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Cd uptake in wild type and SaPCR2-overexpressed transgenic NHE Sedum alfredii lines (L1 and L2). The plants were cultured in nutrient solution with 10 μM CdCl2 for 5 days, each treatment repeated three times. Error bars are ± SE of n = 3. ∗Indicates significant difference between genotypes (p < 0.05).
