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Fig. 1. Epidermal phenotypes of pir trichomes, cotyledon pavement cells
and hypocotyls. (A) SEM of developing trichomes on the upper surface of
developing wild-type leaves. (B) SEM of developing trichomes on the upper
surface of pir-3 leaves. (C) SEM of upper surface of 12 DAG (days
after germination) wild-type cotyledon pavement cells. (D) SEM of upper
surface of 12 DAG pir-3 cotyledon pavement cells. (E) Hypocotyl of
dark-grown wild-type seedlings. (F) Hypocotyl of dark-grown pir-3
seedlings (boxed area is enlarged in the inset, which shows a higher
magnification view of the non-adherant cell). (G) Wild-type plant (15 DAG).
(H) pir-3 plant (15 DAG). Numbers in A and B are positioned in the
lower right region of a trichome to indicate the developmental stage. White
arrows indicate the gaps between adjacent pavement cells and black arrows
indicate stomatal pores in C,D. Scale bars: 100 µm in A-F; 1 cm in G,H.
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