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Related Experiment Videos

Reagent for introducing pyrene residues in oligonucleotides.

V A Korshun1, N B Pestov, K R Birikh

  • 1M. M. Shemyakin Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow.

Bioconjugate Chemistry
|November 1, 1992
PubMed
Summary

A new reagent allows the incorporation of pyrene molecules into DNA strands. These modified oligonucleotides can be used as primers in polymerase chain reactions, enabling new applications in molecular biology.

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Area of Science:

  • Organic Chemistry
  • Molecular Biology
  • Biochemistry

Background:

  • Oligonucleotides are crucial in molecular biology for applications like PCR.
  • Incorporating fluorescent tags into oligonucleotides can aid in detection and analysis.
  • Pyrene is a useful fluorescent molecule for labeling biomolecules.

Purpose of the Study:

  • To synthesize a novel phosphoramidite reagent for incorporating pyrene into oligonucleotides.
  • To prepare pyrene-containing oligonucleotides using the novel reagent.
  • To evaluate the utility of these modified oligonucleotides in polymerase chain reactions.

Main Methods:

  • Synthesis of a novel pyrenyl-containing phosphoramidite reagent.
  • Oligonucleotide synthesis using the developed reagent.

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  • Characterization of modified oligonucleotides via fluorescence spectroscopy.
  • Application of modified oligonucleotides as primers in polymerase chain reaction (PCR).

    • Main Results:

    • Successful synthesis of the pyrenyl-containing phosphoramidite reagent with 52% overall yield.
    • Preparation and characterization of oligonucleotides with one or two pyrene residues at the 5'-terminus.
    • Demonstrated successful use of pyrene-labeled oligonucleotides as primers in PCR.

    Conclusions:

    • The novel phosphoramidite reagent effectively incorporates pyrene into oligonucleotides.
    • Pyrene-labeled oligonucleotides are functional and can be used in PCR.
    • This advancement offers new possibilities for fluorescently labeled DNA probes and primers.