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Enhancing Knowledge Discovery from Cancer Genomics Data with Galaxy

By Marco A Albuquerque, Bruno M. Grande, Elie J. Ritch, Selin Jessa, Martin Krzywinski, Jasleen K. Grewal, Sohrab P. Shah, Paul C. Boutros, Ryan D. Morin

Posted 26 Nov 2016
bioRxiv DOI: 10.1101/089631 (published DOI: 10.1093/gigascience/gix015)

We present a collection of Galaxy tools representing many popular algorithms for detecting somatic genetic alterations from cancer genome and exome data. We implemented methods for parallelization of these tools within Galaxy to accelerate runtime and have demonstrated their usability on cloud-based infrastructure and commodity hardware. Some tools represents extensions or refinement of existing toolkits to yield visualizations suited to cohort-wide cancer genomic analysis. For example, we present Oncocircos and Oncoprintplus, which generate data-rich summaries of exome-derived somatic mutation. Workflows that integrate several of these to perform some standard data integration and visualization tasks are demonstrated on a cohort of 96 diffuse large B-cell lymphomas, enabling the discovery of multiple candidate lymphoma-related genes that have not been reported previously.

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