| abstract |
(57) [Problem] To provide a transgenic plant that efficiently absorbs and detoxifies heavy metals such as cadmium, zinc, and copper, and that grows well in an environment contaminated with heavy metals. SOLUTION: A transformed plant or tissue thereof into which a polynucleotide encoding a plant-derived cysteine synthase is introduced, which has high cysteine synthase activity, and has heavy metal tolerance and heavy metal removal ability. |