Gene Ontology analysis of Nicotiana gene clusters. Plot showing the percentage of Nicotiana gene clusters annotated with level 2 (A) and level 3 (B) Biological Process Gene Ontology terms for all gene clusters and each of the main phylogenetic tree topologies (AB_AC, AB_C, AC_B and BC_A). Bars are coloured according to topology group (see inset key for identification).
Bombarely et al. BMC Genomics 2012 13:406 doi:10.1186/1471-2164-13-406