Polysaccharide X.

Physicochemical properties of Neisseria meningitidis group X polysaccharide antigen.

Neisseria meningitidis group X occurs in human carrier populations and is rarely implicated in serious disease. This organism possesses a capsular group antigen which is an acidic polysaccharide. It is composed of the amino sugars, glucosamine, glucosamine-6-phosphate, galactosamine, and the simple hexose, glucose. The group X capsular antigen has an S(20,w) (0) of 3.6, and the acidic nature of...

Polysaccharide Biosynthesis

Polysaccharide synthesis is discussed from the point of view of the sources of biological information that determine the structures and control the rates of synthesis of complex polysaccharides. It is concluded that three types of information contribute in important and different ways, namely enzyme specificity, primer substances, and the structure of the cytoplasmic membrane. Each of these fac...

Polysaccharide Nanostructures

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Conjugate and Polysaccharide Vaccines Conjugate and Polysaccharide Vaccines, Plenary Review Meningococcal polysaccharide-protein conjugate vaccines

Synthesis and immunological evaluation of protein conjugates of Neisseria meningitidis X capsular polysaccharide fragments

A vaccine to prevent infections from the emerging Neisseria meningitidis X (MenX) is becoming an urgent issue. Recently MenX capsular polysaccharide (CPS) fragments conjugated to CRM197 as carrier protein have been confirmed at preclinical stage as promising candidates for vaccine development. However, more insights about the minimal epitope required for the immunological activity of MenX CPS a...