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Related Concept Videos

Labeling DNA Probes03:31

Labeling DNA Probes

DNA probes are fragments of DNA labeled with a reporter tag to enable their detection or purification. The resulting labeled DNA probes can then hybridize to target nucleic acid sequences through complementary base-pairing, and may be used to recover or identify these regions.
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...

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Sequence-specific Labeling of Nucleic Acids and Proteins with Methyltransferases and Cofactor Analogues
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Published on: November 22, 2014

Oligonucleotide labeling using BODIPY phosphoramidite.

Kha Tram1, Daniel Twohig, Hongbin Yan

  • 1Department of Chemistry, Brock University, St. Catharines, Ontario, Canada.

Nucleosides, Nucleotides & Nucleic Acids
|January 25, 2011
PubMed
Summary
This summary is machine-generated.

Researchers synthesized novel 4,4-Difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) derivatives. These fluorescent compounds were then incorporated into DNA, creating a new tool for biological research.

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Area of Science:

  • Organic Chemistry
  • Photochemistry
  • Molecular Biology

Background:

  • 4,4-Difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) dyes are known for their unique photophysical properties.
  • Fluorescent labeling of biomolecules is crucial for various biological and diagnostic applications.

Purpose of the Study:

  • To synthesize novel BODIPY derivatives with tailored photochemical properties.
  • To develop a method for incorporating these BODIPY derivatives into oligodeoxyribonucleotides as fluorescent reporters.

Main Methods:

  • Synthesis of novel BODIPY derivatives.
  • Photochemical characterization of the synthesized compounds.
  • Chemical transformation of a BODIPY analogue into a phosphoramidite.
  • Incorporation of the phosphoramidite into oligodeoxyribonucleotides using standard solid-phase synthesis.

Main Results:

  • Successful preparation and characterization of novel BODIPY derivatives.
  • One specific BODIPY analogue was efficiently converted into a phosphoramidite.
  • The phosphoramidite was successfully incorporated into oligodeoxyribonucleotides, yielding fluorescently labeled DNA strands.

Conclusions:

  • Novel BODIPY derivatives can be synthesized and possess useful photochemical properties.
  • The developed method allows for the facile incorporation of BODIPY dyes into DNA.
  • These fluorescently labeled DNA probes hold potential for applications in molecular biology and diagnostics.