Fig. 1. Gain of function of NtKIS1a produces serrated leaves, abnormal flowers and reduces plant size. (A) Rosettes from three T1 35S::NtKIS1a independent lines, displaying respectively a weak (a), medium (b) and strong (c) serrated leaf phenotype, are compared with 35S::NtKIS1b (d) or WT (e) rosette. Abnormal flowers from 35S::NtKIS1a line displaying an extreme phenotype (f,g; see text) are compared with WT flower (h). Bars, 5 mm (a-e); 0.5 mm(f-h). (B) The rosette diameter of 24 plants (5-week-old) from 2 weak, 2 medium and 2 strong lines were measured. The graph represents the average diameter ± s.d. (C) Three cases were met according to the number of T2 plants displaying a serrated leaf phenotype in 12 Km^R plants analysed. For each case, a serrated plant is shown. Bar, 10 mm.

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