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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
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.
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.
- 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.