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An engineered plant that accumulates higher levels of heavy metals than Thlaspi caerulescens, with yields of 100 times more biomass in mine soils [An article from: Chemosphere]

An engineered plant that accumulates higher levels of heavy metals than Thlaspi caerulescens, with yields of 100 times more biomass in mine soils [An article from: Chemosphere]

enlarge enlarge 		Authors: M. Martinez, P. Bernal, C. Almela, D. Velez, Garci
Publisher: Elsevier
Category: Book

Buy New: $10.95



Format: Html
Media: Digital
Pages: 7

ASIN: B000PA9R0O

Publication Date: June 1, 2006
Availability: Available for download now
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  • Digital - An engineered plant that accumulates higher levels of heavy metals than Thlaspi caerulescens, with yields of 100 times more biomass in mine soils [An article from: Chemosphere]
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This digital document is a journal article from Chemosphere, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

Description:
Nicotiana glauca transformed with TaPCS1 was tested for its application in phytoremediation. When plantlets were grown in mine soils containing Cu, Zn, and Pb (42, 2600, and 1500mgkg^-^1) the plant showed high levels of accumulation especially of Zn and Pb. Adult plants growing in mine soils containing different heavy metal concentrations showed a greater accumulation as well as an extension to a wider range of elements, including Cd, Ni and B. The overexpressed gene confers up to 9 and 36 times more Cd and Pb accumulation in the shoots under hydroponic conditions, and a 3- and 6-fold increase in mining soils. When the hyperaccumulator Thlaspi caerulescens was compared, the results were higher values of heavy metal and Boron accumulation, with a yield of 100 times more biomass. Thlaspi was unable to survive in mining soils containing either a level higher than 11000mgkg^-^1 of Pb and 4500mgkg^-^1 of Zn, while engineered plants yielded an average of 0.5kg per plant.