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  • Title: Real-time PCR for detection and quantification of red deer (Cervus elaphus), fallow deer (Dama dama), and roe deer (Capreolus capreolus) in meat mixtures.
    Author: Fajardo V, González I, Martín I, Rojas M, Hernández PE, García T, Martín R.
    Journal: Meat Sci; 2008 Jun; 79(2):289-98. PubMed ID: 22062757.
    Abstract:
    A rapid real-time polymerase chain reaction (PCR) technique using SYBR Green detection system, has been developed for the quantification of red deer, fallow deer, and roe deer DNAs in meat mixtures. The method combines the use of cervid-specific primers that amplify a 134, 169, and 120bp of the 12S rRNA gene fragment of red deer, fallow deer and roe deer, respectively, and universal primers that amplify a 140bp fragment on the nuclear 18S rRNA gene from eukaryotic DNA. The C(t) (threshold cycle) values obtained with the 18S rRNA primers are used to normalize those obtained from each of the cervid-specific systems, serving as endogenous control for the total content of PCR-amplifiable DNA in the sample. Analysis of experimental raw and heat treated binary mixtures of red deer, fallow deer or roe deer meat in a swine meat matrix demonstrated the suitability of the assay for the detection and quantification of the target cervid DNAs in the range 0.1-0.8%, depending on the species and treatment of the meat samples analyzed.
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