Figure 4. Effects of different carbohydrates on the expression of hrpX, hrpG and fbaB in X. oryzae pv. oryzicola.
RNAs were isolated from cultures of the wild-type RS105 strain and the fbaB deletion mutant RΔfbaB grown in NY medium alone and NY supplemented with 0.5% of various carbohydrates for 16 h. The relative mRNAs levels of hrpX, hrpG and fbaB genes were calculated by real-time quantitative RT-PCR with respect to the level of the corresponding transcript in the wild-type RS105 cultured in NY medium alone. Data presented are the means ± SD of triplicate measurements from a representative experiment; similar results were obtained in two other independent experiments.