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Structure of an acidic glycan from the reference strain for Serratia marcescens serogroup 022

✍ Scribed by David Oxley; Stephen G. Wilkinson

Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 738 KB
Volume: 231
Category: Article
ISSN: 0008-6215
DOI: 10.1016/0008-6215(92)84022-k

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✦ Synopsis

In addition to a neutral glycan, lipopolysaccharide extracts from the reference strain for Serratia marcescens serogroup O22 contain an acidic polymer which probably defines the serogroup and is of microcapsular origin. The polymer is doubly branched with a heptasaccharide repeating unit and a galactan backbone. By means of spectroscopic and degradative studies, the structure of the repeating unit was established as that shown. [formula: see text]

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