Document Detail

Heterogeneity of lipopolysaccharides from Yersinia pseudotuberculosis: chemical characterization of various molecular types.
MedLine Citation:
PMID:  10611534     Owner:  NLM     Status:  MEDLINE    
Prior studies have shown some unusual changes in the lipopolysaccharides (LPSs) from Yersinia pseudotuberculosis that occur when the microbe is grown at low temperature; the specific features of these LPSs in comparison with the LPSs from other enteropathogens may be due to unusual thermal adaptation mechanisms. To gain insight into this question, the chemical composition of Y. pseudotuberculosis LPS has been determined. The data indicate that two different S-form LPS species are produced in "cold"-grown bacteria. These have an identical set of bands after SDS-PAGE, similar elution profiles during gel-filtration on a Sephadex G-200 column in the presence of sodium deoxycholate, identical monosaccharide and fatty acid compositions, and similar polymerization degrees, but they have different acylation degree. On the whole, the macromolecularly different LPS populations, varying not only in their smooth or rough nature and hydrophobicity, but also in their localization in the outer membrane and, probably, their interactions with other cell components, are synthesized in "cold"-grown Y. pseudotuberculosis. The biological sense of the heterogeneity and its connection with psychrophilic and pathogenic properties of pseudotuberculosis organisms are discussed.
I N Krasikova; S I Bakholdina; T F Solov'eva
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Biochemistry. Biokhimii͡a     Volume:  64     ISSN:  0006-2979     ISO Abbreviation:  Biochemistry Mosc.     Publication Date:  1999 Nov 
Date Detail:
Created Date:  2000-01-28     Completed Date:  2000-01-28     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0376536     Medline TA:  Biochemistry (Mosc)     Country:  RUSSIA    
Other Details:
Languages:  eng     Pagination:  1283-9     Citation Subset:  IM    
Pacific Institute of Bioorganic Chemistry, Far East Division of the Russian Academy of Sciences, Vladivostok, 690022, Russia. piboc@stl. ru.
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MeSH Terms
Carbohydrate Conformation
Chromatography, Gel
Chromatography, Ion Exchange
Cold Temperature
Electrophoresis, Polyacrylamide Gel
Lipopolysaccharides / chemistry*,  isolation & purification
Yersinia pseudotuberculosis / chemistry*,  growth & development
Reg. No./Substance:

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