Related Experiment Video
Updated: Jun 6, 2026
08:53
Strand-Specific Analysis of Proteins at Replicating DNA Strands by Enrichment and Sequencing of Protein-Associated Nascent DNA Method
Published on: May 2, 2025
Temporal and functional analysis of DNA replicated in early S phase.
David G Kaufman1, Stephanie M Cohen, Paul D Chastain
1Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA. uncdgk@med.unc.edu
Advances in Enzyme Regulation
|November 25, 2010
Summary
New technologies illuminate DNA replication mechanisms, identifying replication origins and DNA damage sites. These advances aid understanding of cancer and aging, advancing functional genomics and the histone code.
Area of Science:
- Molecular Biology
- Genomics
- Epigenetics
Background:
- DNA replication is a fundamental process.
- Its intricate mechanisms are not fully understood.
- Recent technological advancements offer new insights.
Purpose of the Study:
- To explore novel technologies for studying DNA replication.
- To identify the genomic locations and timing of replication origins.
- To investigate DNA damage and chromatin protein localization during replication.
Main Methods:
- Utilizing extended DNA and chromatin fiber techniques.
- Employing methods for identifying and quantifying DNA damage.
- Localizing chromatin proteins in relation to replication sites.
Main Results:
- Successfully identified specific genomic origins of replication.
- Determined the temporal order of DNA replication.
- Quantified DNA damage and mapped chromatin proteins.
Conclusions:
- Developed technologies are crucial for understanding DNA replication.
- These methods advance functional genomics and histone code research.
- Potential applications include cancer and aging studies.
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Two states at the origin of replication
In eukaryotes, the initiation of replication occurs at many sites on the chromosomes, called the origins of replication.
Two states at the origin of replication
In eukaryotes, the initiation of replication occurs at many sites on the chromosomes, called the origins of replication.
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The cell cycle is a series of events leading to DNA duplication followed by the division of cell content to form two daughter cells. The cell cycle progresses in four stages—the cell increases in size (gap 1 or G1-phase), duplicates its DNA (synthesis or S-phase), prepares to divide (gap 2 or G2-phase), and divides (mitosis or M-phase).
Two states at the origin of replication
In eukaryotes, the initiation of replication occurs at many sites on the chromosomes, called the origins of replication.
Two states at the origin of replication
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