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Evolution of metal hyperaccumulation required cis-regulatory changes and triplication of HMA4

Evolution of metal hyperaccumulation required cis-regulatory changes and triplication of HMA4 Strains of the model plant Arabidopsis vary in their ability to thrive in heavy-metal environments, presumably due to adaptations throughout evolution. Hanikenne et al. demonstrate that the strain A. halleri has accumulated multiple copies of the gene HMA4 and changes to the regulatory elements for these genes enable A. halleri to survive in extreme conditions. Their results should be useful in bioremediation for metal-contaminated soils. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Springer Journals

Evolution of metal hyperaccumulation required cis-regulatory changes and triplication of HMA4

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References (53)

Publisher
Springer Journals
Copyright
Copyright © 2008 by Nature Publishing Group
Subject
Science, Humanities and Social Sciences, multidisciplinary; Science, Humanities and Social Sciences, multidisciplinary; Science, multidisciplinary
ISSN
0028-0836
eISSN
1476-4687
DOI
10.1038/nature06877
Publisher site
See Article on Publisher Site

Abstract

Strains of the model plant Arabidopsis vary in their ability to thrive in heavy-metal environments, presumably due to adaptations throughout evolution. Hanikenne et al. demonstrate that the strain A. halleri has accumulated multiple copies of the gene HMA4 and changes to the regulatory elements for these genes enable A. halleri to survive in extreme conditions. Their results should be useful in bioremediation for metal-contaminated soils.

Journal

NatureSpringer Journals

Published: Apr 20, 2008

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