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Leaf protein concentration in wild type (WT), Pro35S:LeEIL1 (e1 and e13) and Pro35S:ETR1-1 (R8 and R31) Nicotiana sylvestris plants at (A) the onset of flowering, and (B) 15 d after flowering. Leaves were labelled such that leaf 1 is the oldest and leaf 12 the youngest. Values are means ± s.e. (n = 3).
