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  • MaSuRCA-Quorum

    I am currently attempting to use MaSuRCA via the superreads.pl script from StringTie.

    I was hoping to understand what is the source of the problem, is it in the superreads.pl or the Quorum part. I am not certain what is the output from this in assemble.sh.

    The error I am having is the following:

    /stringtie-1.0.1/superreads.pl frag_1.fastq frag_2.fastq /MaSuRCA-2.3.2/ -t 24 -j 2000000000 -s 0 -r p1 -f 300 -d 50 -l Superreads.fastq -u not_assembled
    Starting step 1: process input files files....
    Done step 1.
    Starting step 2: prepare files for assembly....
    Running /MaSuRCA-2.3.2//bin/masurca sr_config.txt
    Verifying PATHS...
    jellyfish-2.0 OK
    runCA OK
    createSuperReadsForDirectory.perl OK
    creating script file for the actions...done.
    execute assemble.sh to run the assembly
    Done step 2.
    Starting step 3: run MaSuRCA super-read module....
    [Sat Mar 7 22:16:34 CST 2015] Processing pe library reads
    Average PE read length 101
    choosing kmer size of 33 for the graph
    MIN_Q_CHAR: 33
    [Sat Mar 7 22:16:35 CST 2015] Error correct PE.
    ./assemble.sh: line 87: 15083 Aborted quorum_error_correct_reads -q $((MIN_Q_CHAR + 40)) --contaminant=/MaSuRCA-2.3.2/bin/../share/adapter.jf -m 1 -s 1 -g 1 -a 3 -t 24 -w 10 -e 3 quorum_mer_db.jf p1.renamed.fastq --no-discard -o pe.cor --verbose > quorum.err 2>&1
    Error correction of PE reads failed. Check pe.cor.log.
    Assembly script did not finish running!
    Last edited by Camael; 03-08-2015, 12:44 AM.

  • #2
    Could you find what was the mistake? I'm actually having the same error and I havent found anything about it.

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