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1. (Article ID: 1588)
 
Zych K, Perepelov AV, Baranowska A, Zablotni A, Shashkov AS, Knirel YA, Sidorczyk Z
Structure of the O-polysaccharide and serological studies of the lipopolysaccharide of Proteus penneri 60 classified into a new Proteus serogroup O70
FEMS Immunology and Medical Microbiology 43(3) (2005) 351-356
 

An alkali-treated lipopolysaccharide of Proteus penneri strain 60 was studied by chemical analyses and 1H, 13C and 31P NMR spectroscopy, and the following structure of the linear pentasaccharide-phosphate repeating unit of the O-polysaccharide was established: 6)-α-D-Galp-(1→3)-α-L-FucpNAc-(1→3)-α-D-GlcpNAc-(1→3)-β-D-Quip4NAc-(1→6)-α-D-Glcp-1-P-(O→ Rabbit polyclonal O-antiserum against P. penneri 60 reacted with both core and O-polysaccharide moieties of the homologous LPS. Based on the unique O-polysaccharide structure and serological data, we propose to classify P. penneri 60 into a new, separate Proteus serogroup O70. A weak cross-reactivity of P. penneri 60 O-antiserum with the lipopolysaccharide of Proteus vulgaris O8, O15 and O19 was observed and discussed in view of the chemical structures of the O-polysaccharides.

Lipopolysaccharide, structure, polysaccharide, O-polysaccharide, O polysaccharide, O-specific, O-specific polysaccharide, Proteus, serological, serogroup, Proteus penneri

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