Comparison of real-time, quantitative PCR with molecular beacons to nested PCR and culture methods for detection of Mycobacterium avium subsp. paratuberculosis in bovine fecal samples.

@article{Fang2002ComparisonOR,
  title={Comparison of real-time, quantitative PCR with molecular beacons to nested PCR and culture methods for detection of Mycobacterium avium subsp. paratuberculosis in bovine fecal samples.},
  author={Ying Fang and Wu Haiquan Wu and Jessica L Pepper and J. E. Love Larsen and Salvatore A. E. Marras and Eric Alan Nelson and William B. Epperson and Jane Christopher-Hennings},
  journal={Journal of clinical microbiology},
  year={2002},
  volume={40 1},
  pages={
          287-91
        }
}
An automated PCR with fluorescent probes (molecular beacons) detected Mycobacterium avium subsp. paratuberculosis in bovine feces. When the PCR was compared with culture in testing 41 fecal samples, kappa scores of 0.94 to 0.96, a sensitivity of 93 to 96%, and a specificity of 92% were obtained. Results were quantitated by using a standard curve derived from a plasmid containing IS900. A minimum quantity of 1.7 x 10(-4) pg of DNA, correlating to 1 to 8 CFU, was detected. 

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