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Quantification of allelic differential expression using a simple Fluorescence primer PCR-RFLP-based method.

Changzhi Zhao1, Shengsong Xie1,2, Hui Wu1

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We developed a new fluorescence primer PCR-RFLP quantitative method (fPCR-RFLP) for accurate allelic differential expression (ADE) analysis. This sensitive technique aids in identifying major genes and mutations responsible for specific phenotypes.

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Area of Science:

  • Genetics
  • Molecular Biology
  • Biotechnology

Background:

  • Allelic differential expression (ADE) is prevalent in diploid organisms and influences phenotypic variation.
  • Accurate detection of ADE is crucial for identifying key genes and causal mutations.
  • Existing methods for ADE detection lack sensitivity and simplicity.

Purpose of the Study:

  • To develop a novel, accurate, simple, and sensitive method for allelic differential expression (ADE) analysis.
  • To validate the efficacy of the developed method for ADE detection in biological samples.

Main Methods:

  • Developed the fluorescence primer PCR-RFLP quantitative method (fPCR-RFLP).
  • Utilized two rounds of PCR with a double-labeled primer (6-FAM).
  • Separated and quantified alleles using RFLP and fluorescence density analysis.

Main Results:

  • The fPCR-RFLP method accurately distinguished ADE across 1- to 32-fold differences.
  • Verified ADE in PLAG1 and KIT genes related to pig growth and immunity.
  • Demonstrated ADE detection capability at both DNA and RNA levels.

Conclusions:

  • fPCR-RFLP is an accurate and sensitive tool for detecting allelic differential expression (ADE).
  • This method facilitates the analysis of mutations causing ADE.
  • Provides a powerful approach for genetic and molecular studies.