Figure 1. A genetrap inserted at the TAS3a locus reports activity in the adaxial L1 and L2 layers.
(a) Schematic of tasiRNA biosynthesis from the TAS3 locus. Longitudinal (b) and transverse (c) sections through the shoot apex visualize the activity of a genetrap inserted upstream of the TAS3a locus (GT19682) in the adaxial domain of leaf primordia. “M” marks the shoot meristems, “LP” young leaf primordia.