Use of the polymerase chain reaction for Salmonella detection

J. Kwang, E. T. Littledike, J. E. Keen

Research output: Contribution to journalArticle

97 Citations (Scopus)

Abstract

A primer set of oligonucleotides (S18 and S19) from the ompC gene of Salmonella has been evaluated for specific detection of Salmonella by polymerase chain reaction (PCR). This primer set successfully amplified 40 Salmonella serovars (60 isolates), but not 24 non-Salmonella bacteria (42 isolates) that have been tested so far. The uniqueness of these primer sequences was also confirmed. The sensitivity of PCR detection in extracted chromosomal DNA for Salm. typhimurium was 1 pg. The sensitivity for boiled whole bacteria was 400 cells. The detection of Salm. typhimurium in ground beef samples required 4-6 h enrichment with an initial inocula of 100 bacteria.

Original languageEnglish (US)
Pages (from-to)46-51
Number of pages6
JournalLetters in Applied Microbiology
Volume22
Issue number1
DOIs
StatePublished - Jan 1 1996

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Salmonella
Bacteria
Polymerase Chain Reaction
DNA Primers
DNA
Genes
Red Meat
Serogroup

ASJC Scopus subject areas

  • Applied Microbiology and Biotechnology

Cite this

Use of the polymerase chain reaction for Salmonella detection. / Kwang, J.; Littledike, E. T.; Keen, J. E.

In: Letters in Applied Microbiology, Vol. 22, No. 1, 01.01.1996, p. 46-51.

Research output: Contribution to journalArticle

Kwang, J. ; Littledike, E. T. ; Keen, J. E. / Use of the polymerase chain reaction for Salmonella detection. In: Letters in Applied Microbiology. 1996 ; Vol. 22, No. 1. pp. 46-51.
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