Fig. 1.

Phenotypes of Arabidopsis 33–4 mutants in response to Cu conditions. (A) Col-0, 33–4 seedlings grown in -Cu or 50 Cu for 10 d. Bar = 1cm. (B) Root lengths of Col-0 and 33–4 seedlings. The primary root lengths of 10-day-old seedlings grown in -Cu, 1 Cu (normal medium), or 50 Cu are expressed as means ± SE (n = 10). Letters represent significant differences at the 0.05 level based on Tukey’s test. (C) Shoot fresh weight of Col-0 and 33–4 seedlings. The shoot fresh weights of 10-day-old seedlings grown in -Cu or 50 Cu are expressed as means ± SE (n = 10). Letters represent significant differences at the 0.05 level based on Tukey’s test.