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Int. J. Environ. Res. Public Health 2010, 7(10), 3804-3815; doi:10.3390/ijerph7103804
Article

Effects of Various Doses of Selenite on Stinging Nettle (Urtica dioica L.)

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1 Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic 2 Department of Natural Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences, Palackeho 1-3, CZ-612 42 Brno, Czech Republic 3 Department of Veterinary Ecology and Environmental Protection, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences, Palackeho 1-3, CZ-612 42 Brno, Czech Republic 4 Department of Plant Biology, Faculty of Agronomy, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic
* Author to whom correspondence should be addressed.
Received: 30 August 2010 / Revised: 14 September 2010 / Accepted: 2 October 2010 / Published: 22 October 2010
(This article belongs to the Special Issue Advances in Environmental Biology)
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Abstract

The aim of this study was to investigate the effects of selenium (Se) on the growth, accumulation and possible mechanisms of Se transport in certain parts (roots, leaves, stamp and apex) of nettle (Urtica dioica L.) plants. Se was supplemented by one-shot and two repeated doses to the soil (2.0 and 4.0 mg Se per kg of substrate). Selenium content in roots increased linearly with dose and was significantly higher compared to other plant parts of interest. However, growth of the above-ground parts of plant as well as roots was slightly inhibited with increasing selenium concentration in comparison to the untreated plants. The content of phytochelatin2, a low molecular mass peptide containing a sulfhydryl group, correlated well with the Se content. This suggests a possible stimulation of synthesis of this plant peptide by Se.
Keywords: graphite furnace atomic absorption spectrometry; high performance liquid chromatography with electrochemical detection; plant tissues; heavy metal; plant; nettle; selenium graphite furnace atomic absorption spectrometry; high performance liquid chromatography with electrochemical detection; plant tissues; heavy metal; plant; nettle; selenium
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Krystofova, O.; Adam, V.; Babula, P.; Zehnalek, J.; Beklova, M.; Havel, L.; Kizek, R. Effects of Various Doses of Selenite on Stinging Nettle (Urtica dioica L.). Int. J. Environ. Res. Public Health 2010, 7, 3804-3815.

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