Figure 3.

Uncoupled Decrease in HIR Compared with VLFR and LFR after Deletion of a Lhcb1*2 Promoter in Transgenic Tobacco Seedlings.

(A) Promoter deletion from −453 to −134 eliminates the HIR. Etiolated seedlings were exposed to hourly pulses of FR light, hourly pulses of R light, or continuous FR light. Data are means ±se of six to eight independently transformed tobacco lines. For each line, activity was normalized to the values observed under R light pulses.

(B) Comparative effects on VLFR, LFR, and HIR, calculated as described in Figure 2C.

(C) Data corresponding to single representative transgenic lines (average of three replicate samples ±se). 4-MU, 4-methylumbelliferone.