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. 2011 Sep 8;6(9):e24356. doi: 10.1371/journal.pone.0024356

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This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration, which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

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From inside to outside: Core Genome, Dispensable Genome, Specific Genome at the phylotype level (blue: phylotype I and III; green: phylotype II; red: phylotype IV), and Specific Genome at the strain level.