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Expression analysis of KRP5 in the root. GUS-GFP was driven by the promoter of KRP5. (A) In general, KRP5 is expressed in the RAM and in the stele of the mature root. (B, E) Accumulation of GFP and GUS activity is highest in epidermal and cortical cells in the apex of the RAM. (C, F) Expression is maintained at a lower level in the elongation zone. (D, G) KRP5 expression is restricted to the stele outside the elongation zone.
