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Phenotypic analysis of wild-type and ZntA-transgenic plants grown in Pb-tartarate or CdCl2-containing one-half Murashige and Skoog medium for 2 weeks. A, Fresh weights. B, Chlorophyll contents. The extract solution (ES) consisted of 20 mg of leaves boiled in 1 mL of ethanol. C, Pb (left) and Cd (right) contents of shoots measured using atomic absorption spectrometer. DW, Dry weight. The average of six independent experiments is shown. Error bars represent se.
