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Metal resistant plants and phytoremediation of environmental contamination

United States Patent

7,700,827
April 20, 2010
View the Complete Patent at the US Patent & Trademark Office
The present disclosure provides a method of producing transgenic plants which are resistant to at least one metal ion by transforming the plant with a recombinant DNA comprising a nucleic acid encoding a bacterial arsenic reductase under the control of a plant expressible promoter, and a nucleic acid encoding a nucleotide sequence encoding a phytochelatin biosynthetic enzyme under the control of a plant expressible promoter. The invention also relates a method of phytoremediation of a contaminated site by growing in the site a transgenic plant expressing a nucleic acid encoding a bacterial arsenate reductase and a nucleic acid encoding a phytochelatin biosynthetic enzyme.
Meagher; Richard B. (Athens, GA), Li; Yujing (Athens, GA), Dhankher; Om P. (Athens, GA)
The University of Georgia Research Foundation, Inc. (Athens, GA)
10/ 450,731
20050198707
December 13, 2001
ACKNOWLEDGMENT OF FEDERAL RESEARCH SUPPORT This invention was made, at least in part, with funding from the United States Department of Energy (Grant No. DE-FG07-96ER20257). Accordingly, the United States Government has certain rights in this invention