منابع مشابه
Hemolytic Streptococcal Cell Walls
INTRODUCTION.................................................................................. 369 STREPTOCOCCAL STRUCTURE................................................................. 369 ISOLATION AND IMMUNOCHEMICAL CHARACTERISTICS OF GROUP CARBOHYDRATES ..... ............ 370 Alethods for Extraction of the Carbohydrates from Cell Walls.................................... 371 Group-Specifi...
متن کاملGlycans from Streptococcal Cell Walls
The cell wall of Streptococcus faecalis, strain N, has been found to contain two antigenic glycans, a diheteroglycan of glucose and galactose and a tetraheteroglycan of rhamnose, glucose, galactose, and N-acetylgalactosamine. The present report describes the isolation, purification, and structural and immunochemical characterization of the hitherto unknown diheteroglycan. A tentative structure ...
متن کاملStudies of streptococcal cell walls. V. Amino acid composition of cell walls of virulent and avirlent group A hemolytic streptococci.
Investigations of the cellular components concerned with the antigenicity and virulence of group A streptococci indicate that the typespecific M protein is the antigen most consistently associated with virulence (Lancefield, 1940). The ability of these organisms to resist phagocytosis is, perhaps, the most important factor in conferring virulence. Wiley and Wilson (1956) have made an extensive ...
متن کاملBiosynthesis of streptococcal cell walls: N-acetyl-D-muramic acid.
Glucose-1-(14)C and acetylglucosamine-1-(14)C were added singly and together with equal amounts of the unlabeled reciprocal to Brain Heart Infusion and used for the culture of Streptococcus pyogenes. The labeling pattern of the rhamnose, glucosamine, and muramic acid in the cell wall supported an intermediary role for acetylglucosamine in providing the C1-C6 moiety of muramic acid. Although rad...
متن کاملStructure of Streptococcal Cell Walls. 3. Characterization of an Alanine-containing Glucosaminylmuramic Acid Derivative Liberated by Lysozyme from Streptococcal Glycopeptide.
A glycopeptide (also called mucopeptide) fraction of bacterial cell walls, believed to be associated with shape and structural stability of microorganisms, may, in the case of Group A streptococci, be isolated with relative ease as the formamide-insoluble residue of protease-treated cell walls (1). Analyses and certain susceptibilities to enzymic lysis of this fraction have been reported (1, 2)...
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ژورنال
عنوان ژورنال: Journal of Bacteriology
سال: 1959
ISSN: 0021-9193,1098-5530
DOI: 10.1128/jb.78.1.79-81.1959