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. 2007 Nov;52(3):391–404. doi: 10.1111/j.1365-313X.2007.03244.x

Figure 4.

Figure 4

Transcript accumulations of maize homologs of RDR2 and VAP in the shoot apical meristem (SAM), inflorescence meristems, and leaf primordia. Fourteen-day-old maize shoot apices were analyzed by in situ hybridization using antisense probes prepared from maize homologs of RDR2 (a–d) and VAP (g, h) cDNA clones. A 21-day-old ear inflorescence apex (e) and a 28-day-old bolting tassel inflorescence (f) were also analyzed for the RDR2 homolog. (a), (b) and (e)–(h) are images of longitudinal sections; (c) and (d) are transverse sections. (b), (d), and (h) are enlarged images of (a), (c), and (g), respectively. Leaf primordia are numbered as described in Figure 1. Red arrowheads demonstrate RDR2 homolog transcript accumulation in leaf primordial margins; red asterisks demonstrate RDR2 homolog mRNA accumulation in the abaxial domains of P4 (4) and P5 (5) leaf primordia. Bar: 100 μm.