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  • uselessAl
    Junior Member
    • Apr 2016
    • 4

    #1

    Qiime

    Hello there,
    I am a life sciences masters student trying to get to grips with Qiime analysis. I am currently working with data from the literature (supplementary material) to try and replicate previous studies as a way of learning. I am at the point just before OTU picking. I have overlapped the forward and reverse sequences using join_paired_ends.py and I have manually made a mapping file. I am completely lost as to how to link my sequence data to my mapping file in order to get to the next step. I have completed the Qiime tutorials but this particular issue is not addressed in the tutorials. Any help would be great.
    Cheers
    Al
  • fanli
    Senior Member
    • Jul 2014
    • 197

    #2
    The next step is to demultiplex your joined reads using a separate barcode file. The barcode sequences should match those in your mapping file.

    see http://nbviewer.jupyter.org/github/b...tutorial.ipynb
    Code:
    split_libraries_fastq.py -o slout/ -i forward_reads.fastq.gz -b barcodes.fastq.gz -m map.tsv
    you can replace forward_reads.fastq.gz with the fastq file output from join_paired_ends.py

    Comment

    • uselessAl
      Junior Member
      • Apr 2016
      • 4

      #3
      Excellent, thank you very much for your help.

      Comment

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