| PubMed: | Phylogenetic Co-Occurrence of ExoR, ExoS, and ChvI, Components of the RSI Bacterial Invasion Switch, Suggests a Key Adaptive Mechanism Regulating the Transition between Free-Living and Host-Invading Phases in Rhizobiales. |
| PubMed: | Challenges and perspectives in combinatorial assembly of novel exopolysaccharide biosynthesis pathways. |
| PubMed: | Exopolysaccharide production in response to medium acidification is correlated with an increase in competition for nodule occupancy. |
| PubMed: | Theoretical study of temperature influence on the electrophoresis of a pH-regulated polyelectrolyte. |
| PubMed: | Agrobacterium tumefaciens exoR controls acid response genes and impacts exopolysaccharide synthesis, horizontal gene transfer, and virulence gene expression. |
| PubMed: | Intermolecular complexation of low-molecular-weight succinoglycans directs solubility enhancement of pindolol. |
| PubMed: | The Sinorhizobium meliloti EmrR regulator is required for efficient colonization of Medicago sativa root nodules. |
| PubMed: | Biotinylation of the rhizobial cyclic β-glucans and succinoglycans crucial for symbiosis with legumes. |
| PubMed: | Exopolysaccharides from Sinorhizobium meliloti can protect against H2O2-dependent damage. |
| PubMed: | The Sinorhizobium meliloti ntrX gene is involved in succinoglycan production, motility, and symbiotic nodulation on alfalfa. |
| PubMed: | The succinoglycan endoglycanase encoded by exoK is required for efficient symbiosis of Sinorhizobium meliloti 1021 with the host plants Medicago truncatula and Medicago sativa (Alfalfa). |
| PubMed: | Quantitative analysis of the naringenin-inducible proteome in Rhizobium leguminosarum by isobaric tagging and mass spectrometry. |
| PubMed: | Transcriptome analysis of the role of GlnD/GlnBK in nitrogen stress adaptation by Sinorhizobium meliloti Rm1021. |
| PubMed: | Structural analysis of succinoglycan oligosaccharides from Sinorhizobium meliloti strains with different host compatibility phenotypes. |
| PubMed: | Ferrous iron chelating property of low-molecular weight succinoglycans isolated from Sinorhizobium meliloti. |
| PubMed: | Brucella melitensis MucR, an orthologue of Sinorhizobium meliloti MucR, is involved in resistance to oxidative, detergent, and saline stresses and cell envelope modifications. |
| PubMed: | Electrokinetics of pH-regulated zwitterionic polyelectrolyte nanoparticles. |
| PubMed: | Enhanced resistance to nanoparticle toxicity is conferred by overproduction of extracellular polymeric substances. |
| PubMed: | Aggregation by depletion attraction in cultures of bacteria producing exopolysaccharide. |
| PubMed: | Solubilization of haloperidol by acyclic succinoglycan oligosaccharides. |
| PubMed: | Increased production of the exopolysaccharide succinoglycan enhances Sinorhizobium meliloti 1021 symbiosis with the host plant Medicago truncatula. |
| PubMed: | Sinorhizobium meliloti ExoR is the target of periplasmic proteolysis. |
| PubMed: | ExpR is not required for swarming but promotes sliding in Sinorhizobium meliloti. |
| PubMed: | Genomes and virulence factors of novel bacterial pathogens causing bleaching disease in the marine red alga Delisea pulchra. |
| PubMed: | Matrix-assisted laser desorption/ionization time-of-flight mass spectrometric behavior of succinoglycan monomers, dimers, and trimers isolated from Sinorhizobium meliloti 1021. |
| PubMed: | Influence of salinity and natural organic matter on the solid phase extraction of sterols and stanols: application to the determination of the human sterol fingerprint in aqueous matrices. |
| PubMed: | Complex regulation of symbiotic functions is coordinated by MucR and quorum sensing in Sinorhizobium meliloti. |
| PubMed: | Agrobacterium tumefaciens ExoR represses succinoglycan biosynthesis and is required for biofilm formation and motility. |
| PubMed: | Autoregulation of Sinorhizobium meliloti exoR gene expression. |
| PubMed: | EPS II-dependent autoaggregation of Sinorhizobium meliloti planktonic cells. |
| PubMed: | Identification and characterization of the intracellular poly-3-hydroxybutyrate depolymerase enzyme PhaZ of Sinorhizobium meliloti. |
