摘要
[ Objective] To establish a Taqman real-time PCR for detection of Salmonella in pet food. [Method] A pair of primers and a probe were designed based on published nucleotide sequence of invA gene encoding the invasion protein of Salmonella enterica. [ Result] The assay detects Salmonella specifically. The detection limit of the real-time PCR was 17 CFU/test （25 uL/test） for the positive strain. This method was effective to detect artificially contaminated pet food. [ Conclusion] The results showed that Taqman PCR assay was rapid and accurate for detection of Salmonella from infected pet food.
[Objective] To establish a Taqman real-time PCR for detection of Salmonella in pet food. [Method] A pair of primers and a probe were designed based on published nucleotide sequence of invA gene encoding the invasion protein of Salmonella enterica. [Result] The assay detects Salmonella specifically. The detection limit of the real-time PCR was 17 CFU/test (25 μL/test) for the positive strain. This method was effective to detect artificially contaminated pet food. [Conclusion] The results showed that Taqman PCR assay was rapid and accurate for detection of Salmonella from infected pet food.
基金
Supported by the Project of General Administration of Quality Supervision,Inspection and Quarantine of the People's Republic of China( 201110034)
