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2008 | 56 | 2 | 135-140
Article title

Application of two different kinds of sera against the Proteus penneri lipopolysaccharide core region in search of epitopes determining cross-reactions with antibodies

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Languages of publication
EN
Abstracts
EN
Introduction: Proteus penneri lipopolysaccharide (LPS) core regions are characterized by a greater structural variability than that observed in other Enterobacteriaceae. This fact and the small amount of published data concerning the serological activity of this part of P. penneri LPS prompted an examination of which fragment might determine cross-reactions with antibodies. To date, such epitopes have been found in the LPS core regions of P. mirabilis and P. vulgaris strains. Materials and Methods: Proteus sp. LPSs were tested with unabsorbed rabbit antisera by enzyme-linked immunosorbent assay (ELISA), sodium dodecyl sulfate polyacrylamide gel electrophoresis and Western blot, and once again by ELISA or passive immunohemolysis after the absorption of these antisera with selected LPSs. Results: The serological studies of P. penneri 8 LPS demonstrated antibodies in the tested antisera recognizing a common epitope located in the core regions of six of the LPSs, i.e. P. penneri 8, 34, 133, 7, 14, and 15. Additionally, another type of antibody directed against some fragment of P. penneri 13 and the core regions of other LPSs investigated was observed in one antiserum. Conclusions: A distal, trisaccharide fragment of the P. penneri 8 LPS core region is suggested to determine the cross-reactions of the tested antisera with the six P. penneri LPSs.
Publisher

Year
Volume
56
Issue
2
Pages
135-140
Physical description
Contributors
References
Document Type
ARTICLE
Publication order reference
Agata Palusiak, Department of General Microbiology, Institute of Microbiology and Immunology, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland
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YADDA identifier
bwmeta1.element.element-from-psjc-a3219151-9f16-3a7d-b5fb-0524b19d6ff7
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