Jupyter notebook-based tools for building structured datasets from the Sequence Read Archive.
F1000Research(2020)
Abstract
The Sequence Read Archive (SRA) is a large public repository that stores raw next-generation sequencing data from thousands of diverse scientific investigations. Despite its promise, reuse and re-analysis of SRA data has been challenged by the heterogeneity and poor quality of the metadata that describe its biological samples. Recently, the MetaSRA project standardized these metadata by annotating each sample with terms from biomedical ontologies. In this work, we present a pair of Jupyter notebook-based tools that utilize the MetaSRA for building structured datasets from the SRA in order to facilitate secondary analyses of the SRA's human RNA-seq data. The first tool, called the , finds suitable case and control samples for a given disease or condition where the cases and controls are matched by tissue or cell type. The second tool, called the , finds ordered sets of samples for the purpose of addressing biological questions pertaining to changes over a numerical property such as time. These tools were the result of a three-day-long NCBI Codeathon in March 2019 held at the University of North Carolina at Chapel Hill.
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Key words
Hackathon,Jupyter,MetaSRA,Metadata,Ontology,RNA-seq,Sequence Read Archive
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