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. 2009 Jan 16;37(4):1323–1334. doi: 10.1093/nar/gkn1041

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© 2009 The Author(s)

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 3. — Species composition of orthologous upstream sequence region sets. The upstream regions of C. elegans transcripts were pooled with the upstream regions of their orthologues from the other seven genomes to form orthologous upstream sequence region sets. Only C. elegans transcripts with at least three high-quality orthologues were used, resulting in a total of 3847 sets. Of these, 1027 contained sequence from all four species in genus Caenorhabditis (dark blue), while a total of 2298 of the sets contained sequence from all but one of the four Caenorhabditis species (various shades of light blue). Only 522 of the sets contained sequence from Pristionchus pacificus, Brugia malayi, or Trichinella spiralis; 13 sets contained sequence from all seven species (purple).