Haemagglutinins of Helicobacter pylori and Adherence to HEp-2 Cells
Adherence to surface receptors is an essential step in pathogenesis for many bacteria. Attachment is mediated by adhesions or ligands which may be soluble or cell-associated, and which can be demonstrated by haemagglutination of various species of erythrocyte. Mannose-resistant haemagglutination by H. pylori has been described by Evans et al.  and others [2, 4]. However, these reports disagree on the properties of the haemagglutinins. Furthermore, different workers have used different methods of testing for HA; Evans et al. used slide haemagglutination , but Huang et al. used a micro-titre method . It is probable that some of these differences are explained by the presence of different adhesins so that more than one type of receptor is involved.
KeywordsSaccharide Pseudomonas Oligo Saccharide Phosphatidylethanolamine Galactopyranosyl
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