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  • biom from QIIME to MEGAN

    Greetings all,

    I was wondering if someone could help me with an issue importing a .biom file from QIIME into MEGAN. All works well when I import the OTU table (.biom) initially, however it doesn't work after my manual manipulations of the OTU table... here is my process...

    1. Create OTU table from pick_otus.py and assign_taxonomy.py
    2. Convert the OTU table (.biom) to a tab delimited text file which I manually edited in Excel (some taxonomies were suspect and lacking so I manually edited them based on other BLAST results.
    3. I set up the OTU table to look EXACTLY like the old tab delimited one and convert it back to a .biom file but MEGAN will not import any taxonomic stream or OTU quantities.

    Any help for formatting this correctly to use in MEGAN would be greatly appreciated. I can provide further details if necessary. Thanks.

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