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Integrative analysis of high-thoughput sequencing data

Project Description

Briefly, the goal of metaseq is to tie together lots of existing software into a framework for exploring genomic data. It focuses on flexibility and interactive exploration and plotting of disparate genomic data sets.

The main documentation for metaseq can be found at https://daler.github.io/metaseq.

If you use metaseq in your work, please cite the following publication:

Dale, R. K., Matzat, L. H. & Lei, E. P. metaseq: a Python package for integrative genome-wide analysis reveals relationships between chromatin insulators and associated nuclear mRNA. Nucleic Acids Res. 42, 9158–9170 (2014). http://www.ncbi.nlm.nih.gov/pubmed/25063299

Example 1: Average ChIP-seq signal over promoters

Example 1 walks you through the creation of the following heatmap and line-plot figure:

Top: Heatmap of ATF3 ChIP-seq signal over transcription start sites (TSS) on chr17 in human K562 cells. Middle: average ChIP enrichment over all TSSs +/- 1kb, with 95% CI band. Bottom: Integration with ATF3 knockdown RNA-seq results, showing differential enrichment over transcripts that went up, down, or were unchanged upon ATF3 knockdown.

Example 2: Differential expression scatterplots

Example 2 walks you through the creation of the following scatterplot and marginal histogram figure:

Control vs knockdown expression (log2(FPKM + 1)) for an ATF3 knockdown experiment. Each point represents one transcript on chromosome 17. Marginal distributions are shown on top and side. 1:1 line shown as a dotted line. Up- and downregulated genes determined by a simple 2-fold cutoff.

Other features

In addition, metaseq offers:

  • A format-agnostic API for accessing “genomic signal” that allows you to work with BAM, BED, VCF, GTF, GFF, bigBed, and bigWig using the same API.
  • Parallel data access from the file formats mentioned above
  • “Mini-browsers”, zoomable and pannable Python-only figures that show genomic signal and gene models and are spawned by clicking on features of interest
  • A wrapper around pandas.DataFrames to simplify the manipulation and plotting of tabular results data that contain gene information (like DESeq results tables)
  • Integrates data keyed by genomic interval (think BAM or BED files) with data keyed by gene ID (e.g., Cufflinks or DESeq results tables)

Check out the full documentation for more.

Release History

Release History

This version
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0.5.6

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0.5.5.4

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0.5.5.3

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0.5.5.2

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0.5.5.1

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0.5.5

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0.5.3

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0.5.3a2

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0.5.3a1

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0.5.1

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0.5

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0.1dev

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
metaseq-0.5.6.tar.gz (1.3 MB) Copy SHA256 Checksum SHA256 Source Nov 15, 2015

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