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. 2014 Dec 1;167(1):273–286. doi: 10.1104/pp.114.250837

Figure 1.

Figure 1.

BTS expression throughout plant development. A and B, GUS activity in roots (A) and shoots (B) of 7-d-old wild-type ecotype Columbia (Col-0) seedlings grown on +Fe medium for 4 d and then transferred to ±Fe medium for 3 d expressing ProBTS::GUS. The results shown are representative of three independent lines. C, GUS activity in leaves from 4-week-old soil-grown plants. Arrows indicate youngest to oldest. D to G, GUS activity in flower (D), young silique (E), mature green silique (F), and mature embryo (G). Bars = 100 μm (A), 5 mm (B–F), and 2 mm (G).