citations

Developmental biology of legume nodulation

1992 • 613 citations

Symbiotic Nitrogen Fixation.

1995 • 605 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 type III (Hrp) secretion pathway of plant pathogenic bacteria: trafficking harpins, Avr proteins, and death

1997 • 521 citations

The complete general secretory pathway in gram-negative bacteria.

1993 • 510 citations

Development of the Legume Root Nodule

1991 • 477 citations

Advances in Molecular Genetics of Plant-Microbe Interactions

1994 • 470 citations

Gene cluster of Pseudomonas syringae pv. "phaseolicola" controls pathogenicity of bean plants and hypersensitivity of nonhost plants

1986 • 443 citations

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

1992 • 423 citations

Biological Nitrogen Fixation

1993 • 339 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

Cyclic beta-glucans of members of the family Rhizobiaceae

1994 • 262 citations

Biosynthesis and Expression of Cell-Surface Polysaccharides in Gram-Negative Bacteria

1993 • 251 citations

HrpG, a KeyhrpRegulatory Protein ofXanthomonas campestrispv.vesicatoriaIs Homologous to Two-Component Response Regulators

1996 • 240 citations

Biological Nitrogen Fixation for the 21st Century

1998 • 236 citations

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

1987 • 228 citations

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

1986 • 215 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

hrp Genes of Phytopathogenic Bacteria

1994 • 207 citations

Genes needed for the modification, polymerization, export, and processing of succinoglycan by Rhizobium meliloti: a model for succinoglycan biosynthesis

1993 • 198 citations

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

1992 • 193 citations

Structure and Biosynthesis of the Capsular Antigens of Escherichia coli

1990 • 191 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

Genes involved in lipopolysaccharide production and symbiosis are clustered on the chromosome of Rhizobium leguminosarum biovar viciae VF39

1989 • 170 citations

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

1986 • 170 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

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

Structural elucidation, using h.p.l.c.-m.s. and g.l.c.-m.s., of the acidic polysaccharide secreted by rhizobium meliloti strain 1021

1981 • 160 citations

Nitrogen fixation ability of exopolysaccharide synthesis mutants of Rhizobium sp. strain NGR234 and Rhizobium trifolii is restored by the addition of homologous exopolysaccharides

1987 • 159 citations

Rhizobium fredii and Rhizobium meliloti produce 3-deoxy-D-manno-2-octulosonic acid-containing polysaccharides that are structurally analogous to group II K antigens (capsular polysaccharides) found in Escherichia coli

1993 • 144 citations

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

1989 • 144 citations

Cytological Evidence for a Host Defense Response That Reduces Cell and Tissue Invasion in Pea Nodules by Lipopolysaccharide-Defective Mutants ofRhizobium leguminosarumStrain 3841

1994 • 140 citations

Rapid alkalinization in alfalfa root hairs in response to rhizobial lipochitooligosaccharide signals

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

Current ReviewhrpGenes of Phytopathogenic Bacteria

1991 • 135 citations

The 32-kilobase exp gene cluster of Rhizobium meliloti directing the biosynthesis of galactoglucan: genetic organization and properties of the encoded gene products

1997 • 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

Legume nodule organogenesis

1998 • 126 citations

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

1993 • 121 citations

Cyclic beta-glucans of members of the family Rhizobiaceae.

1994 • 121 citations

A second exopolysaccharide of Rhizobium meliloti strain SU47 that can function in root nodule invasion.

1989 • 117 citations

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

1988 • 116 citations

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

1982 • 115 citations

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

1994 • 107 citations

Hypoosmotic adaptation in Rhizobium meliloti requires beta-(1----2)-glucan

1990 • 107 citations

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

1985 • 105 citations

Isolation and characterization of mutants of Rhizobium leguminosarum bv. viciae 248 with altered lipopolysaccharides: possible role of surface charge or hydrophobicity in bacterial release from the infection thread

1989 • 99 citations

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

1994 • 94 citations

Structural studies of a phosphocholine substituted β-(1,3); (1,6) macrocyclic glucan from Bradyrhizobium japonicum USDA 110

1992 • 94 citations

Symbiotic pseudorevertants of Rhizobium meliloti ndv mutants

1990 • 93 citations

Suppression of the Fix- phenotype of Rhizobium meliloti exoB mutants by lpsZ is correlated to a modified expression of the K polysaccharide

1995 • 93 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

Studies on cyclic β-1,2-glucan obtained from periplasmic space ofRhizobium trifolii cells

1982 • 90 citations

The Rhizobium meliloti exoK gene and prsD / prsE / exsH genes are components of independent degradative pathways which contribute to production of low‐molecular‐weight succinoglycan

1997 • 86 citations

Structural studies of a novel exopolysaccharide produced by a mutant of Rhizobium meliloti strain Rm1021

1990 • 84 citations

(1→2)-β-d-glucan and acidic oligosaccharides produced by Rhizobium meliloti

1983 • 84 citations

Rhizobium meliloti lipopolysaccharide and exopolysaccharide can have the same function in the plant-bacterium interaction

