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  • seeker
    Member
    • Jan 2011
    • 26

    #1

    SOLiD RNAseq questions using galaxy and cuffdiff

    hi all,

    I'm a bit of a noob here. I'm working through some transcriptome data using galaxy and am having a couple troubles.

    I have SOLiD data, paired end, but with the F5-BC tag. I have watched the screencast on the galaxy page which says that solid mapping for paired ends has reads that go the same direction, but the SOLiD F5-BC tag actually goes the opposite direction apparently. So, question 1: can galaxy figure this out?

    Next, I've done a trial run with this data and gone through to cuffcompare without problems although I couldn't get cuffdiff to run within galaxy. No biggie, though because I could run it in the terminal. Sweet. But I have a question about the output. When I look at the gene expression file, in sample1 and sample2 columns there are codes ranging from q1-q5. What do these mean? I'm only comparing one sample with another sample and don't really get what is going on here.

    Any advice would be greatly appreciated.

    S
  • yaira04
    Junior Member
    • Aug 2011
    • 5

    #2
    About your first question - I'm trying to figure it out my self...
    It seems that Galaxy can only handle mate-paired or single-pair reads, but not paired-ends....

    Does anyone know how can I handle a paired-end reads in Galaxy - and if I can't - how can I convert the reads to fastq format (isn't solid2fastq.pl works only for single-pair/mate-pair?), so that I could upload the files to Galaxy and keep my pipeline?
    Thanks!

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