Figure 7.

Analysis of rhizobia infection of CIP73 RNAi hairy roots. A to D, Histochemical staining of lacZ-labeled M. loti strain to follow the infection events at 7 d post inoculation. Representative ITs observed in vector control roots (A) and CIP73 RNAi-1 roots (B–D) are shown (blue). Arrows indicate the cellular localization of IT ends. E, Frequencies of the infection events per root. The data are presented as 15 individual transgenic plants for each construct and randomly scored in four roots between 4 to 6 cm per plant. Different letters above the bars indicate significant differences (P < 0.05, t test) between pairwise comparisons. Bars = 50 μm for A and 25 μm for B to D. [See online article for color version of this figure.]