Presence and characterization of a mosaic genomic island which distinguishes sorbitol-fermenting enterohemorrhagic Escherichia coli O157:H- from E. coli O157:H7 |
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Authors: | Janka Andreas Becker Georg Sonntag Anne-Katharina Bielaszewska Martina Dobrindt Ulrich Karch Helge |
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Affiliation: | Institut für Hygiene, Universit?tsklinikum Münster, Robert-Koch Strasse 41, D-48149 Münster, Germany. |
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Abstract: | A mosaic genomic island comprising Shigella resistance locus (SRL) sequences flanked by segments of Escherichia coli O157:H7 strain EDL933 O islands 43, 81, and 82 was identified in sorbitol-fermenting (SF) enterohemorrhagic Escherichia coli (EHEC) O157:H(-) strain 493/89. This mosaic island is absent from strain EDL933. PCR targeting the SRL-related sequence is a useful tool to distinguish SF EHEC O157:H(-) from EHEC O157:H7. |
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