Fig. 6

Overexpression of ZmGPDH1 maintains the redox homeostasis under salt and osmotic stresses. a NADH contents, NAD⁺ contents, NADH/NAD⁺ ratios; b ASA contents, DHA contents, ASA/DHA ratios; c GSH contents, GSSG contents, GSH/GSSG ratio in 3-week-old WT, atgpdhc2, COM-1, COM-2, OE-1 and OE-2 seedlings irrigated with water (control), 400 mM mannitol and 200 mM NaCl every 3 days for 6 days. Asterisks indicated significant differences from the WT by Student′s t-test (*P < 0.05, ** P < 0.01)