| PubMed: | The Sinorhizobium meliloti RNA chaperone Hfq mediates symbiosis of S. meliloti and alfalfa. |
| PubMed: | Sinorhizobium meliloti 1021 loss-of-function deletion mutation in chvI and its phenotypic characteristics. |
| PubMed: | Gene SMb21071 of plasmid pSymB is required for osmoadaptation of Sinorhizobium meliloti 1021 and is implicated in modifications of cell surface polysaccharides structure in response to hyperosmotic stress. |
| PubMed: | Analysis of the mucR gene regulating biosynthesis of exopolysaccharides: implications for biofilm formation in Sinorhizobium meliloti Rm1021. |
| PubMed: | Production of succinoglycan polymer in Sinorhizobium meliloti is affected by SMb21506 and requires the N-terminal domain of ExoP. |
| PubMed: | Null mutations in Sinorhizobium meliloti exoS and chvI demonstrate the importance of this two-component regulatory system for symbiosis. |
| PubMed: | The low-molecular-weight fraction of exopolysaccharide II from Sinorhizobium meliloti is a crucial determinant of biofilm formation. |
| PubMed: | Identification of direct transcriptional target genes of ExoS/ChvI two-component signaling in Sinorhizobium meliloti. |
| PubMed: | The rkp-1 cluster is required for secretion of Kdo homopolymeric capsular polysaccharide in Sinorhizobium meliloti strain Rm1021. |
| PubMed: | Responses of the model legume Medicago truncatula to the rhizobial exopolysaccharide succinoglycan. |
| PubMed: | The novel genes emmABC are associated with exopolysaccharide production, motility, stress adaptation, and symbiosis in Sinorhizobium meliloti. |
| PubMed: | Chiral separation and discrimination of catechin by sinorhizobial octasaccharides in capillary electrophoresis and (13)C NMR spectroscopy. |
| PubMed: | Synthesis of selenium nanowires morphologically directed by Sinorhizobial oligosaccharides. |
| PubMed: | Low-energy collision-activated dissociation electrospray ionization tandem mass spectrometric analysis of Sinorhizobial succinoglycan monomers. |
| PubMed: | Enantiomeric separation of some flavanones using shinorhizobial linear octasaccharides in CE. |
| PubMed: | Production of insoluble exopolysaccharide of Agrobacterium sp. (ATCC 31749 and IFO 13140). |
| PubMed: | The outer membrane protein TolC from Sinorhizobium meliloti affects protein secretion, polysaccharide biosynthesis, antimicrobial resistance, and symbiosis. |
| PubMed: | Competitive and cooperative effects in quorum-sensing-regulated galactoglucan biosynthesis in Sinorhizobium meliloti. |
| PubMed: | A symbiotic mutant of Sinorhizobium meliloti reveals a novel genetic pathway involving succinoglycan biosynthetic functions. |
| PubMed: | Sinorhizobium meliloti mutants lacking phosphotransferase system enzyme HPr or EIIA are altered in diverse processes, including carbon metabolism, cobalt requirements, and succinoglycan production. |
| PubMed: | Differential response of the plant Medicago truncatula to its symbiont Sinorhizobium meliloti or an exopolysaccharide-deficient mutant. |
| PubMed: | Regulation of motility by the ExpR/Sin quorum-sensing system in Sinorhizobium meliloti. |
| PubMed: | Strain-ecotype specificity in Sinorhizobium meliloti-Medicago truncatula symbiosis is correlated to succinoglycan oligosaccharide structure. |
| PubMed: | Cyclosophorohexadecaose and succinoglycan monomers as catalytic carbohydrates for the Strecker reaction. |
| PubMed: | The ExpR/Sin quorum-sensing system controls succinoglycan production in Sinorhizobium meliloti. |
| PubMed: | ExoR is genetically coupled to the ExoS-ChvI two-component system and located in the periplasm of Sinorhizobium meliloti. |
| PubMed: | The Sinorhizobium meliloti ExoR protein is required for the downregulation of lpsS transcription and succinoglycan biosynthesis in response to divalent cations. |
| PubMed: | Sinorhizobium meliloti SyrA mediates the transcriptional regulation of genes involved in lipopolysaccharide sulfation and exopolysaccharide biosynthesis. |
| PubMed: | Identification of novel Sinorhizobium meliloti mutants compromised for oxidative stress protection and symbiosis. |
