Carbohydrate Research p. 81 - 88 (1985)
Update date:2022-09-26
Topics:
Bridgen, Christopher J.
Wilkinson, Stephen G.
A neutral polymer of glucose, galactose, and 2-acetamido-2-deoxyglucose (molar ratios 1:1:2) has been isolated from the lypopolysaccharide of Serratia marcescens strain C.D.C. 1783-57 (O14:H9).Degradative and spectroscopic studies established that the polysaccharide has a branched tetrasaccharide repeating-unit of the structure shown.The polymer was absent from other strains of serogroup O14 studied, but a polymer differing only in the configuration of the glucose residue has previously been isolated from a strain of S. marcescens O8.The polymer from strain C.D.C. 1783-57 also shares structural features with the Escherichia coli O18 antigen, which is known to be serologically related to the S. marcescens O8 antigen.
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