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IJC-B Vol.48B [2009] >
IJC-B Vol.48B(05) [May 2009] >


Title: Structural characterization of the O-antigenic polysaccharide from the lipopolysaccharide of Vibrio cholerae O37
Authors: Ganguly, Jhuma
Choudhury, Biswa P
Nair, G Balakrish
Sen, Asish K
Keywords: Lipopolysaccharide
O-antigen
polysaccharide
cholera
Vibrio cholerae O37
Issue Date: May-2009
Publisher: CSIR
Abstract:  The chemical structure of the O-antigenic polysaccharide isolated from the lipopolysaccharide of Vibrio cholerae O37 by mild acid hydrolysis was elucidated. The O-antigenic polysac­charide is found to consist of D-glucose, N-acetyl-D-Quinovos­amine and small amount of 4-O-methyl-N-acetyl-D-quinovas­amine. The structure of the O-antigen is established by using sugar and methylation analyses, Smith degradation studies and by using GLC, GC-MS, FAB-MS, one dimensional 1H and 13C NMR spectroscopy and two dimensional NMR spectroscopy including COSY, TOCSY, HSQC, experiments.
Page(s): 729-734
ISSN: 0376-4699
Source:IJC-B Vol.48B(05) [May 2009]

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