Strain | FW (g 0.6 L−1) | DW (g 0.6 L−1) |
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Mock | XR | Mock | XR |
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WT | 1.527 ± 0.004 a | 1.688 ± 0.021 a,* | 0.163 ± 0.006 a | 0.187 ± 0.007 a,* |
AtPR1-OE1 | 1.527 ± 0.007 a | 1.720 ± 0.005 ab,* | 0.165 ± 0.008 a | 0.210 ± 0.005 ab,* |
AtPR1-OE2 | 1.522 ± 0.007 a | 1.740 ± 0.009 bc,* | 0.167 ± 0.006 a | 0.212 ± 0.006 b,* |
AtTHI-OE1 | 1.527 ± 0.007 a | 1.765 ± 0.011 bc,* | 0.165 ± 0.006 a | 0.212 ± 0.005 b,* |
AtTHI-OE2 | 1.520 ± 0.007 a | 1.777 ± 0.008 c,* | 0.167 ± 0.006 a | 0.215 ± 0.005 b,* |
- FW: fresh weight; DW: dry weight; WT: wild-type; AtPR1-OE1/2 or AtTHI-OE1/2, transgenic strains overexpressing AtPR1 or AtTHI2.1 proteins; Mock, control; XR, irradiated with X-rays at 6 Gy for the WT or 12 Gy for transgenic strains. Cells were cultivated with an initial optical density of 0.2 measured at 750 nm in 600-mL TAP medium of 1-L flask for 3 days. FW and DW are weights of cells from 600-mL cultures. Data represent the mean ± standard error (n = 6) from three independent experiments. Different letters among strains indicate significant differences at p < 0.05 (one-way analysis of variance, followed by Tukey’s honestly significant difference test). Asterisks indicate significant differences between mock and irradiated samples based on a two-sample independent t-test (p < 0.05)