A C-Repeat Binding Factor Transcriptional Activator (CBF/DREB1) from European Bilberry (Vaccinium myrtillus) Induces Freezing Tolerance When Expressed in Arabidopsis thaliana
Figure 5
Effect of Vaccinium CBF overexpression upon Fv/Fm after freezing.
(A) Representative Fluocam images for each transgenic line measured. Before freezing Fv/Fm measurement images (i-iii) for Arabidopsis lines expressing V. uliginosum (i), V. vitis-idaea (ii) and V. myrtillus (iii) CBFs. After freezing Fv/Fm measurement images (iv-vi) for Arabidopsis lines expressing V. uliginosum (iv), V. vitis-idaea (v) and V. myrtillus (vi) CBFs. (B) Average Fv/Fm values for each transgenic line before (white bars) and after (black bars) freezing. Each line is a transgenic Arabidopsis line expressing CBF from a different Vaccinium species: U = V. uliginosum, V = V. vitis-idaea and M = V. myrtillus construct, WT-wild type.