Detection of Verotoxin-Producing Escherichia coli O157:H7 by Multiplex Polymerase Chain Reaction
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概要
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We constructed primers for multiplex polymerase chain reaction (PCR) to detect verotoxin-producing Escherichia coli (VTEC) O157:H7. The multiplex PCR primers were designed from the sequence of the flagellin structural gene of Escherichia coli flagellar type H7 (GenBank under accession number L07388), and from the sequence of the rfbE gene of Escherichia coli O157:H7 (GenBank under accession number S83460). In addition to these primers, we used a primer pair reported by Karch and Meyer (J. Clin. Microbiol. 27: 2751-2757, 1989) to amplify various VT genes from VTEC. All of the examined specimens (18 isolates) of VT-producing E. coli O157:H7 showed a positive result by the multiplex PCR test with the three sets of primers. The sensitivity of detection for VT-producing E. coli O157:H7 was shown to be at least 3, 000 cells per PCR tube.
- 微生物学・免疫学学会連合の論文
微生物学・免疫学学会連合 | 論文
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