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Synthetic Chemistry and Function of Bacterial Cell Surface Glycoconjugates
Author(s) -
Kusumoto Shoichi,
Fukase Koichi,
Oikawa Masato,
Suda Yasuo
Publication year - 2002
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.200200071
Subject(s) - glycoconjugate , chemistry , lipid a , lipopolysaccharide , bacterial cell structure , bacteria , biochemistry , chemical synthesis , function (biology) , in vitro , microbiology and biotechnology , immunology , biology , genetics
Typical bacterial glycoconjugates are known to stimulate immunological systems of higher animals and thereby play important roles in the primary defense of animals against bacterial infection. Lipopolysaccharide (LPS) of gram‐negative bacteria is a representative of such glycoconjugates. LPS was first discovered as a potent bacterial toxin and named endotoxin but was soon found to exhibit immunostimulating activity. By the use of our synthetic pure preparations, the lipophilic partial structure of LPS, designated lipid A, proved to be the active entity responsible for both endotoxic and immunostimulating activities of LPS. This paper deals with our recent chemical synthesis and functional study of lipid A and related compounds. Synthesis is described of its various structural analogues, radio‐labeled compound and Re‐type LPS that contains two additional sugar moieties linked to lipid A.

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