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Analysis of phospholipids and ornithine-containing lipids from Mesorhizobium spp.
Polar lipid compositions of seven strains belonging to the four species of the Mesorhizobium genus were described and 3-hydroxylactobacillic was the main acyl residue amide linked to the ornithine.
Structural and Immunochemical Studies of the Lipopolysaccharide from the Fish Pathogen, Aeromonas bestiarum Strain K296, Serotype O18
1D and 2D NMR spectroscopy revealed that the O-specific polysaccharide (OPS) of A. bestiarum K296 consists of a branched tetrasaccharide repeating unit containing two 6-deoxy-l-talose (6dTalp), one Manp and one GalpNAc residues; thus, it is similar to that of the OPS in both the sugar composition and the glycosylation pattern.
Chemical characterization of a water insoluble (1→3)-α-D-glucan from an alkaline extract of Aspergillus wentii.
The chemical structure of a water insoluble α-glucan isolated from the cell wall of Aspergillus wentii was described on the basis of total acid hydrolysis, methylation analysis, and 1D and 2D NMR studies as well as other instrumental techniques.
Sinorhizobium meliloti 1021 Exopolysaccharide as a Flocculant Improving Chromium(III) Oxide Removal from Aqueous Solutions
It was showed that EPS causes chromium(III) oxide suspension destabilization in the whole examined pH range, and it is probable that under these conditions bridging flocculation occurs in the examined system.
Isolation and characterization of periplasmic cyclic beta-glucans of Azorhizobium caulinodans.
Oligoglucose molecules isolated from Azorhizobium caulinodans were characterized by compositional analysis, Smith degradation, matrix-assisted laser desorption/ionization time of flight mass
Characterization of Cellobiose Dehydrogenase from a Biotechnologically Important Cerrena unicolor Strain
Cellobiose dehydrogenase (CDH), a secreted flavocytochrome produced by a number of wood-degrading fungi, was detected in the culture supernatant of a biotechnologically important strain of Cerrena
Silver Nanoparticles on Chitosan/Silica Nanofibers: Characterization and Antibacterial Activity
A simple, low-cost, and reproducible method for creating materials with even silver nanoparticles (AgNP) dispersion was established and the antibacterial activity of investigated materials was tested using Gram-positive and Gram-negative bacteria.
The structure of a novel neutral lipid A from the lipopolysaccharide of Bradyrhizobium elkanii containing three mannose units in the backbone.
The chemical structure of the lipid A of the lipopolysaccharide (LPS) from Bradyrhizobium elkanii USDA 76 (a member of the group of slow-growing rhizobia) has been established and it was shown that one of the acyloxyacyl residues could be further acylated by 3-hydroxybutyric acid (linked to the (omega-1)-hydroxy group).
Occurrence of an Unusual Hopanoid-containing Lipid A Among Lipopolysaccharides from Bradyrhizobium Species*
Hopanoid carboxyl shows strong correlation with the proton geminal to the hydroxy group of ester-linked long chain fatty acid in bradyrhizobial lipid A.
Characterization of cellobiose dehydrogenase and its FAD-domain from the ligninolytic basidiomycete Pycnoporus sanguineus.
In this work, the cellobiose dehydrogenase gene cdh1 and its corresponding cDNA from fungus P. sanguineus were isolated, cloned, and characterized and both active fractions were characterized in terms of kinetics, temperature and pH optima, and antioxidant properties.