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. 2018 Jan 16;13(1):e0191308. doi: 10.1371/journal.pone.0191308

Fig 2. The phylogenetic tree of 184 WRKY genes among watermelon (red), Arabidopsis (blue) and cucumber (black).

Fig 2

The domains clustered into three major groups I, II, III, and five subgroups (a, b, c, d, and e) in group II.