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Updated: Apr 7, 2026

Detecting Somatic Genetic Alterations in Tumor Specimens by Exon Capture and Massively Parallel Sequencing
Published on: October 18, 2013
SomaticSignatures: inferring mutational signatures from single-nucleotide variants
Julian S Gehring1, Bernd Fischer2, Michael Lawrence3
1European Molecular Biology Laboratory, Genome Biology Unit, 69117 Heidelberg, Germany, Department of Bioinformatics and Computational Biology, Genentech Inc., South San Francisco, CA 94080, USA and.
The SomaticSignatures R package offers user-friendly tools for identifying mutational signatures in cancer sequencing data. It enables large-scale analysis and integrates with existing bioinformatics workflows.
Area of Science:
- Genomics
- Bioinformatics
Background:
- Somatic single-nucleotide variants form mutational signatures reflecting underlying biological processes.
- Identifying these signatures is crucial for understanding cancer development.
Purpose of the Study:
- To introduce the SomaticSignatures R package.
- To provide flexible, interoperable, and easy-to-use tools for mutational signature analysis.
Main Methods:
- The SomaticSignatures R package is implemented within the Bioconductor project.
- The package facilitates large-scale, cross-dataset estimation of mutational signatures.
- It includes existing methods for pattern decomposition and supports user-defined approaches.
Main Results:
- The package offers tools for identifying mutational signatures in cancer sequencing data.
- It enables flexible and interoperable analysis across different datasets.
- Integration with existing Bioconductor workflows is supported.
Conclusions:
- SomaticSignatures provides a valuable resource for cancer genomics research.
- The package simplifies the identification and analysis of mutational signatures.
- It facilitates reproducible and scalable research in the field.
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