期刊
CARBOHYDRATE RESEARCH
卷 337, 期 9, 页码 813-817出版社
ELSEVIER SCI LTD
DOI: 10.1016/S0008-6215(02)00056-3
关键词
lipopolysaccharide; O-antigen; bacterial polysaccharide; Vibrio cholerae diarrhea
The O-polysaccharide from Vibrio cholerae O6 was isolated from the LPS by mild-acid hydrolysis and has been investigated by sugar and methylation analysis and NMR spectroscopy. The polysaccharide was also depolymerized with aqueous hydrofluoric acid to give the repeating unit and multiples thereof. The O-polysaccharide had the following tetrasaccharide repeating unit. Two O-acetyl groups are present, one of them making the GlcNAc residue fully substituted and the steric crowding considerable at the branching residue. [GRAPHICS] (C) 2002 Elsevier Science Ltd. All rights reserved.
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