# HG changeset patch # User maille # Date 1466083395 14400 # Node ID 43b9bf4bc44c8d36edad0aa8597da6551cb550ea # Parent f0601c1f41b69cf8af103caccddc1de9f3f4f7a9 Deleted selected files diff -r f0601c1f41b6 -r 43b9bf4bc44c affiliation_OTU.xml --- a/affiliation_OTU.xml Thu Jun 16 09:21:20 2016 -0400 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,150 +0,0 @@ - - - - Step 4 in metagenomics analysis : Taxonomic affiliation of each OTU's seed by RDPtools and BLAST - - affiliation_OTU.py - --reference $ref_file - --input-biom $biom_abundance - --input-fasta $fasta_sequences - --output-biom $biom_affiliation - --summary $summary - --nb-cpus $nb_cpu - --java-mem $mem - - - - - - - - - - - - - - - - - - - - - - -.. image:: ${static_path}/images/tools/frogs/FROGS_logo.png - :height: 144 - :width: 110 - - -.. class:: infomark page-header h2 - -What it does - -Add taxonomic affiliation in abundance file. - - -.. class:: infomark page-header h2 - -Inputs/outputs - -.. class:: h3 - -Inputs - -**Sequence file**: - -The sequences (format `FASTA <https://en.wikipedia.org/wiki/FASTA_format>`_). - -**Abundance file**: - -The abundance of each OTU in each sample (format `BIOM <http://biom-format.org/>`_). - -.. class:: h3 - -Outputs - -**Abundance file** (tax_affiliation.biom): - - The abundance file with affiliation (format `BIOM <http://biom-format.org/>`_). - -**Summary file** (report.html): - - This file presents the number of sequences affiliated by blast, and the number of multi-affiliation (format `HTML <https://en.wikipedia.org/wiki/HTML>`_). - - .. image:: ${static_path}/images/tools/frogs/FROGS_affiliation_summary.png - :height: 800 - :width: 600 - - -.. class:: infomark page-header h2 - -Reference database - -The databases come from `SILVA <http://www.arb-silva.de/>`_ a comprehensive and quality checked rRNA database. - -FROGS database(s) pre-process: - -1. The non-redondant small sub-unit database is retrieved from SILVA. - -2. This database is processed to keep only the taxonomy level: Domain - Phylum - Class - Order - Family - Genus - Species - -3. The database is splitted in two databses: prokaryote and eukaryote. - - -.. class:: infomark page-header h2 - -How it works - -.. csv-table:: - :header: "Steps", "Description" - :widths: 5, 150 - :class: table table-striped - - "1", "`RDPClassifier <https://rdp.cme.msu.edu/tutorials/classifier/RDPtutorial_RDP_classifier.html>`_ is used with database to associate to each OTU a taxonomy and a bootstrap (example: *Bacteria;(1.0);Firmicutes;(1.0);Clostridia;(1.0);Clostridiales;(1.0);Clostridiaceae 1;(1.0);Clostridium sensu stricto;(1.0);*)." - "2", "`blastn+ <http://blast.ncbi.nlm.nih.gov/>`_ is used to find alignment between each OTU and the database. Only the bests hits with the same score has reported." - "3", "For each OTU with several blastn+ results a consensus is determined on each taxonomic level. If all the taxa in a taxonomic rank are identical the taxon name is reported otherwise *Multi-affiliation* is reported. By example, if you have an OTU with two corresponding sequences, the first is a *Bacteria;Proteobacteria;Gamma Proteobacteria;Enterobacteriales*, the second is a *Bacteria;Proteobacteria;Beta Proteobacteria;Methylophilales*, the consensus will be *Bacteria;Proteobacteria;Multi-affiliation;Multi-affiliation*." - - -.. class:: infomark page-header h2 - -Advices - -This tool can take large time. It is recommended to filter your abundance and your sequence file before this tool (see **FROGS Filters**). - -As you can see the affiliation of each OTU is not human readable in outputed abundance file. We provide a tools to convert these BIOM file in tabulated file, see the **FROGS BIOM to TSV** tool. - - ----- - -**Contact** - -Contacts: frogs@toulouse.inra.fr - -Repository: https://github.com/geraldinepascal/FROGS - -Please cite the FROGS Publication: *Escudie F., Auer L., Bernard M., Cauquil L., Vidal K., Maman S., Mariadassou M., Hernadez-Raquet G., Pascal G., 2015. FROGS: Find Rapidly OTU with Galaxy Solution. In: The environmental genomic Conference, Montpellier, France,* http://bioinfo.genotoul.fr/fileadmin/user_upload/FROGS_2015_GE_Montpellier_poster.pdf - -Depending on the help provided you can cite us in acknowledgements, references or both. - - - 10.1186/1471-2105-10-421 - 10.1128/AEM.00062-07 - -