Phylogram of group 3 WRKY genes of Arabidopsis and cucumber. The phylograms were constructed using the neighbor-joining method as implemented in PHYLIP 3.2. Numbers on the left of each internal node represent bootstrap support values (1000 re-sampling); only values exceeding 50% are shown. Numbers on the right of each node represent the nodes that were used for positive selection analysis. Arabidopsis AtWRKY1 was used as an outgroup. The trees represent phylogenetic relationships among (A) AtWRKY proteins and (B) CsWRKY proteins.
Ling et al. BMC Genomics 2011 12:471 doi:10.1186/1471-2164-12-471