Please use this identifier to cite or link to this item: http://ri.uaemex.mx/handle20.500.11799/39504
Title: In vitro LEAD AND NICKEL ACCUMULATION IN MESQUITE (Prosopis laevigata) SEEDLINGS
Authors: LETICIA BUENDIA GONZALEZ 
JUAN OROZCO VILLAFUERTE 
MARIA ELENA ESTRADA ZUÑIGA 
CARLOS EDUARDO BARRERA DIAZ 
EDUARDO JAIME VERNON CARTER 
FRANCISCO CRUZ SOSA 
Keywords: Ingeniería;Prosopis laevigata;phytoremediation;bioaccumulation;heavy metals;in vitro culture;info:eu-repo/classification/cti/2
Publisher: Universidad Autónoma Metropolitana Unidad Iztapalapa
Project: http://www.redalyc.org/revista.oa?id=620 
Description: The growth, survival and Pb(II) and Ni(II) uptake of Prosopis laevigata seedlings were determined in order to evaluate their bioaccumulation capability. The seedlings were cultured during 50 days on modied Murashige and Skoog medium supplemented with 10 g.l-1 of sucrose, 0.0, 0.32, 0.63, 1.26, 2.10, 4.20 mM Ni(II), and 0.0, 0.23, 0.45, 0.90, 1.50, 3.0 mM Pb(II). None of the studied heavy metals avoided germination; however, both produced smaller plants with fewer leaves and secondary roots. Seedlings showed an accumulation of 2 582 and 3 895 mg Ni kg-1, and of 27 300 and 40 666 mg Pb kg-1, both in dry basis (d.b.), in shoot and root, when cultured with 1.26 mM Ni and 3.0 mM Pb, respectively. These results indicated that signicant translocation from the roots unto aerial parts took place. A bioaccumulation factor for Ni superior to 32 and for Pb over 21 was exhibited by the seedlings, so that P. laevigata can be considered as a viable accumulator species of Pb(II) and Ni(II) for phytoremediation purposes.
URI: http://ri.uaemex.mx/handle20.500.11799/39504
Other Identifiers: http://hdl.handle.net/20.500.11799/39504
Rights: info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-nd/4.0
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