The O-Antigen Gene Cluster of Escherichia coli O55:H7 and Identification of a New UDP-GlcNAc C4 Epimerase Gene
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چکیده
منابع مشابه
The O-antigen gene cluster of Escherichia coli O55:H7 and identification of a new UDP-GlcNAc C4 epimerase gene.
Escherichia coli O55 is an important antigen which is often associated with enteropathogenic E. coli clones. We sequenced the genes responsible for its synthesis and identified genes for O-antigen polymerase, O-antigen flippase, four enzymes involved in GDP-colitose synthesis, and three glycosyltransferases, all by comparison with known genes. Upstream of the normal O-antigen region there is a ...
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The O antigen is an essential component of the lipopolysaccharides on the surface of Gram-negative bacteria and its variation provides a major basis for serotyping schemes. The Escherichia coli O-antigen form O180 was first designated in 2004, and O180 strains were found to contain virulence factors and cause diarrhea. Different O-antigen forms are almost entirely due to genetic variations in t...
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ژورنال
عنوان ژورنال: Journal of Bacteriology
سال: 2002
ISSN: 0021-9193,1098-5530
DOI: 10.1128/jb.184.10.2620-2625.2002