《英文msh词典》O Specific Polysaccharides
[入口词] O Specific Polysaccharides
[主题词] O Antigens
[英文释义] The lipopolysaccharide-protein somatic antigens,usually from gram-negative bacteria,important in the serological classification of enteric bacilli. The O-specific chains determine the specificity of the O antigens of a given serotype. O antigens are the immunodominant part of the lipopolysaccharide molecule in the intact bacterial cell. (From Singleton & Sainsbury,Dictionary of Microbiology and Molecular Biology,2d ed)