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                            Library & Multimedia
 A TaqMan Multiplex Assay for Hoofed Livestock Species Identification and Nuclear DNA Quantification
NCJ Number
              255423
Journal

*International Food Research Journal* Volume: 19 Issue: 3 Dated: 2012 Pages: 1279-1285
Author(s)
          Jillian Ng;
                        Jessica Satkoski;
                        Amritha Premasuthan;
                        Screetharan Kanthaswamy
Date Published

2012
Length
              7 pages
Annotation
              This article reports on the development of a TaqMan® real-time quantitative PCR (qPCR) multiplex assay that identifies and quantifies minute amounts (0.5-5 pg) of mixed-species nuclear DNA of cattle (Bos taurus), horse (Equus caballus), goat (Capra hircus)/sheep (Ovis aries), and pig (Sus scrofa) in a species-specific manner.
Abstract
              The assay's ability to accurately detect and quantify target DNA in multi-species mixtures is crucial when the target specimen may be overwhelmed by non-target specimen. This research evaluated the assay using simulated forensic sample conditions and demonstrated that this assay is applicable in investigating criminal and civil cases that include meat authentication and agri-food testing to ensure health and safety. The efficient determination of the species of origin of biological material and the accurate quantification of the species-specific template DNA will help reduce the potential risks that fraudulent/imitation and contaminated food products could pose to the food supply. The assay's ability to accurately identify and quantify species-specific DNA present in biological samples will also facilitate downstream analyses that generate DNA profiles of the specimen for genetic identity testing and traceability. This TaqMan® qPCR assay will facilitate meat inspectors, regulatory agencies, and food safety and quality control laboratories enforcement of accurate labeling of livestock meat products and prevent fraudulent manipulations of the food supply. (publisher abstract modified)
      
  
          Additional Details
Grant Number(s)
        2008-DN-BX-K288


  
  
        
  Agencies
        NIJ-Sponsored


  
  
        
  Award
        Development of a DNA-Based Multi-Species Identification and Quantification Assay
    
  
  
Date Published: January 1, 2012
    
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