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Figure 5


Fig. 5. F-actin organization in expanding trichomes fixed and labeled with anti-actin antibody. (A-D) Columbia wild type; (E-G,K) arp2 mutant; (H-J,L) brk1-1. (A,E,H) Stage 3 trichomes; (B,F,I) Stage 4 trichomes; (C,G,J) Stage 5 trichomes. Arrowheads in D,K,L indicate the fine network of transversely aligned cortical F-actin seen in trichomes of all genotypes analyzed. Arrowheads in E,F,H,I show misaligned F-actin bundles. Scale bars: 10 µm.