Rice lines carrying Xa13 Rice lines carrying xa13 5 10 15 20 25 30 35 40 IR24 Minghui 63 IRBB4 IRBB13 Tepa 1 Aus 274 AC19-1-1 Long Grain (35023) Kalimekri 77-5 Control 12 h 24 h 72 h Relative expression level Rice lines carrying Xa13 Rice lines carrying xa13 Supplementary Figure 2. Expression levels of Xa13 and xa13 in the leaves assayed using quantitative RT-PCR. The expression level of xa13 or Xa13 at 12, 24 and 72 h after PXO99 inoculation is calculated relative to the corresponding control (without inoculation). Error bars are standard deviation.