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  • Title: Analysis of streptococcal cell wall fractions by Curie-point pyrolysis gas-liquid chromatography.
    Author: Huis in't Veld JH, Meuzelaar HL, Tom A.
    Journal: Appl Microbiol; 1973 Jul; 26(1):92-7. PubMed ID: 4726834.
    Abstract:
    A streptococcal strain, classified as Z(3)III was differentiated from its mutant strain, Z(3), lacking the type III polysaccharide antigen, by Curie-point pyrolysis gas-liquid chromatography. Differences observed in pyrograms of whole cells or cell envelopes of both strains could be directly related to the pyrolysis pattern of the purified type III antigen. The same results were obtained when streptococcus F III and its mutant were analyzed. Whereas the pyrolysis patterns of the type III antigen extracted from Z(3)III and F III bacteria were identical, marked differences were found in pyrograms of the serologically identical type III antigen isolated from the culture medium. Type III antigen was also easily differentiated from the purified type I, II and IV antigens. From the above findings it was concluded that pyrolysis gas-liquid chromatography can be used as a tool for the quality control and identification of streptococcal cell wall components.
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