Computational Analysis of RNA-seq

  • Givan S
  • Bottoms C
  • Spollen W
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Abstract

Using High-Throughput DNA Sequencing (HTS) to examine gene expression is rapidly becoming a ­viable choice and is typically referred to as RNA-seq. Often the depth and breadth of coverage of RNA-seq data can exceed what is achievable using microarrays. However, the strengths of RNA-seq are often its greatest weaknesses. Accurately and comprehensively mapping millions of relatively short reads to a reference genome sequence can require not only specialized software, but also more structured and automated procedures to manage, analyze, and visualize the data. Additionally, the computational hardware required to efficiently process and store the data can be a necessary and often-overlooked component of a research plan. We discuss several aspects of the computational analysis of RNA-seq, including file management and data quality control, analysis, and visualization. We provide a framework for a standard nomenclature ­system that can facilitate automation and the ability to track data provenance. Finally, we provide a general workflow of the computational analysis of RNA-seq and a downloadable package of scripts to automate the processing. CN - 0000

Author-supplied keywords

  • Biomedical and Life Sciences
  • Data processing
  • High-throughput DNA sequencing
  • Human Genetics
  • RNA-seq
  • gene expression

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Authors

  • Scott A Givan

  • Christopher A Bottoms

  • William G Spollen

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