Brassica juncea Produces a Phytochelatin-Cadmium-Sulfide Complex |
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| Authors: | Speiser D M Abrahamson S L Banuelos G Ow D W |
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| Institution: | U.S. Department of Agriculture/Agricultural Research Service Plant Gene Expression Center, 800 Buchanan St., Albany, California 94710. |
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| Abstract: | Phytochelatins (PCs) are enzymically synthesized peptides produced in higher plants and some fungi upon exposure to heavy metals. We have examined PC production in the Se-tolerant wild mustard Brassica juncea and found that it produces two types of PC-Cd complexes with the same characteristics as those from fission yeast Schizosaccharomyces pombe, including a high molecular weight PC-Cd-sulfide form. |
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