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. Author manuscript; available in PMC: 2013 Jun 19.
Published in final edited form as: Nat Genet. 2011 Sep 25;43(11):1160–1163. doi: 10.1038/ng.942

Figure 4.

Figure 4

Constructs and corresponding normalized luciferase expression levels. Transient assays were performed in maize leaf protoplast. Each construct is drawn to scale. The construct backbone consists of the minimal promoter from the cauliflower mosaic virus (mpCaMV, gray box), luciferase ORF (luc, white box) and the nopaline synthase terminator (black box). Portions of the proximal and distal components of the control region (hatched boxes) from maize and teosinte were cloned into restriction sites upstream of the minimal promoter. “Δ” denotes the excision of either the Tourist or Hopscotch element from the maize construct. Horizontal green bars show the normalized mean with s.e.m. for each construct.