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Fig. 6. Effects of mutations in SCAR and ARP2/3 complex subunits on cotyledon
pavement cell shapes. (A) Columbia wild type; (B)
arp2 (wurm) mutant; (C) arpc5 (crk)
mutant; (D) sra1 (pir) mutant; (E)
brk1-1 mutant; (F) arp2;brk1-1 double mutant;
(G) arpc5;brk1-2 double mutant. Arrows and arrowheads indicate
intercellular gaps adjacent to stomata and at other locations, respectively.
Scale bar: 100 µm. (H) Form factors are shown for each genotype
analyzed (n=3-8 plants and 63-317 cells). Error bars illustrate
s.e.m. (where n=number of plants analyzed).