Document Detail


New structures of the O-specific polysaccharides of Proteus. 3. Polysaccharides containing non-carbohydrate organic acids.
MedLine Citation:
PMID:  12765528     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Four new Proteus O-specific polysaccharides were isolated by mild acid degradation from the lipopolysaccharides of P. penneri 28 (1), P. vulgaris O44 (2), P. mirabilis G1 (O3) (3), and P. myxofaciens (4), and their structures were elucidated using NMR spectroscopy and chemical methods. They were found to contain non-carbohydrate organic acids, including ether-linked lactic acid and amide-linked amino acids, and the following structures of the repeating units were established: [Figure: see text], where (S)-Lac and (R)-aLys stand for (S)-1-carboxyethyl (residue of lactic acid) and N(epsilon)-[(R)-1-carboxyethyl]-L-lysine ("alaninolysine"), respectively. The data obtained in this work and earlier serve as the chemical basis for classification of the bacteria Proteus.
Authors:
A N Kondakova; F V Toukach; S N Senchenkova; N P Arbatsky; A S Shashkov; Y A Knirel; B Bartodziejska; K Zych; A Rozalski; Z Sidorczyk
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Biochemistry. Biokhimii͡a     Volume:  68     ISSN:  0006-2979     ISO Abbreviation:  Biochemistry Mosc.     Publication Date:  2003 Apr 
Date Detail:
Created Date:  2003-05-26     Completed Date:  2004-04-13     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0376536     Medline TA:  Biochemistry (Mosc)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  446-57     Citation Subset:  IM    
Affiliation:
Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, 119991, Russia.
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MeSH Terms
Descriptor/Qualifier:
Amino Acids / chemistry*
Carbohydrate Sequence
Lactic Acid / chemistry*
Magnetic Resonance Spectroscopy
Molecular Sequence Data
Molecular Structure
O Antigens / chemistry*,  isolation & purification
Proteus / chemistry*,  classification*
Proteus mirabilis / chemistry,  classification
Proteus penneri / chemistry,  classification
Proteus vulgaris / chemistry,  classification
Serotyping
Chemical
Reg. No./Substance:
0/Amino Acids; 0/O Antigens; 50-21-5/Lactic Acid

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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