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Critical points for an accurate human genome analysis.
Stefan J White1, Jeroen F J Laros1,2,3, Egbert Bakker2
1Department of Human Genetics, Leiden University Medical Center, The Netherlands.
Human Mutation
|May 5, 2017
Summary
Whole-genome sequencing (WGS) is becoming standard in DNA diagnostics, moving beyond single-gene tests. This guide details critical WGS steps, quality control, and differences from whole-exome sequencing (WES) for lab implementation.
Area of Science:
- Genomics
- Molecular Diagnostics
- Bioinformatics
Background:
- Next-generation sequencing (NGS) is transforming DNA diagnostics from single-gene to comprehensive analyses.
- Whole-exome sequencing (WES) and whole-genome sequencing (WGS) are increasingly utilized.
- Technological advances and cost reductions are positioning WGS as the future standard in diagnostic laboratories.
Purpose of the Study:
- To outline critical steps for performing whole-genome sequencing (WGS) in a diagnostic setting.
- To highlight key differences between WGS and whole-exome sequencing (WES).
- To identify important variables and quality control measures for WGS implementation.
Main Methods:
- Focus on critical procedural steps in whole-genome sequencing (WGS).
- Comparative analysis of WGS versus whole-exome sequencing (WES) protocols.
- Emphasis on quality control (QC) and variable monitoring during WGS.
Main Results:
- Detailed discussion of WGS-specific considerations.
- Identification of crucial decision points and QC checkpoints.
- Integration of WGS protocols with variant reporting guidelines.
Conclusions:
- WGS implementation requires careful attention to specific procedural steps and QC.
- Understanding WGS nuances compared to WES is essential for accurate diagnostics.
- This framework supports the routine adoption of WGS in clinical settings.
