Fig. 4.
LSU2 is a positive regulator of plant defense against Pseudomonas syringae pv. tomato (Pst) in Arabidopsis. (a, b) Growth of Pst (EV) and Pst (avrRpt2) in the lsu2 mutant plants at 0 and 3 dpi. Error bars represent ±SD of more than six replicates. Similar results were obtained from three independent experiments. **, P < 0.01; *, P < 0.05 (determined by Student’s t-test). (c) Detection of LSU2 mRNA in the Col-0 wild-type (WT) and the atrap mutant plants. Five-week-old Arabidopsis Col-0 WT and the atrap mutant plants were infiltrated with Pst (EV) or Pst (avrRpt2) at a concentration of 2 ×107 CFU ml −1. Total RNAs were extracted from the infiltrated leaves at 8 hpi and subjected to Northern blot analysis.