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  • Title: [Adhesive properties of Pragia fontium lipopolysaccharides].
    Author: Shubchyns'kyĭ VV, Varbanets' LD.
    Journal: Mikrobiol Z; 2009; 71(2):27-34. PubMed ID: 19938591.
    Abstract:
    Effect of lipopolysaccharides (LPS) and their structure components (lipid A, oligosaccharide core, and O-specific polysaccharides) from 8 strains of P. fontium on the adhesion process have been investigated for the first time. It was demonstrated, that LPS and their structural components may compete with E. coli adhesins and phytohemagglutinin under binding with receptors on the surface of the rabbit erythrocytes. An analysis of different structural components influence indicated, that in comparison with O-specific polysaccharides and core oligosaccharide lipids A of all investigated strains of P. fontium displayed the highest inhibitory action on the adhesion process. It was shown that there existed certain dependence between LPS composition and their effects on the adhesion process. LPS, obtained from P. fontium strains grown at different temperatures (36, 25, 4 degrees C) and characterized by various quantitative and qualitative monosaccharide and fatty acid composition, demonstrated different adhesion properties.
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