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. 2021 Apr 29;22(9):4731. doi: 10.3390/ijms22094731

Figure 5.

Figure 5

(A) Output of MEME analysis of the full known type B ARRs that bind co-activator DELLA (ARR1,ARR2,ARR14) in Arabidopsis and related species as well as ARR10 and ARR12, which are known to be active in the root prior to significant DELLA presence. Three domains are found on the N-terminal half of the sequence, while DELLA is known to bind the C-terminal half of the sequence. (B) MEME analysis of sequences from A where the first 260 amino acids were excised. ARR12 and ARR10 have two conserved domains that ARR1, ARR2, and ARR14 lack in the region where DELLA is known to binds. (C) Meristem cell number trajectories for various ARR12 and ARR1 expression levels compared to WT. (D) Meristem cell number trajectories for simulations where either ARR12 is expressed form 36 hpg and ARR1 is expressed form 5 dpg (black and gray) ARR12 is delayed to 5dpg along with ARR1 (lightblue), ARR1 is expressed from 36 hpg along with ARR12 (purple and pink).