Examination of salt tolerance in OsTRXh1 overexpression and RNAi plants. A, Seedling growth performance of wild-type (WT), OsTRXh1 overexpression (OX), and RNAi plants after transfer to Hoagland liquid medium containing 0 or 100 mm NaCl for 14 d. B, Fresh weight and survival rates of wild-type, OsTRXh1 overexpression, and RNAi seedlings after transfer to Hoagland liquid medium containing 0 or 100 mm NaCl for 14 d. The data represent means ± se of three independent experiments, with 32 seedlings per experiment. Bars with asterisks indicate P < 0.05 versus wild-type seedlings. C, Real-time Q-PCR analysis of the expression levels of stress-responsive genes in wild-type, OsTRXh1 overexpression, and RNAi plants. Total RNA was extracted from leaves of 10-d-old plants grown under normal conditions or treated with 100 mm NaCl for 30 min. Each value represents the mean ± se of three independent experiments. Bars with asterisks indicate P < 0.05 versus wild-type seedlings. [See online article for color version of this figure.]