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. 2012 Aug 17;13:406. doi: 10.1186/1471-2164-13-406

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Copyright ©2012 Bombarely et al.; licensee BioMed Central Ltd.

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

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Evolutionary rates in Nicotiana genes from different Gene Ontology groups. Non-synonymous: synonymous nucleotide subtraction ratio (ω) values for Nicotiana genes separated according to their Level 2 (A) and Level 3 (B) Biological Process, Level 2 (C) and Level 4 (D) Cellular Component and Level 2 (E) and Level 3 (F) Molecular Function Gene Ontology annotations. Omega values for comparisons between homologous N. sylvesteris and N. tomentosiformis gene pairs (black circles), N. tabacum and N. sylvesteris gene pairs (green circles) and N. tabacum and N. tomentosiformis gene pairs (red circles) are shown.