Figure 7.

Quantification of sugar export activity of the ossut2 mutant. Histograms show the amount of soluble sugars (total of Suc, Glc, and Fru) detected in the mature leaf blades of 4-week-old plants detached at the end of day and incubated in 15 mm EDTA solution for 16 h under dark conditions. FW, Fresh weight. Black bars, The wild type (WT); white bars, ossut2; light gray bars, Comp-3; dark gray bars, Comp-4. The indicated data are means ± sd from three separate experiments. The statistical significance of correlation coefficients is indicated by the asterisk (P < 0.05).