한국동물생명공학회지 (Journal of Animal Reproduction and Biotechnology)

  • 제38권4호
  • /
  • Pages.209-214
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  • 2023
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  • 2671-4639(pISSN)
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  • 2671-4663(eISSN)
한국동물생명공학회 (The Korean Society of Animal Reproduction and Biotechnology)
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A simple and rapid method for detection of single nucleotide variants using tailed primer and HRM analysis

  • Hyeonguk Baek (Division of Animal and Dairy Sciences, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Inchul, Choi (Division of Animal and Dairy Sciences, College of Agriculture and Life Sciences, Chungnam National University)
  • 투고 : 2023.09.19
  • 심사 : 2023.10.18
  • 발행 : 2023.12.31
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초록

Background: Single nucleotide polymorphisms (SNPs) are widely used genetic markers with applications in human disease diagnostics, animal breeding, and evolutionary studies, but existing genotyping methods can be labor-intensive and costly. The aim of this study is to develop a simple and rapid method for identification of a single nucleotide change. Methods: A modified Polymerase Chain Reaction Amplification of Multiple Specific Alleles (PAMSA) and high resolution melt (HRM) analysis was performed to discriminate a bovine polymorphism in the NCAPG gene (rs109570900, 1326T > G). Results: The inclusion of tails in the primers enabled allele discrimination based on PCR product lengths, detected through agarose gel electrophoresis, successfully determining various genotypes, albeit with some time and labor intensity due to the use of relatively costly high-resolution agarose gels. Additionally, high-resolution melt (HRM) analysis with tailed primers effectively distinguished the GG genotype from the TT genotype in bovine muscle cell lines, offering a reliable way to distinguish SNP polymorphisms without the need for time-consuming AS-PCR. Conclusions: Our experiments demonstrated the importance of incorporating unique mismatched bases in the allele-specific primers to prevent cross-amplification by fragmented primers. This efficient and cost-effective method, as presented here, enables genotyping laboratories to analyze SNPs using standard real-time PCR.

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과제정보

We thank Prof. Ki-Yong Chung (Korea National College of Agriculture and Fisheries) for providing the bovine muscle cell lines.

참고문헌

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