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Updated: May 12, 2026

qPCRTag Analysis - A High Throughput, Real Time PCR Assay for Sc2.0 Genotyping
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High-throughput carrier screening using TaqMan allelic discrimination.

Anastasia Fedick1, Jing Su, Chaim Jalas

  • 1Department of Microbiology and Molecular Genetics, University of Medicine and Dentistry of New Jersey-Robert Wood Johnson Medical School, Piscataway, New Jersey, United States of America. afedick@rmanj.com

Plos One
|April 5, 2013
PubMed
Summary

This study developed 30 TaqMan qPCR assays for 29 genetic mutations common in the Ashkenazi Jewish population, achieving high accuracy for carrier screening. The high-throughput method offers reliable and efficient genetic testing.

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Area of Science:

  • Genetics
  • Molecular Biology
  • Biotechnology

Background:

  • Ashkenazi Jewish individuals have a higher risk of specific genetic diseases.
  • Carrier screening is medically recommended for this population.
  • Efficient and accurate genetic testing methods are crucial.

Purpose of the Study:

  • To develop and evaluate TaqMan allelic discrimination qPCR assays for 29 mutations.
  • To assess the reliability and diagnostic accuracy of these assays on high-throughput platforms.
  • To demonstrate a high-throughput qPCR methodology for parallel genotyping.

Main Methods:

  • Development of 30 TaqMan allelic discrimination qPCR assays.
  • Evaluation on two different high-throughput platforms.
  • Testing for reliability (call rate) and diagnostic accuracy across 9,216 genotypes.

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Main Results:

  • One platform achieved 99.04% call rate and 100% diagnostic accuracy.
  • The second platform yielded a 94.66% call rate and 93.35% diagnostic accuracy.
  • Testing at expected carrier frequencies showed a 97.87% call rate and 99.96% diagnostic accuracy.

Conclusions:

  • High-throughput qPCR accurately and reliably genotypes multiple mutations in parallel.
  • This technology can increase simultaneous mutation screening.
  • It reduces cost and turnaround time for genetic testing, accommodating new mutations.