A TYPE-SPECIFIC PROTEIN FROM PNEUMOCOCCUS

The isolation and characterization of a type-specific M protein from pneumococcus are described. This protein is similar chemically in all respects studied to the M proteins of group A streptococci. No immunological crossreactions have been observed, however, between M proteins of the two species. S...

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Detalles Bibliográficos
Autores principales: Austrian, Robert, MacLeod, Colin M.
Formato: Texto
Lenguaje:English
Publicado: The Rockefeller University Press 1949
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2135873/
https://www.ncbi.nlm.nih.gov/pubmed/18113916
Descripción
Sumario:The isolation and characterization of a type-specific M protein from pneumococcus are described. This protein is similar chemically in all respects studied to the M proteins of group A streptococci. No immunological crossreactions have been observed, however, between M proteins of the two species. Strains of capsular type I pneumococcus have been encountered which contain different M proteins. The same is true for capsular type II pneumococcus. It is apparent, therefore, that the capsular polysaccharides and M proteins can vary independently of each other.

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