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Updated: Feb 2, 2026

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Published on: October 9, 2009
DNA Replication: From Radioisotopes to Click Chemistry
Anna Ligasová1, Karel Koberna2
1Faculty of Medicine and Dentistry, Institute of Molecular and Translational Medicine, Palacký University in Olomouc, Hněvotínská 5, 779 00 Olomouc, Czech Republic. anna.ligasova@upol.cz.
This review explores using nucleoside and nucleotide analogues to detect DNA replication. It highlights the strengths and weaknesses of various detection methods, including click chemistry, for microscopic studies.
Area of Science:
- Molecular Biology
- Cell Biology
- Biochemistry
Background:
- DNA replication is fundamental for eukaryotic cell division, ensuring genetic information doubles.
- Nucleoside and nucleotide analogues are crucial tools for marking newly synthesized DNA in replication and cell cycle studies.
Purpose of the Study:
- To review methods for detecting DNA replication activity using nucleoside and nucleotide analogues.
- To compare the advantages and disadvantages of different detection systems, focusing on microscopic applications.
Main Methods:
- Incorporation of artificial nucleoside and nucleotide analogues into newly synthesized DNA.
- Detection and visualization of incorporated analogues using various methods.
- Specific focus on click chemistry as a popular detection technique.
Main Results:
- Nucleoside and nucleotide analogues serve as effective markers for newly synthesized DNA.
- Click chemistry is a widely used and popular method for detecting these analogues.
- Different detection systems possess unique strengths and weaknesses for microscopic analysis.
Conclusions:
- Understanding analogue detection methods is vital for studying DNA replication and cell cycle dynamics.
- Click chemistry offers a powerful approach for visualizing DNA synthesis in microscopic studies.
- A critical evaluation of detection system capabilities is necessary for optimal experimental design.
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