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Fig. 1. X-ray irradiation of S. kraussiana var. aurea yields
cell-autonomous sectors. (A) Wild-type +/+ (dark green),
heterozygous au/+ (pale green) and homozygous au/au (white)
plants, and the predicted outcome of X-ray-induced aneuploidy. (B)
Shoot morphology 14 and 21 days after irradiation with 0-100 Gy. (C)
Growth perturbations in plants irradiated at 75 Gy and above. Note
perturbations in leaf shape at high doses (dotted white circles), shoot
termination at 100 Gy (dotted lines) and dark-green sectors (arrowed).
(D-G) Single-cell +/- (D,E) and au/-(F,G) sectors in
the epidermis (E,G) and mesophyll (D,F) layers. Scale bars: D,E,G, 10 µm;
F, 20 µm.
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