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Cell cycle control in the leaf epidermis. A, Schematic of core cell cycle components regulating mitosis (top) and endoreduplication (bottom). Endoreduplication is a truncated, alternate version of mitosis maintained by high CKI activity. B, Schematic of cell cycle integration with trichome (magenta, left), pavement cell (gray, center), and stoma (right, green) developmental pathways. See the text for specific details.
