نتایج جستجو برای: total polysaccharide
تعداد نتایج: 820590 فیلتر نتایج به سال:
The survival of Nocardia corallina and the degradation of constituents were examined during periods of starvation. Organisms were harvested at the end of the growth phase and were starved, after resuspending in phosphate buffer containing Mg2+, with vigorous aeration at 30 "C. Viability fell gradually to 50 % over a period of 480 h. After 48 h of starvation the dry weight of the organisms was r...
The cyanobacterial strain Phormidium tenue was subjected to different stress conditions like culture aging, phosphate and nitrate depleted condition, excess nitrate (10mM) and salinity (0.9M NaCl). Excess nitrate and salinity used were just the double amount, required for normal concentration. Growth was monitored by Chlorophyll content and total protein level in relation to polysaccharide prod...
Microbial hydrolysis of polysaccharides is critical to ecosystem functioning and is of great interest in diverse biotechnological applications, such as biofuel production and bioremediation. Here we demonstrate the use of a new, efficient approach to recover genomes of active polysaccharide degraders from natural, complex microbial assemblages, using a combination of fluorescently labeled subst...
An enzyme-linked immunosorbent assay (ELISA) and the antibody concentrations assigned to different pneumococcal capsular polysaccharide types were used to estimate concentrations of antibody to additional pneumococcal types in reference serum 89SF and to confirm assigned antibody values. This was possible because the slopes of curves of antibody binding to all polysaccharide types evaluated (1,...
Background: Diagnosing the etiologic causes for septic arthritis is very important. The main goal of study was to determine the group A streptococcal polysaccharide antigens in synovial fluid of patients with arthritis. Methods: A cross sectional study was performed upon 52 cases with acute mono arthritis in Hazrat-e-Rasool hospital in Tehran Iran (2010-2012). Techniques used were: Gr...
Acinetobacter calcoaceticus BD4 and BD413 produce extracellular emulsifying agents when grown on 2% ethanol medium. For emulsifying activity, both polysaccharide and protein fractions were required, as demonstrated by selective digestion of the polysaccharide with a specific bacteriophage-borne polysaccharide depolymerase, deproteinization of the extracellular emulsifying complex with hot pheno...
The pneumococcal serotype 14 polysaccharide was produced in Lactococcus lactis by coexpressing pneumococcal polysaccharide type 14-specific genes (cpsFGHIJKL(14)) with the lactococcal regulatory and priming glucosyltransferase-encoding genes specific for B40 polysaccharide (epsABCD(B40)). The polysaccharide produced by Lactococcus was secreted in the medium, simplifying downstream processing an...
The ability of pea protein isolates (PPI) to form complex coacervates with tragacanth gum was investigated. coacervate formation structurally compared three other PPI-polysaccharide interaction models: arabic and sodium alginate (known PPI) tara gum, a galactomannan. effects the pH protein/polysaccharide ratio were mainly investigated using turbidity zeta potential measurements. Regarding solub...
streptococcus iniae is a major cause of serious bacterial infections in both fish and human beings. capsular polysaccharide (cps) of s. iniae is vital to evade phagocytic clearance of the host and serves as an important protective antigen of s. iniae infection in aquatic animals. the cpsdgene was determined to be highly conservative in capsule polysaccharide operon. prokaryotic expression of th...
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