PnLRR-RLK27 enhances the oxidative tolerance and salt tolerance by promoting ROS-scavenging capacity and the expression levels of antioxidative-responsive genes in transgenic <i>Arabidopsis</i>.

<p>(A) The main root of transgenic lines were significantly longer than that of the control plants after 0.5 μM and 1.0 μM H₂O₂ treatment (10 days' seed germination). (B) Statistical analysis of the transgenic <i>Arabidopsis</i> seedling root length shown in (A). (C) Statistical analysis of the transgenic <i>Arabidopsis</i> seedling lateral root numbers shown in (A). (D) H₂O₂ levels of <i>Arabidopsis</i> by DAB staining in 4-week-old <i>Arabidopsis</i> plants after 200 mM NaCl treatment for 24 h. (E)and (F) POD and SOD activities in 4 week-old <i>Arabidopsis</i> plants after 200 mM NaCl treatment for 24 h. (G) the MDA levels in plants in 4-week-old <i>Arabidopsis</i> plants after 200 mM NaCl treatment for 24 h. (H) The content of proline in 2-week-old <i>Arabidopsis</i> seedlings after 200 mM NaCl treatment for 2 h. (I, J, K and L) The expression levels of antioxidative-responsive genes in 2-week-old <i>Arabidopsis</i> seedlings after 200 mM NaCl treatment for 2 h. Data are presented as means ±SE, and asterisks (*) indicate significant differences of means between the transgenic lines and the WT plants (<i>P</i><0.05). <i>Bar</i> 10 mm.