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Rtracklayer: Converting rlelist (Coverage) to bigwig
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2.1 years ago
University of Washington

Hey all I'm trying to convert a rle-list to a bigwig file to view on a genome browser and am having trouble with my output BigWig. My Rle list has each chromosome as an item and them an rle vector of rpm coverage values at each basepair (screenshot shown here). I'm using export.bw from rtracklayer to convert to BigWig.

My problem is that when I'm exporting to bigWig, the track looks great but when viewing on IGV, certain chromosomes get left out completely (notably chromosome MT and X - which lead me to believe it has something to do with the names). (Seen here)

Interestingly, if I subset out just chromosomes MT and X (shown here), it exports just fine and the coverages for MT and X can be viewed in IGV.

Has anyone had this problem before??

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