| PubMed: | Electrohydrodynamic properties of succinoglycan as probed by fluorescence correlation spectroscopy, potentiometric titration and capillary electrophoresis. |
| PubMed: | Overproduction and increased molecular weight account for the symbiotic activity of the rkpZ-modified K polysaccharide from Sinorhizobium meliloti Rm1021. |
| PubMed: | [A LuxR family regulator, ExpR regulates the expression of motC operon from Sinorhizobium meliloti]. |
| PubMed: | Production of insoluble exopolysaccharide of Agrobacterium sp. (ATCC 31749 and IFO 13140). |
| PubMed: | CbrA is a stationary-phase regulator of cell surface physiology and legume symbiosis in Sinorhizobium meliloti. |
| PubMed: | Sinorhizobium meliloti bluB is necessary for production of 5,6-dimethylbenzimidazole, the lower ligand of B12. |
| PubMed: | Adhesion of polysaccharides to intact cells and protoplasts of Nicotiana tabacum BY-2 and its stimulative effects on protoplast growth. |
| PubMed: | Flocculation of colloidal clay by bacterial polysaccharides: effect of macromolecule charge and structure. |
| PubMed: | The symbiotic defect in a Sinorhizobium meliloti lipopolysaccharide mutant can be overcome by expression of other surface polysaccharides. |
| PubMed: | Heterologous complementation of the exopolysaccharide synthesis and carbon utilization phenotypes of Sinorhizobium meliloti Rm1021 polyhydroxyalkanoate synthesis mutants. |
| PubMed: | Applications of biopolymers and other biotechnological products in building materials. |
| PubMed: | Sinorhizobium meliloti ExoR and ExoS proteins regulate both succinoglycan and flagellum production. |
| PubMed: | The LuxR homolog ExpR, in combination with the Sin quorum sensing system, plays a central role in Sinorhizobium meliloti gene expression. |
| PubMed: | Four promoters subject to regulation by ExoR and PhoB direct transcription of the Sinorhizobium melilotiexoYFQ operon involved in the biosynthesis of succinoglycan. |
| PubMed: | Role of substituents on the properties of some polysaccharides. |
| PubMed: | Global transcriptional analysis of the phosphate starvation response in Sinorhizobium meliloti strains 1021 and 2011. |
| PubMed: | The key Sinorhizobium meliloti succinoglycan biosynthesis gene exoY is expressed from two promoters. |
| PubMed: | Mutations in rpoBC suppress the defects of a Sinorhizobium meliloti relA mutant. |
| PubMed: | Thermally induced conformation change of succinoglycan in aqueous sodium chloride. |
| PubMed: | Extracellular acidic polysaccharide production by a two-membered bacterial coculture. |
| PubMed: | Nitrogen control of bacterial signal production in Rhizobium meliloti-alfalfa symbiosis. |
| PubMed: | Quorum sensing controls exopolysaccharide production in Sinorhizobium meliloti. |
| PubMed: | A LuxR homolog controls production of symbiotically active extracellular polysaccharide II by Sinorhizobium meliloti. |
| PubMed: | Nonperturbing fluorescent labeling of polysaccharides. |
| PubMed: | Regulation of succinoglycan and galactoglucan biosynthesis in Sinorhizobium meliloti. |
| PubMed: | The Sinorhizobium meliloti stringent response affects multiple aspects of symbiosis. |
| PubMed: | MucR and mucS activate exp genes transcription and galactoglucan production in Sinorhizobium meliloti EFB1. |
| PubMed: | Ordered conformation of succinoglycan in aqueous sodium chloride. |
| PubMed: | The molecular weight distribution of succinoglycan produced by Sinorhizobium meliloti is influenced by specific tyrosine phosphorylation and ATPase activity of the cytoplasmic domain of the ExoP protein. |
| PubMed: | Biotin labeling of the symbiotically important succinoglycan oligosaccharides of Rhizobium meliloti for identification of putative plant receptors. |
| PubMed: | Structure of succinoglycan from an infectious strain of Agrobacterium radiobacter. |
| PubMed: | Identification of essential amino acid residues in the Sinorhizobium meliloti glucosyltransferase ExoM. |
| PubMed: | Order-disorder conformational transition in succinoglycan: calorimetric measurements. |
| PubMed: | Alfalfa root nodule invasion efficiency is dependent on Sinorhizobium meliloti polysaccharides. |
