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Structure of the O-specific polysaccharide from Bukholderia pickettii strain NCTC 11149

✍ Scribed by Lesley Galbraith; Ruth George; Jürgen Wyklicky; Stephen G. Wilkinson

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
537 KB
Volume
282
Category
Article
ISSN
0008-6215

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✦ Synopsis

A polymeric fraction (the putative O antigen) has been isolated from the lipopolysaccharide of the type strain of Burkholderia pickettii. The components of the polymer and their molar proportions were: L-rhamnose (3), 2-acetamido-2-deoxy-D-glucose (1), and O-acetyl (1). By means of NMR studies and chemical degradations, the basic repeating-unit of the polymer was identified as a linear tetrasaccharide of the structure shown. The O-acetyl group is probably located at position 2 of the 3-substituted alpha-L-Rha p. Similar polymers constitute O antigens in the related species Burkholderia solanacearum.

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