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Related Concept Videos

Real Time RT-PCR02:57

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The real-time quantification of the number of amplified products is...
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Related Experiment Video

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Split Hybridization Probe Utilizing a DNA Fluorescent Light-up Aptamer as a Signal Reporter for Sequence-Specific Nucleic Acid Analysis
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Double-Stranded Universal Probe Strategy Enables Cost-Effective and Versatile Nucleic Acid Amplification Tests.

Guopeng Teng1, Gongde Lin2, Yuting Zheng1

  • 1Department of Laboratory Medicine, Key Laboratory of Clinical Laboratory Technology for Precision Medicine, Fujian Province University, School of Medical Technology and Engineering, Fujian Medical University, Fuzhou 350005, China.

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A novel double-stranded universal probe (ds-Uprobe) strategy simplifies nucleic acid detection. This cost-effective method enables sensitive pathogen identification using a single probe for various targets in PCR and LAMP assays.

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Area of Science:

  • Molecular Biology
  • Biotechnology
  • Diagnostic Assays

Background:

  • Effective control of communicable diseases requires rapid, sensitive, and specific nucleic acid detection methods.
  • Current techniques are often limited by high costs of probes and reliance on expensive nucleases.

Purpose of the Study:

  • To develop a cost-effective and versatile nucleic acid detection strategy.
  • To establish a double-stranded universal probe (ds-Uprobe)-mediated assay for pathogen detection.

Main Methods:

  • Modification of forward primers with a universal tag sequence.
  • Design of a corresponding double-stranded universal probe (ds-Uprobe).
  • Establishment of ds-Uprobe-mediated PCR and LAMP assays.

Main Results:

  • A single ds-Uprobe was universally applicable for diverse nucleic acid targets.
  • Demonstrated wide detection range in PCR (10^1/10^2 to 10^6 copies/μL) and LAMP (10^2 to 10^6 copies/μL).
  • Achieved a limit of detection from 10 to 100 copies/μL.
  • Clinical samples showed high concordance with qPCR, confirming clinical viability.

Conclusions:

  • The ds-Uprobe strategy offers a simple, cost-effective, and highly versatile approach for nucleic acid detection.
  • This method enables sensitive and accurate detection, showing promise for molecular diagnostics.
  • The universal ds-Uprobe strategy can be integrated into various nucleic acid amplification tests.