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. 2019 Jan 18;20(2):414. doi: 10.3390/ijms20020414

Figure 6.

Figure 6

Phylogenetic relationship and motif composition of drought-induced WRKY TFs in P. davidiana: The phylogenetic tree shown was constructed using 45 WRKY (15 each from P. davidiana, Arabidopsis, and rice) protein sequences based on the neighbor-joining method. Evolutionary distances were computed using the Poisson correction method and are displayed as the number of amino acid substitutions per site. All positions containing gaps and missing data were eliminated. Evolutionary analysis was conducted using MEGA 7.0. Structural divergence in motif composition was conducted using MEME (http://meme-suite.org/tools/meme). A total of five motifs were studied. Motif 1 represents the C-terminal WRKY, and Motif 3 represents the N-terminal WRKY domain. The bottom part represents the detailed structure of the studied motifs.