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. 2015 Aug 4;209(1):161–176. doi: 10.1111/nph.13591

Figure 5.

Figure 5

Structure–activity relationship of Phostin (PSN) structural analogues. (a) Chemical structure of PSN structural analogues. In red is drawn the motif corresponding to PSN11. (b) Primary root length of 8 d after germination (dag) Arabidopsis wild‐type seedlings treated with PSN and PSN analogues. (c) Anthocyanins accumulation in leaves of 12 dag seedlings. (d) Starch staining in 12 dag seedlings grown in presence of the indicated PSN analogues. (e) Expression of the indicated promoter‐β‐glucuronidase (GUS) fusion in seedlings. Plants were grown directly on the indicated medium: +phosphate (Pi) dimethyl sulfoxide (DMSO): (a, d) 0.1% or (b, c) 0.25%; +Pi supplemented with (a, d) 10 μM or (b, c) 25 μM of PSN or PSN analogues and −Pi. For (b, c) averages ± SE were calculated from 15 plants for each condition of three independent experiments.