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Genetic engineering to enhance mercury phytoremediation

Paper ID Volume ID Publish Year Pages File Format Full-Text
16133 42486 2009 7 PDF Available
Title
Genetic engineering to enhance mercury phytoremediation
Abstract

Most phytoremediation studies utilize merA or merB genes to modify plants via the nuclear or chloroplast genome, expressing organomercurial lyase and/or mercuric ion reductase in the cytoplasm, endoplasmic reticulum or within plastids. Several plant species including Arabidopsis, tobacco, poplar, rice, Eastern cottonwood, peanut, salt marsh grass and Chlorella have been transformed with these genes. Transgenic plants grew exceedingly well in soil contaminated with organic (∼400 μM PMA) or inorganic mercury (∼500 μM HgCl2), accumulating Hg in roots surpassing the concentration in soil (∼2000 μg/g). However, none of these plants were tested in the field to demonstrate real potential of this approach. Availability of metal transporters, translocators, chelators and the ability to express membrane proteins could further enhance mercury phytoremediation capabilities.

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Genetic engineering to enhance mercury phytoremediation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Current Opinion in Biotechnology - Volume 20, Issue 2, April 2009, Pages 213–219
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us