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Related Experiment Video

Updated: Jul 7, 2026

Genome-wide Determination of Mammalian Replication Timing by DNA Content Measurement

Genome-wide Determination of Mammalian Replication Timing by DNA Content Measurement

Published on: January 19, 2017

DNA replication timing data corroborate in silico human replication origin predictions.

B Audit¹, S Nicolay, M Huvet

¹Laboratoire Joliot-Curie, ENS-Lyon, CNRS, France.

Physical Review Letters

|February 1, 2008

Summary

This summary is machine-generated.

Researchers developed a new method to analyze human genome patterns, distinguishing replication from transcription. This study confirms predictions about replication origins, showing early replication domains and late-replicating central regions.

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G2-seq: A High Throughput Sequencing-based Technique for Identifying Late Replicating Regions of the Genome

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Chromosome Replicating Timing Combined with Fluorescent In situ Hybridization

Chromosome Replicating Timing Combined with Fluorescent In situ Hybridization

Published on: December 10, 2012

Area of Science:

Genomics
Molecular Biology
Bioinformatics

Background:

Compositional strand asymmetries in the human genome are linked to both DNA replication and transcription.
Understanding the spatial and temporal organization of DNA replication is crucial for genome stability and function.

Purpose of the Study:

To develop a novel wavelet-based method for pattern recognition to differentiate replication-associated from transcription-associated strand asymmetries.
To investigate the relationship between replication origins and replication timing in the human genome.

Main Methods:

Development of a wavelet-based multiscale pattern recognition methodology.
Analysis of compositional strand asymmetries in the human genome.
Comparison of replication skew profiles with high-resolution replication timing data.

Main Results:

The methodology successfully disentangled replication- and transcription-associated strand asymmetries.
Putative replication origins bordering replication domains were found to replicate early in S phase.
Central regions within replication domains were identified as late-replicating.

Conclusions:

The study provides the first experimental confirmation of predictions regarding replication origins.
Replication origins bordering replication domains are likely early replicating and active across most human tissues.
The findings offer insights into the spatiotemporal organization of DNA replication in the human genome.