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Related Concept Videos

PCR01:32

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PCR - Polymerase Chain Reaction01:32

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Related Experiment Video

Updated: Jul 7, 2026

Open-Source Miniature Fluorimeter to Monitor Real-Time Isothermal Nucleic Acid Amplification Reactions in Resource-Limited Settings
09:36

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Published on: February 3, 2021

Nucleic acid isothermal amplification technologies: a review.

Pooria Gill1, Amir Ghaemi

  • 1Research Center for Molecular Biology, Baqiyatallah Medical Sciences University, Tehran, Iran. pooriagill@yahoo.com

Nucleosides, Nucleotides & Nucleic Acids
|February 9, 2008
PubMed
Summary

Isothermal nucleic acid amplification methods offer an alternative to traditional Polymerase Chain Reaction (PCR), eliminating the need for thermocycling. These novel techniques mimic in vivo DNA synthesis for efficient amplification.

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Area of Science:

  • Molecular Biology
  • Recombinant DNA Technologies
  • Nucleic Acid Amplification

Background:

  • Nucleic acid amplification is crucial for detecting and analyzing small quantities of nucleic acids.
  • Polymerase Chain Reaction (PCR) is a widely used DNA amplification method but requires a thermocycling machine.
  • In vivo DNA synthesis demonstrates the possibility of isothermal DNA amplification.

Purpose of the Study:

  • To review novel isothermal nucleic acid amplification technologies.
  • To discuss their applications in molecular biological studies.
  • To highlight alternatives to traditional thermocycling-based methods.

Main Methods:

  • Review of various isothermal nucleic acid amplification methods.
  • Discussion of mechanisms mimicking in vivo DNA synthesis.
  • Identification of accessory proteins enabling in vitro isothermal amplification.

Main Results:

  • Several isothermal nucleic acid amplification methods have been developed.
  • These include Transcription Mediated Amplification, Strand Displacement Amplification, and Loop-Mediated Isothermal Amplification, among others.
  • These methods enable DNA amplification under constant temperature conditions.

Conclusions:

  • Isothermal nucleic acid amplification methods provide efficient alternatives to PCR.
  • They eliminate the need for thermocycling apparatus.
  • These technologies have diverse applications in molecular biology research.