A new real-time PCR method for the identification of Salmonella Dublin.

Abstract:

AIMS:Development of a real-time PCR method for the specific detection of Salmonella Dublin. METHODS AND RESULTS:The method was directed towards a Salm. Dublin-specific sequence of the vagC gene on the Salmonella virulence plasmid (pSDV) and towards Salmonella genus-specific sequence of the invA gene, serving as an internal amplification control. The method showed 100% inclusivity and exclusivity when tested on a strain collection containing 50 serotyped S . Dublin strains, 20 strains of other Salmonella serotypes and 10 non- Salmonella strains. The method also showed 100% inclusivity and 99% exclusivity in a collaborative study comprising eight laboratories, where each laboratory received ten different S . Dublin strains and 10 other Salmonella serotypes. CONCLUSIONS:The method showed excellent performance both when validated in the laboratory and in the collaborative study. SIGNIFICANCE AND IMPACT OF THE STUDY:Application of the present method in food control, for example at slaughterhouses, can improve the contamination control of this veterinary and clinically important Salmonella serotype.

journal_name

J Appl Microbiol

authors

Persson S,Jacobsen T,Olsen JE,Olsen KE,Hansen F

doi

10.1111/j.1365-2672.2012.05378.x

subject

Has Abstract

pub_date

2012-09-01 00:00:00

pages

615-21

issue

3

eissn

1364-5072

issn

1365-2672

journal_volume

113

pub_type

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