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. 2012 Jun 28;8(6):e1002789. doi: 10.1371/journal.pgen.1002789

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This is an open-access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose. The work is made available under the Creative Commons CC0 public domain dedication.

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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Species-specific DHS sites were identified by edgeR (Materials and Methods). Boxplots show the distribution of number of reads per sample in 300 bp windows. For human DHS gains (a), the 3 human samples are all significantly more open than the other 2 species. Likewise, human DHS losses (b) show lower signal in human compared to both chimpanzee and macaque. A representative sampling of distributions from all DHS is shown in (c), as well as Common DHS sites (d) found in all three species that are matched for signal intensity compared to human DHS gains and human DHS losses. (e) Distribution of species-specific DHS Gains and DHS Losses relative to promoters, introns, 3′ UTR, and intergenic regions. (f) Representative screen shots of human-specific DHS Gains and Losses compared to a Common region.