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  • mparida85
    Member
    • Jan 2014
    • 17

    #1

    Tophat 2 renaming the read IDs after mapping

    Hi All
    I am using TopHat v2.0.9.
    After mapping and getting the alignment file .bam I find this following issue:

    Reads in fastq file:
    @HISEQ:77:C4M7KACXX:1:1210:2186:10364 1:N:0:ATCACG
    TGACCAGTATTTACTACACGGAGCGTCGTTGAAGTCCCCGAGTCTGTAACGAATGCATTCTTCGACTCCTTGAGCGTCATTTGGCTCGTCA
    +
    HFHJJJJFFHIJIJJJJJJIIGJJJIFHIJJJJJIIJJJIIHHHHHFFFFFDDDDDDEEDEEDDD?BDDDDDDCCDDDDDDEACDDDDBBB

    @HISEQ:77:C4M7KACXX:1:1210:2156:10434 1:N:0:ATCACG
    TCTGAGACAGAGGTGAAGTTCCAGTCGGAGATTTGGTGCTGGATACGACCGTTACCGTAAGAGGCAGCGAAAATTCGAGCGTCGTAGGTGT
    +
    HHHJJJJIJJJJJCHJIIJJJJJJHIJIHIHIJJIIHIJJJJIIIIJJIJHHHFFFDDDDBDCDDBDDDDDDDDDDDECDDDBB<BDDCC@

    Reads in bam file:

    HISEQ:77:C4M7KACXX:1:1210:2186:10364 73 scaffold_183 916 50 91M * 0 0 TCTGAGACAGAGGTGAAGTTCCAGTCGGAGATTTGGTGCTGGATACGACCGTTACCGTAAGAGGCAGCGAAAATTCGAGCGTCGTAGGTGT HHHJJJJIJJJJJCHJIIJJJJJJHIJIHIHIJJIIHIJJJJIIIIJJIJHHHFFFDDDDBDCDDBDDDDDDDDDDDECDDDBB<BDDCC@ AS:i:0 XN:i:0 XM:i:0 XO:i:0 XG:i:0 NM:i:0 MD:Z:91 YT:Z:UU NH:i:1

    HISEQ:77:C4M7KACXX:1:1210:2186:10364 83 scaffold_18 355289 50 91M = 355221 -159 TGACGAGCCAAATGACGCTCAAGGAGTCGAAGAATGCATTCGTTACAGACTCGGGGACTTCAACGACGCTCCGTGTAGTAAATACTGGTCA BBBDDDDCAEDDDDDDCCDDDDDDB?DDDEEDEEDDDDDDFFFFFHHHHHIIJJJIIJJJJJIHFIJJJGIIJJJJJJIJIHFFJJJJHFH AS:i:0 XN:i:0 XM:i:0 XO:i:0 XG:i:0 NM:i:0 MD:Z:91 YT:Z:UU NH:i:1

    Read IDs are getting substituted for no reason.
    This makes no sense.
    Rocky
    Last edited by mparida85; 12-04-2014, 09:00 AM.
  • mparida85
    Member
    • Jan 2014
    • 17

    #2
    Ok so TopHat 2.0.10 release 11/13/2013 claims :
    Fixed a bug that could sometimes incorrectly rename the reads in the output alignments.
    I am going to give this a try and repost again for anyone who is interested.

    Comment

    • mparida85
      Member
      • Jan 2014
      • 17

      #3
      TopHat v2.0.13 fixed this issue.

      Comment

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