Document Detail

Characterization of the O-antigen in the lipopolysaccharide of Cronobacter (Enterobacter) malonaticus 3267.
MedLine Citation:
PMID:  19935878     Owner:  NLM     Status:  In-Process    
Cronobacter malonaticus, a Gram-negative bacterium previously known as Enterobacter sakazakii, is an opportunistic pathogen known to cause serious infection in infants and neonates. To provide aid for the serological and chemical identification of clinical, environmental, or food isolates of this emerging pathogen, the characterization of the lipopolysaccharide (LPS) O-polysaccharide (O-PS) antigens of Cronobacter spp. is being undertaken. The structural analysis of the O-PS, obtained by hydrazinolysis of the lipopolysaccharide produced by Cronobacter malonaticus HPB 3267, was investigated by composition, methylation, and two-dimensional high-resolution nuclear magnetic resonance methods, and was found to be a polymer of a branched pentasaccharide unit. This unit is composed of D-glucose (D-Glc), D-galactose (D-Gal), 2-amino-2-deoxy-D-glucose (D-GlcN), 2-amino-2-deoxy-D-galactose (D-GalN) and 3-deoxy-D-manno-oct-2-ulosonic acid (Kdo) residues (1: 1: 1: 1: 1), forms the repeating oligosaccharide in the O-PS antigen, and has the structure: [structure: see text].
Leann L MacLean; Evgeny Vinogradov; Franco Pagotto; Jeffrey M Farber; Malcolm B Perry
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Biochemistry and cell biology = Biochimie et biologie cellulaire     Volume:  87     ISSN:  1208-6002     ISO Abbreviation:  Biochem. Cell Biol.     Publication Date:  2009 Dec 
Date Detail:
Created Date:  2009-11-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8606068     Medline TA:  Biochem Cell Biol     Country:  Canada    
Other Details:
Languages:  eng     Pagination:  927-32     Citation Subset:  IM    
Institute for Biological Sciences, National Research Council, 100 Sussex Dr., Ottawa, ON K1A 0R6, Canada.
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