Figure 1From: Characterization of cytokinin signaling and homeostasis gene families in two hardwood tree species: Populus trichocarpa and Prunus persicaUnrooted maximum likelihoodtree of Populus trichocarpa (Pt), Prunus persica (Pp) and Arabidopsis cytokinin oxidase/dehydrogenase ( CKX ) genes coding for enzymes involved in cytokinin catabolism. The tree is based on a deduced amino acid (431 aa) sequence alignment (Additional file 4: Figure S1). Support for each clade is given as ≥50% of bootstrap pseudoreplicates.Back to article page