Table 1. Concentration of ascorbic acid (ASA), reduced (GSH) and oxidized (GSSG) glutathione (in nmol g-1 FW) measured by HPLC-ESI-TOFMS, and glutathione redox ratio %GSSG [GSSG/(GSH + GSSG)] x 100] in wild type (Col-0), cad2-1, pad2-1, rax1-1 and cad1-3 Arabidopsis thaliana treated with 0 and 3 µM Hg for 72 h. Different letters in the same column denote significant differences between treatments and genotypes at p < 0.05 (n = 4) Table 1. Concentration of ascorbic acid (ASA), reduced (GSH) and oxidized (GSSG) glutathione (in nmol g-1 FW) measured by HPLC-ESI-TOFMS, and glutathione redox ratio %GSSG [GSSG/(GSH + GSSG)] x 100] in wild type (Col-0), cad2-1, pad2-1, rax1-1 and cad1-3 Arabidopsis thaliana treated with 0 and 3 µM Hg for 72 h. Different letters in the same column denote significant differences between treatments and genotypes at p < 0.05 (n = 4) Table 1. Concentration of ascorbic acid (ASA), reduced (GSH) and oxidized (GSSG) glutathione (in nmol g-1 FW) measured by HPLC-ESI-TOFMS, and glutathione redox ratio %GSSG [GSSG/(GSH + GSSG)] x 100] in wild type (Col-0), cad2-1, pad2-1, rax1-1 and cad1-3 Arabidopsis thaliana treated with 0 and 3 µM Hg for 72 h. Different letters in the same column denote significant differences between treatments and genotypes at p < 0.05 (n = 4) Table 1. Concentration of ascorbic acid (ASA), reduced (GSH) and oxidized (GSSG) glutathione (in nmol g-1 FW) measured by HPLC-ESI-TOFMS, and glutathione redox ratio %GSSG [GSSG/(GSH + GSSG)] x 100] in wild type (Col-0), cad2-1, pad2-1, rax1-1 and cad1-3 Arabidopsis thaliana treated with 0 and 3 µM Hg for 72 h. Different letters in the same column denote significant differences between treatments and genotypes at p < 0.05 (n = 4) Table 1. Concentration of ascorbic acid (ASA), reduced (GSH) and oxidized (GSSG) glutathione (in nmol g-1 FW) measured by HPLC-ESI-TOFMS, and glutathione redox ratio %GSSG [GSSG/(GSH + GSSG)] x 100] in wild type (Col-0), cad2-1, pad2-1, rax1-1 and cad1-3 Arabidopsis thaliana treated with 0 and 3 µM Hg for 72 h. Different letters in the same column denote significant differences between treatments and genotypes at p < 0.05 (n = 4) Table 1. Concentration of ascorbic acid (ASA), reduced (GSH) and oxidized (GSSG) glutathione (in nmol g-1 FW) measured by HPLC-ESI-TOFMS, and glutathione redox ratio %GSSG [GSSG/(GSH + GSSG)] x 100] in wild type (Col-0), cad2-1, pad2-1, rax1-1 and cad1-3 Arabidopsis thaliana treated with 0 and 3 µM Hg for 72 h. Different letters in the same column denote significant differences between treatments and genotypes at p < 0.05 (n = 4) Table 1. Concentration of ascorbic acid (ASA), reduced (GSH) and oxidized (GSSG) glutathione (in nmol g-1 FW) measured by HPLC-ESI-TOFMS, and glutathione redox ratio %GSSG [GSSG/(GSH + GSSG)] x 100] in wild type (Col-0), cad2-1, pad2-1, rax1-1 and cad1-3 Arabidopsis thaliana treated with 0 and 3 µM Hg for 72 h. Different letters in the same column denote significant differences between treatments and genotypes at p < 0.05 (n = 4)
ASA GSH GSSG %GSSG
SHOOTS Control Col-0 4777.77a ± 286.32 284.33a ± 27.35 6.63a ± 2.16 2.3
cad2-1 5897.23a ± 1719.75 37.12b ± 14.31 1.22c ± 0.31 3.2
pad2-1 5413.97a ± 840.92 13.49b ± 3.62 0.87c ± 0.37 6.0
rax1-1 5472.31a ± 663.86 55.41b ± 3.55 3.66b ± 0.56 6.2
cad1-3 4595.73a ± 291.22 312.09a ± 32.47 6.10a ± 1.18 1.9
3 µM Hg Col-0 6232.62a ± 1890.08 281.16a ± 43.41 9.25a ± 1.33 3.2
cad2-1 11718.71b ± 1650.06 51.41b ± 18.09 1.67c ± 0.34 3.1
pad2-1 11882.27b ± 1126.86 21.08b ± 5.80 1.37c ± 0.82 6.1
rax1-1 10728.59b ± 1149.24 145.62c ± 26.91 6.65a ± 1.48 4.4
cad1-3 10399.66b ± 1413.69 406.59d ± 32.64 12.83b ± 1.50 3.1
ROOTS Control Col-0 1388.48a ± 256.64 195.78a ± 34.61 7.40a ± 0.99 3.6
cad2-1 1336.04a ± 49.52 44.62cd ± 10.28 1.99c ± 0.61 4.3
pad2-1 1357.04a ± 260.35 14.09d ± 1.65 0.93c ± 0.33 6.2
rax1-1 1302.52a ± 25.00 55.38c ± 3.49 3.71bc ± 1.48 6.3
cad1-3 1553.45b ± 62.04 280.14ab ± 5.50 11.19b ± 0.88 3.8
3 µM Hg Col-0 1276.32a ± 225.05 145.56a ± 7.44 4.24a ± 0.99 2.8
cad2-1 1796.90b ± 194.19 82.48c ± 30.96 2.91ab ± 0.23 3.4
pad2-1 1707.96b ± 125.50 63.68c ± 11.38 2.92ab ± 0.60 4.4
rax1-1 1924.59b ± 92.65 170.52d ± 18.48 6.84a ± 1.52 3.9
cad1-3 1474.29ab ± 129.65 513.82b ± 46.85 25.03d ± 0.34 4.6