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  • townway
    Member
    • May 2009
    • 41

    #1

    Cufflinks parameter optimization

    I used tophat2-cufflinks (latest version) to detect the transcripts and validate by experiments. I found one region (attached file, 100 bp length Hiseq, paired-end, human genome), cufflinks tends to merge the two genes together, which actually they are separated from each other by a small gap (might have several reads mapped). I wonder if there are parameters can control the distance and coverage for merging two closely transcripts.
    the second question, is about the pre-mRNAs, it seems they are really prevalent detected by sequencing, I tried to change “-j/--pre-mrna-fraction ” to remove the two pre-mRNAs in the attached picture, but it did not work. Would you tell me what other options I can use to remove them?
    Thank you so much for your advice.
    Attached Files
  • pbluescript
    Senior Member
    • Nov 2009
    • 224

    #2
    Did you supply Cufflinks with a GTF file using the G or g options?

    Comment

    • townway
      Member
      • May 2009
      • 41

      #3
      yes,I used -g/--GTF-guide

      and also this was aligned by Tophat2.

      Do you have any idea to modify the parameters?
      Thank you in advance

      Originally posted by pbluescript View Post
      Did you supply Cufflinks with a GTF file using the G or g options?

      Comment

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