Characterization of the antigenic lipopolysaccharide O chain and the capsular polysaccharide produced by Actinobacillus pleuropneumoniae serotype 13

Infection and Immunity
Leann L MacLeanEvguenii Vinogradov

Abstract

Serotyping of Actinobacillus pleuropneumoniae, the etiologic agent of porcine pleuropneumonia, is important for epidemiological studies and for the development of homologous vaccine cell preparations. The serology is based on the specific chemical structures of capsular polysaccharides (CPSs) and lipopolysaccharide (LPS) antigenic O-polysaccharide moieties (O-PSs), and knowledge of these structures is required for a molecular-level understanding of their serological specificities. The structures of A. pleuropneumoniae serotype 1 to 12 CPSs and O-PSs have been elucidated; however, the structures associated with three newly proposed serotypes (serotypes 13, 14, and 15) have not been reported. Herein we described the structures of the antigenic O-PS and CPS of A. pleuropneumoniae serotype 13. The O-PS of the A. pleuropneumoniae serotype 13 LPS is a polymer of branched tetrasaccharide repeating units composed of l-rhamnose, 2-acetamido-2-deoxy-d-galactose, and d-galactose residues (1:1:2). By use of hydrolysis, methylation, and periodate oxidation chemical methods together with the application of one- and two-dimensional 1H and 13C nuclear magnetic resonance spectroscopy and mass spectrometry, the structures of the O chain and CPS ...Continue Reading

References

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Feb 24, 1999·Australian Veterinary Journal·P J BlackallB N Smith
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Mar 12, 2004·Carbohydrate Research·Evgeny VinogradovMalcolm B Perry

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Citations

Aug 31, 2010·Journal of Bacteriology·Zhuofei XuRui Zhou
Dec 17, 2014·The Journal of Veterinary Medical Science·Hiroya Ito, Masuo Sueyoshi
Sep 13, 2011·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·Jaime MaldonadoJesús Navas

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