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  • ClemBuntu
    Member
    • Dec 2014
    • 37

    #1

    Troubles with mrsFAST

    Hello everybody,

    I'm trying to use mrsFast however I get this error :

    ERR: Inconsistent read length for @NS500354:3:H052NAFXX:1:11101:21889:1027

    Of course my reads do not have all the same size because I trimmed it :

    grep -A 1 "@NS500354:3:H052NAFXX:1:11101:21889:1027" *fastq
    allReads_R1.fastq:@NS500354:3:H052NAFXX:1:11101:21889:1027 1:N:0:TAAGGC
    allReads_R1.fastq-NTACANCACTGTGTATGAAACTATGTGCTTAACTTCATGAAATCCTACT
    --
    allReads_R2.fastq:@NS500354:3:H052NAFXX:1:11101:21889:1027 2:N:0:TAAGGC
    allReads_R2.fastq-NNNNAGGATTTCNNNANGTTAAGCACATAGNNNCATACACNGTGTTGTATCTGNNTCTNNNACACATCTGACGCNNNCGNNNNTCTTACGCGTGTAGANNNNNGNGNTCGCCGTATCNTNNANAANAAANGGGGGGGGGGGGGNGNNNNG

    Does this error mean all my reads have to have the same length or am I doing something wrong ?

    Thanks
  • GenoMax
    Senior Member
    • Feb 2008
    • 7142

    #2
    mrsFAST manual indicates that a decision on the window size needs to be made based on the length of the reads. Perhaps for this reason it expects the reads to be of uniform length.

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