The Yersinia high-pathogenicity island in Escherichia coli and Klebsiella pneumoniae isolated from polymicrobial infections |
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Authors: | Koczura Ryszard Mokracka Joanna Kaznowski Adam |
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Affiliation: | Department of Microbiology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland. koczma@amu.edu.pl |
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Abstract: | We examined 12 pairs of strains of Escherichia coli and Klebsiella pneumoniae isolated from mixed infections in human for the presence of the Yersinia high-pathogenicity island (HPI). In one case both isolates carried the HPI, whereas in 11 cases one strain of the pair was HPI-positive. Although there were differences in the organization of the Yersinia HPI, all HPI-positive isolates were able to produce yersiniabactin. The presence of the Yersinia HPI may enhance the capability of strains involved in mixed infections to replicate in iron-deprived conditions in the host. |
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