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Reads metadata from Integrated Microbial Genomes (IMG) metadata files into a programmaticly useful state.
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 Dependencies

Development

>= 1.4.2
>= 1.0.21
~> 1.8.4
~> 3.12
~> 2.8.0
 Project Readme

bio-img_metadata

Build Status

Reads metadata from Integrated Microbial Genomes (IMG) metadata files. Metadata files are generated by searching for one or more taxons, and then exporting various/all genome-specific characters e.g. kingdom, genus, temperature range, taxon identifier, etc.

Installation

gem install bio-img_metadata

Usage

require 'bio-img_metadata'

d = Bio::IMG::Metadata.read(File.join DATA_DIR, 'head.metadata.csv') #=> an Array of Bio::IMG::Metadata objects

d.length.should == 9 #=> The array has 9 members, one for each line in the metadata file
d[0].kind_of?(Bio::IMG::Lineage).should == true #=> Each lineage's object

d[0].domain.should == 'Archaea' #=> some attributes are now methods (mostly the taxonomy-related ones)
d[1].taxon_id.should == 2515075008

d[0].attributes['Status'].should == 'Finished' #=> the rest are in the attributes array

How to get the metadata file

Go to IMG > Genome Browser: http://img.jgi.doe.gov/cgi-bin/w/main.cgi?section=TaxonList&page=taxonListAlpha

In the Table Configuration section:

  • Genome Field > Click All
  • Project Metadata > Click All
  • Data Statistics > Click All

Click Display Genomes Again. In the Genome Browser section > Click Select All. Finally, click the Export button.

PS/ Don't trust the IMG metadata too much. There are some big mistakes, e.g. in the 16S copy number

PS2/ What have I done to create the FIXED metadata?

  • I have deleted two occurences of "\r" (^M) by ""
  • taxonoid 2515154013 has two extra fields: remove the two cells containing "Human wound, cranian"
  • Replace cells containing "-1" by ""
  • Replaced 'Marine archaeal group 1 BG20 (Nitrosoarchaeum limnia BG20)' by 'Nitrosoarchaeum limnia BG20'

(Download instructions kindly contributed by @fangly / Florent Angly)

Project home page

Information on the source tree, documentation, examples, issues and how to contribute, see

http://github.com/wwood/bioruby-img_metadata

The BioRuby community is on IRC server: irc.freenode.org, channel: #bioruby.

Cite

If you use this software, please cite one of

Biogems.info

This Biogem is published at (http://biogems.info/index.html#bio-img_metadata)

Copyright

Copyright (c) 2013 Ben J. Woodcroft. See LICENSE.txt for further details.