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Mol Cell Probes. 1993 Apr;7(2):151-4.

Identification of Escherichia coli serotype O157:H7 by DNA probe specific for an allele of uid A gene.

Author information

1
Division of Microbiological Studies, Food and Drug Administration, Washington, DC 20204.

Erratum in

  • Mol Cell Probes 1993 Aug;7(4):337.

Abstract

Isolates of Escherichia coli serotype O157:H7 were identified by an oligonucleotide probe, PF-27, containing a unique base substitution in the allele of the uid A gene. Colony hybridization analysis of 239 bacteria, including E. coli, Shiga-like toxin-producing serogroups of pathogenic E. coli and other enteric isolates showed that the probe reacted only with isolates of serotype O157:H7. Results of genetic analyses suggest that the base substitution in the allele does not contribute to the absence of uid A gene expression in O157:H7.

PMID:
8321253
DOI:
10.1006/mcpr.1993.1021
[Indexed for MEDLINE]

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