Generation of Escherichia coli O9a Serotype, a Subtype of E. coli O9, by Transfer of the wb* Gene Cluster of Klebsiella O3 into E. coli via Recombination |
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| Authors: | Tsuyoshi Sugiyama Nobuo Kido Yutaka Kato Naoki Koide Tomoaki Yoshida and Takashi Yokochi |
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| Institution: | Department of Microbiology and Immunology and Research Center for Infectious Disease, Aichi Medical University, Nagakute, Aichi 480-1195,1. and Biological Systems, Department of Natural Science Informatics, Nagoya University, Nagoya, Aichi 464-8601,2. Japan |
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| Abstract: | Genetic characterization of the wb* gene in a series of Escherichia coli and Klebsiella strains possessing the mannose homopolymer as the O-specific polysaccharide was carried out. The partial nucleotide sequences and PCR-restriction fragment length polymorphism analysis suggested that E. coli serotype O9a, a subtype of E. coli O9, might have been generated by the insertion of the Klebsiella O3 wb* gene into a certain E. coli strain. |
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