Document Detail


Structural properties of lipopolysaccharides from Rickettsia typhi and Rickettsia prowazekii and their chemical similarity to the lipopolysaccharide from Proteus vulgaris OX19 used in the Weil-Felix test.
MedLine Citation:
PMID:  9488376     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The lipopolysaccharides (LPSs) isolated from typhus group (TG) rickettsiae Rickettsia typhi and Rickettsia prowazekii were characterized by chemical analysis and sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) followed by silver staining. LPSs from two species of TG rickettsiae contained glucose, 3-deoxy-D-manno-octulosonic acid, glucosamine, quinovosamine, phosphate, and fatty acids (beta-hydroxylmyristic acid and heneicosanoic acid) but not heptose. The O-polysaccharides of these LPSs were composed of glucose, glucosamine, quinovosamine, and phosphorylated hexosamine. Resolution of these LPSs by their apparent molecular masses by SDS-PAGE showed that they have a common ladder-like pattern. Based on the results of chemical composition and SDS-PAGE pattern, we suggest that these LPSs act as group-specific antigens. Furthermore, glucosamine, quinovosamine, and phosphorylated hexosamine were also found in the O-polysaccharide of the LPS from Proteus vulgaris OX19 used in the Weil-Felix test, suggesting that they may represent the antigens common to LPSs from TG rickettsiae and P. vulgaris OX19.
Authors:
K I Amano; J C Williams; G A Dasch
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Infection and immunity     Volume:  66     ISSN:  0019-9567     ISO Abbreviation:  Infect. Immun.     Publication Date:  1998 Mar 
Date Detail:
Created Date:  1998-03-12     Completed Date:  1998-03-12     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  0246127     Medline TA:  Infect Immun     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  923-6     Citation Subset:  IM    
Affiliation:
Airborne Diseases Division, U.S. Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, Maryland 21701-5011, USA. amanocrl@med.akita-u.ac.jp
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MeSH Terms
Descriptor/Qualifier:
Antigens, Bacterial / immunology*
Electrophoresis, Polyacrylamide Gel
Epitopes
Humans
Lipopolysaccharides / chemistry*,  immunology,  isolation & purification
Proteus vulgaris / chemistry*,  immunology
Rickettsia Infections / diagnosis*
Rickettsia prowazekii / chemistry*,  immunology
Rickettsia typhi / chemistry*,  immunology
Chemical
Reg. No./Substance:
0/Antigens, Bacterial; 0/Epitopes; 0/Lipopolysaccharides
Comments/Corrections

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