SUMMARY: The distribution of teichoic acids and extractable polysaccharides in the walls of the various micrococci examined did not show a direct correlation with the conventional systematic classification of these organisms. Three main groups were distinguished: in one group (A) ribitol teichoic acids containing glucosamine were found; in a second group (B) glycerol teichoic acids with a variety of sugar substituents were found; in a third group (C) wall teichoic acids were absent but polysaccharides were extracted from the walls. The third group (C) represents the species , and the lack of order in the structure of the extractable polysaccharides supports previous criticism of the validity of this species.


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