ThewbpMgene inPseudomonas aeruginosaserogroup O17 resides on a cryptic copy of the serogroup O11 O antigen gene locus
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چکیده
منابع مشابه
Lipopolysaccharide O-antigen chain length regulation in Pseudomonas aeruginosa serogroup O11 strain PA103.
The Wzz proteins are important for determining the length of the O-antigen side chain attached to lipopolysaccharide (LPS). Several bacteria, including Pseudomonas aeruginosa strain PAO1 (serogroup O5), produce two such proteins responsible for the preference of two different chain lengths on the surface. Our group has previously identified one wzz gene (wzz1) within the O-antigen locus of P. a...
متن کاملThe O-antigen gene cluster of Shigella boydii O11 and functional identification of its wzy gene.
Shigella strains are human pathogens and their identification is usually based on their O-antigens. The O-antigen gene cluster of Shigella boydii O11 was sequenced. All the expected genes for the synthesis of the O-antigen were identified on the basis of homology and genes for the biosynthesis of dTDP-l-Rhamnose, genes encoding sugar transferases, as well as genes encoding O unit flippase (wzx)...
متن کاملMolecular analysis of the Enterobacter sakazakii O-antigen gene locus.
Nucleotide polymorphism associated with the O-antigen-encoding locus, rfb, in Enterobacter sakazakii was determined by PCR-restriction fragment length polymorphism analysis. Based on the analysis of these DNA profiles, 12 unique banding patterns were detected among a collection of 62 strains from diverse origins. Two common profiles were identified and were designated serotypes O:1 and O:2. DNA...
متن کاملThe Yersinia kristensenii O11 O-antigen gene cluster was acquired by lateral gene transfer and incorporated at a novel chromosomal locus.
We have sequenced the O-antigen gene clusters for the Escherichia coli O98 and Yersinia kristensenii O11 O antigens. The basic structures of these O antigens are identical, and the sequence data indicate that Y. kristensenii O11 gained its O-antigen gene cluster by lateral gene transfer (LGT). Escherichia coli O98 has a typical O-antigen gene cluster between galF and gnd as is usual in E. coli....
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ژورنال
عنوان ژورنال: FEMS Microbiology Letters
سال: 2000
ISSN: 0378-1097,1574-6968
DOI: 10.1111/j.1574-6968.2000.tb09137.x