| PubMed: | The ++Sinorhizobium meliloti lon protease is involved in regulating exopolysaccharide synthesis and is required for nodulation of alfalfa. |
| PubMed: | MucR is necessary for galactoglucan production in Sinorhizobium meliloti EFB1. |
| PubMed: | Environmental regulation of exopolysaccharide production in Sinorhizobium meliloti. |
| PubMed: | Citrate synthase mutants of Sinorhizobium meliloti are ineffective and have altered cell surface polysaccharides. |
| PubMed: | Structural characterization of the symbiotically important low-molecular-weight succinoglycan of Sinorhizobium meliloti. |
| PubMed: | Succinoglycan production by solid-state fermentation with Agrobacterium tumefaciens. |
| PubMed: | Cyclic organization of the carbohydrate metabolism in Sinorhizobium meliloti. |
| PubMed: | The eff-482 locus of Sinorhizobium meliloti CXM1-105 that influences symbiotic effectiveness consists of three genes encoding an endoglycanase, a transcriptional regulator and an adenylate cyclase. |
| PubMed: | On the interchain associations in aqueous solutions of a succinoglycan polysaccharide. |
| PubMed: | Biosynthesis of the exopolysaccharide galactoglucan in Sinorhizobium meliloti is subject to a complex control by the phosphate-dependent regulator PhoB and the proteins ExpG and MucR. |
| PubMed: | Expression and study of recombinant ExoM, a beta1-4 glucosyltransferase involved in succinoglycan biosynthesis in Sinorhizobium meliloti. |
| PubMed: | Biosynthetic control of molecular weight in the polymerization of the octasaccharide subunits of succinoglycan, a symbiotically important exopolysaccharide of Rhizobium meliloti. |
| PubMed: | A novel screening method for isolating exopolysaccharide-deficient mutants. |
| PubMed: | Succinoglycan is required for initiation and elongation of infection threads during nodulation of alfalfa by Rhizobium meliloti. |
| PubMed: | The succinyl and acetyl modifications of succinoglycan influence susceptibility of succinoglycan to cleavage by the Rhizobium meliloti glycanases ExoK and ExsH. |
| PubMed: | The Rhizobium meliloti ExoK and ExsH glycanases specifically depolymerize nascent succinoglycan chains. |
| PubMed: | The Sinorhizobium meliloti MucR protein, which is essential for the production of high-molecular-weight succinoglycan exopolysaccharide, binds to short DNA regions upstream of exoH and exoY. |
| PubMed: | Specific amino acid substitutions in the proline-rich motif of the Rhizobium meliloti ExoP protein result in enhanced production of low-molecular-weight succinoglycan at the expense of high-molecular-weight succinoglycan. |
| PubMed: | Succinoglycan production by Rhizobium meliloti is regulated through the ExoS-ChvI two-component regulatory system. |
| PubMed: | 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. |
| PubMed: | The regulatory protein MucR binds to a short DNA region located upstream of the mucR coding region in Rhizobium meliloti. |
| PubMed: | Cloning and characterization of four genes of Rhizobium leguminosarum bv. trifolii involved in exopolysaccharide production and nodulation. |
| PubMed: | Effect of o-acyl substituents on the functional behaviour of Rhizobium meliloti succinoglycan. |
| PubMed: | Rhizobium meliloti exopolysaccharides: synthesis and symbiotic function. |
| PubMed: | Low molecular weight EPS II of Rhizobium meliloti allows nodule invasion in Medicago sativa. |
| PubMed: | mucS, a gene involved in activation of galactoglucan (EPS II) synthesis gene expression in Rhizobium meliloti. |
| PubMed: | Linkage of genes essential for synthesis of a polysaccharide capsule in Sphingomonas strain S88. |
| PubMed: | Extension of the Rhizobium meliloti succinoglycan biosynthesis gene cluster: identification of the exsA gene encoding an ABC transporter protein, and the exsB gene which probably codes for a regulator of succinoglycan biosynthesis. |
| PubMed: | Cyclic (1-->2)-beta-D-glucans excreted by the glucuronan-producing strain Rhizobium meliloti M5N1CS (NCIMB 40472) and by the succinoglycan-producing strain Rhizobium meliloti M5N1. |
| PubMed: | NMR studies of succinoglycan repeating-unit octasaccharides from Rhizobium meliloti and Agrobacterium radiobacter. |
