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Structural studies of the extracellular polysaccharide from Butyrivibrio fibrisolvens strain X6C61

✍ Scribed by Mats Anderson; Sanjaya Ratnayake; Lennart Kenne; Linda Ericsson; Robert J. Stack

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 726 KB
Volume: 246
Category: Article
ISSN: 0008-6215
DOI: 10.1016/0008-6215(93)84041-4

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✦ Synopsis

ABSTRACf'

The capsular polysaccharide from Butytivibrio jibrisolvens strain X6C61 has been investigated using NMR spectroscopy, mass spectrometry, methylation analysis, and partial acid hydrolysis as the main methods. The polysaccharide is composed of hexasaccharide repeating units having the following structure. + 4)-8-o.GlcpA-(1 + 4)-6-O-[(R)_l-carboxyethylla-o-Galp-<l + 4%~~-Galp_(l -+ 4)-8-o-Glc~-(l~ 4&m-L-IdopA-0 * 3 2 t 1 u+Rhap

The polysaccharide also contains O-acetyl groups, of which _ 70% are substituted to O-3 of the /3-D-GlcpA residue.

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