Fig. 5.
Profiling the phytochelatin (PC) content (see key) in four Arabidopsis thaliana genotypes (wild-type, cad2-1, vtc1-1 and cad2-1 vtc1-1) in roots exposed to 0, 1 or 5 μm CdSO4 for 72 h in hydroponics (n = 4). Thiol content is expressed in GSH equivalents (nmol g–1 f. wt).