1990 • 83 citations

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

1989 • 83 citations

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

1994 • 80 citations

A Lipopolysaccharide Mutant ofBradyrhizobium japonicumthat Uncouples Plant from Bacterial Differentiation

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

Rapid, Plateau-like Increases in Intracellular Free Calcium Are Associated with Nod-Factor—Induced Root-Hair Deformation

1997 • 73 citations

Nodules Initiated by Rhizobium meliloti Exopolysaccharide Mutants Lack a Discrete, Persistent Nodule Meristem

1992 • 73 citations

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

1989 • 72 citations

The presence of a novel type of surface polysaccharide in Rhizobium meliloti requires a new fatty acid synthase‐like gene cluster involved in symbiotic nodule development

1993 • 71 citations

Analysis of the Rhizobium meliloti exoH/exoK/exoL fragment: ExoK shows homology to excreted endo-β-1,3-1,4-glucanases and ExoH resembles membrane proteins

1993 • 71 citations

Excessive excretion of cyclic beta-(1,2)-glucan by Rhizobium trifolii TA-1

1990 • 70 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

The ndvB locus of Rhizobium meliloti encodes a 319-kDa protein involved in the production of beta-(1----2)-glucan.

1990 • 68 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

Suppression of fungal ?-glucan-induced plant defence in soybean (Glycine max L.) by cyclic 1,3-1,6-?-glucans from the symbiont Bradyrhizobium japonicum

1996 • 60 citations

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

1996 • 60 citations

In‐situ localization of chalcone synthase mRNA in pea root nodule development

1992 • 56 citations

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

1993 • 55 citations

The symbiotic defect of Rhizobium meliloti exopolysaccharide mutants is suppressed by lpsZ+, a gene involved in lipopolysaccharide biosynthesis

1990 • 55 citations

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

1992 • 55 citations

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

1997 • 54 citations

The Rhizobium meliloti ExoK and ExsH glycanases specifically depolymerize nascent succinoglycan chains

1998 • 51 citations

Expression of Rhizobium leguminosarum CFN42 genes for lipopolysaccharide in strains derived from different R. leguminosarum soil isolates

1990 • 51 citations

Lipopolysaccharide mutants of Rhizobium meliloti are not defective in symbiosis

1989 • 50 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

ExoB Mutants ofBradyrhizobium japonicumwith Reduced Competitiveness for Nodulation ofGlycine max

1993 • 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

The soybean cultivar specificity gene noIX is present, expressed in a nodD-dependent manner, and of symbiotic significance in cultivar-nonspecific strains of Rhizobium (Sinorhizobium) fredii

1997 • 44 citations

The rkpGHI and -J genes are involved in capsular polysaccharide production by Rhizobium meliloti

1997 • 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

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

1994 • 40 citations

The Rhizobium sp. BR816 nodO Gene Can Function as a Determinant for Nodulation of Leucaena leucocephala, Phaseolus vulgaris, and Trifolium repens by a Diversity of Rhizobium spp.

1998 • 40 citations

Isolation and characterization of an ndvB locus from Rhizobium fredii

1992 • 36 citations

Role of the K-Antigen Subgroup of Capsular Polysaccharides in the Early Recognition Process Between Rhizobium meliloti and Alfalfa Leaves

1997 • 35 citations

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

1991 • 33 citations

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

1996 • 32 citations

Biosynthesis and excretion of cyclic glucans by Rhizobium meliloti 1021

1991 • 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

Mapping of complementation groups within a Rhizobium leguminosarum CFN42 chromosomal region required for lipopolysaccharide synthesis

1990 • 27 citations

33 Rhizobium lipopolysaccharides; their structures and evidence of their importance in the nitrogen-fixing symbiotic infection of their host legumes

2024 • 26 citations

Suppression of the ndv mutant phenotype of Rhizobium meliloti by cloned exo genes

1992 • 19 citations

Genetic and chemical characterization of a mutant that disrupts synthesis of the lipopolysaccharide core tetrasaccharide in Rhizobium leguminosarum

1996 • 19 citations

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

1998 • 18 citations

An Osmorevertant of aRhizobium meliloti ndvBDeletion Mutant Forms Infection Threads but is Defective in Bacteroid Development

1992 • 17 citations

The Role of the Rhizobium Meliloti Exopolysaccharides EPS I and EPS II in the Infection Process of Alfalfa Nodules

1991 • 16 citations

Proteins from Cells ofRhizobium frediiBind to DNA Sequences PrecedingnoIX,a Flavonoid-lnduciblenodGene that Is Not Associated with anodBox

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

Characterization of aRhizobium meliloti ndvBMutant and a Symbiotic Revertant that Regains Wild-Type Properties

1992 • 10 citations

Surface antigens present on vegetative Rhizobium meliloti cells may be diminished or absent when cells are in the bacteroid form

1992 • 9 citations

Genome Structure in Nitrogen-Fixing Organisms

1998 • 6 citations