| PubMed: | Production and rheological properties of a succinoglycan from Pseudomonas sp. 31260 grown on wood hydrolysates. |
| PubMed: | Low-molecular-weight succinoglycan is predominantly produced by Rhizobium meliloti strains carrying a mutated ExoP protein characterized by a periplasmic N-terminal domain and a missing C-terminal domain. |
| PubMed: | Molecular analysis of the Rhizobium meliloti mucR gene regulating the biosynthesis of the exopolysaccharides succinoglycan and galactoglucan. |
| PubMed: | NMR analysis of succinoglycans from different microbial sources: partial assignment of their 1H and 13C NMR spectra and location of the succinate and the acetate groups. |
| PubMed: | Detailed structural characterization of succinoglycan, the major exopolysaccharide of Rhizobium meliloti Rm1021. |
| PubMed: | Second site mutations specifically suppress the Fix- phenotype of Rhizobium meliloti ndvF mutations on alfalfa: identification of a conditional ndvF-dependent mucoid colony phenotype. |
| PubMed: | Studies on the extracellular polysaccharide from Agrobacterium radiobacter biovar I S-1231. |
| PubMed: | Genes needed for the modification, polymerization, export, and processing of succinoglycan by Rhizobium meliloti: a model for succinoglycan biosynthesis. |
| PubMed: | Family of glycosyl transferases needed for the synthesis of succinoglycan by Rhizobium meliloti. |
| PubMed: | Biosynthesis of succinoglycan, a symbiotically important exopolysaccharide of Rhizobium meliloti. |
| PubMed: | The acetyl substituent of succinoglycan is not necessary for alfalfa nodule invasion by Rhizobium meliloti Rm1021. |
| PubMed: | Specific oligosaccharide form of the Rhizobium meliloti exopolysaccharide promotes nodule invasion in alfalfa. |
| PubMed: | Exopolysaccharides from Rhizobium meliloti YE-2 grown under different osmolarity conditions: viscoelastic properties. |
| PubMed: | Rhizobium meliloti exopolysaccharides. Structures, genetic analyses, and symbiotic roles. |
| PubMed: | Induction of the second exopolysaccharide (EPSb) in Rhizobium meliloti SU47 by low phosphate concentrations. |
| PubMed: | Rhizobium meliloti exopolysaccharides: genetic analyses and symbiotic importance. |
| PubMed: | ndvF, a novel locus located on megaplasmid pRmeSU47b (pEXO) of Rhizobium meliloti, is required for normal nodule development. |
| PubMed: | Rhizobium meliloti exoG and exoJ mutations affect the exoX-exoY system for modulation of exopolysaccharide production. |
| PubMed: | The exoR gene of Rhizobium meliloti affects RNA levels of other exo genes but lacks homology to known transcriptional regulators. |
| PubMed: | Heterologous exopolysaccharide production in Rhizobium sp. strain NGR234 and consequences for nodule development. |
| PubMed: | Effect of the concentration of sodium chloride in the medium on the relative proportions of poly- and oligo-saccharides excreted by Rhizobium meliloti strain YE-2SL. |
| PubMed: | Two genes that regulate exopolysaccharide production in Rhizobium meliloti. |
| PubMed: | Rheological behaviour of a succinoglycan polysaccharide in dilute and semi-dilute solutions. |
| PubMed: | Conformational transition and polyelectrolyte behaviour of a succinoglycan polysaccharide. |
| PubMed: | Genetic analyses of Rhizobium meliloti exopolysaccharides. |
| PubMed: | Influence of charged groups on the conformational stability of succinoglycan in dilute aqueous solution. |
| PubMed: | Binding-protein-dependent sugar transport by Agrobacterium radiobacter and A. tumefaciens grown in continuous culture. |
| PubMed: | A second exopolysaccharide of Rhizobium meliloti strain SU47 that can function in root nodule invasion. |
| PubMed: | Two chromosomal loci involved in production of exopolysaccharide in Agrobacterium tumefaciens. |
| PubMed: | Characterization of polysaccharides of Rhizobium meliloti exo mutants that form ineffective nodules. |
| PubMed: | Common loci for Agrobacterium tumefaciens and Rhizobium meliloti exopolysaccharide synthesis and their roles in plant interactions. |
| PubMed: | Special bacterial polysaccharides and polysaccharases. |
| PubMed: | Compositional studies on succinoglycan-like extracellular water-soluble Rhizobium polysaccharides. |