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

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 c...

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Veröffentlicht in:	Carbohydrate research 1996-03, Vol.282 (2), p.263-269
Hauptverfasser:	Galbraith, L, George, R, Wyklicky, J, Wilkinson, S G
Format:	Artikel
Sprache:	eng
Schlagworte:	Acetylglucosamine - analysis Burkholderia - metabolism Carbohydrate Sequence Lipopolysaccharides - chemistry Lipopolysaccharides - isolation & purification Magnetic Resonance Spectroscopy Methylation Molecular Sequence Data O Antigens - chemistry Oligosaccharides - chemistry Repetitive Sequences, Nucleic Acid Rhamnose - analysis
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Zusammenfassung:	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.
ISSN:	0008-6215
DOI:	10.1016/0008-6215(95)00387-8