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Structural studies of an acidic galactomannan from the reference strain for Serratia marcescens serogroup O4

✍ Scribed by David Oxley; Stephen G. Wilkinson

Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
465 KB
Volume
179
Category
Article
ISSN
0008-6215

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✦ Synopsis

An acidic, partially acetylated galactomannan has been isolated from the lipopolysaccharide of the reference strain (C.D.C. 864-57) for Serratia marcescens serogroup O4. From the results of methylation analysis, Smith degradations, and n.m.r. spectroscopic studies of the O-deacetylated polymer, it was concluded that the repeating unit has the structure shown, in which the acetal-linked pyruvic acid has the R configuration. The polymer is believed to confer O specificity on the organism, but not to constitute the side chain of the lipopolysaccharide. (formula; see text).

πŸ“œ SIMILAR VOLUMES

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Structural studies of an acidic galactorhamnan from the O2 reference strain (C.D.C. 868-57) of serratia marcescens
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A partially acetylated acidic galactorhamnan has been isolated from the lipopolysaccharide of the 02 reference strain (C.D.C. 868-57) of Serratia marcescens. By means of n.m.r. spectroscopy and methylation analysis of the polymer and the products of Smith degradations, the repeating unit of the poly