Simultaneous detection of Salmonella strains and Escherichia coli O157:H7 with fluorogenic PCR and single-enrichment-broth culture.

Abstract:

:A multiplex fluorogenic PCR assay for simultaneous detection of pathogenic Salmonella strains and Escherichia coli O157:H7 was developed and evaluated for use in detecting very low levels of these pathogens in meat and feces. Two sets of primers were used to amplify a junctional segment of virulence genes sipB and sipC of Salmonella and an intragenic segment of gene eae of E. coli O157:H7. Fluorogenic reporter probes were included in the PCR assay for automated and specific detection of amplified products. The assay could detect <10 CFU of Salmonella enterica serovar Typhimurium or E. coli O157:H7 per g of meat or feces artificially inoculated with these pathogens and cultured for 6 to 18 h in a single enrichment broth. Detection of amplification products could be completed in

journal_name

Appl Environ Microbiol

authors

Sharma VK,Carlson SA

doi

10.1128/aem.66.12.5472-5476.2000

keywords:

subject

Has Abstract

pub_date

2000-12-01 00:00:00

pages

5472-6

issue

12

eissn

0099-2240

issn

1098-5336

journal_volume

66

pub_type

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