biologia plantarum

International journal on Plant Life established by Bohumil Nģmec in 1959

Biologia plantarum 49:237-245, 2005 | DOI: 10.1007/s10535-005-7245-7

Cadmium uptake, localization and detoxification in Zea mays

M. Wójcik1, A. Tukiendorf1
1 Department of Plant Physiology, Institute of Biology, Maria Curie-Sk³odowska University, Lublin, Poland

Cadmium uptake, translocation and localization in maize roots and shoots at the tissue and cellular level were investigated. Metal accumulation in plant organs as well as symptoms of Cd toxicity were closely correlated with an increase in Cd concentration applied (5 - 300 μM). Most of the metal taken up was retained in roots, mainly inside the cells of endodermis, pericycle and central cylinder parenchyma. Accumulation of phytochelatins and related peptides also depended on Cd concentration in the nutrient solution.

Keywords: energy dispersive X-ray microanalysis; maize; phytochelatins
Subjects: cadmium, uptake, localization, detoxification; heavy metals; maize, cadmium uptake, localization, detoxification; nutrient medium Hoagland and Arnon; peptides, cadmium; phytochelatins; root, cadmium, maize; Zea mays

Received: October 31, 2003; Accepted: June 17, 2004; Published: June 1, 2005  Show citation

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Wójcik, M., & Tukiendorf, A. (2005). Cadmium uptake, localization and detoxification in Zea mays. Biologia plantarum, 49(2), 237-245. doi: 10.1007/s10535-005-7245-7
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