Fig. 2From: Characterization, expression patterns and functional analysis of the MAPK and MAPKK genes in watermelon (Citrullus lanatus)Phylogenetic analyses of ClMPKs and ClMKKs with Arabidopsis AtMPKs and AtMKKs. a Phylogenetic tree of ClMPKs. b Phylogenetic tree of ClMKKs. Phylogenetic trees were constructed by Neighbor-joining method using MEGA program and bootstrap values from 100 replicates are indicated at each nodeBack to article page