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. 1995 Feb;177(3):835–838. doi: 10.1128/jb.177.3.835-838.1995

Preliminary structure determination of the capsular polysaccharide of Vibrio cholerae O139 Bengal Al1837.

L M Preston 1, Q Xu 1, J A Johnson 1, A Joseph 1, D R Maneval Jr 1, K Husain 1, G P Reddy 1, C A Bush 1, J G Morris Jr 1
PMCID: PMC176667  PMID: 7836323

Abstract

Vibrio cholerae O139 Bengal has recently been identified as a cause of epidemic cholera in Asia. In contrast to V. cholerae O1, V. cholerae O139 Bengal has a polysaccharide capsule. As determined by high-performance anion-exchange chromatography and 1H nuclear magnetic resonance analysis, the capsular polysaccharide of V. cholerae O139 Bengal strain Al1837 has six residues in the repeating subunit; this includes one residue each of N-acetylglucosamine, N-acetylquinovosamine (QuiNAc), galacturonic acid (GalA), and galactose and two residues of 3,6-dideoxyxylohexose (Xylhex). The proposed structure is [formula: see text]

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Selected References

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