Wall preparations from and contained no teichoic acids but phosphate-free polysaccharides were present and were extractable with trichloroacetic acid at 35 °C. The substance from contained rhamnose, glucuronic acid, galactose, mannose and pyruvic acid (molecular proportions 1:2:1:0·33:0·35) and that from contained glucuronic acid, rhamnose, fucose and mannose (molecular proportions 1:2:0·5: 0·3). In the former polymer, pyruvic acid appeared to be linked to galactose which was in turn linked to rhamnose. The residual peptidoglycans of these species contained much phosphorus. Some of this was present as muramic acid phosphate.


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