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Middle-Cortex Formation Is Regulated by Cellular Redox Status.
Confocal-microscopy images of wild-type (Col) (A, B) and spy-3 roots (C, D), 24h after transfer into water (A, C), 1mM H2O2 (B), or 1mM glutathione (D). The framed areas are shown on the right at a higher magnification. mc, middle cortex; c, cortex; e, endodermis. Bars = 20 μm.
