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Ecophysiological tolerance of Elodea canadensis to nickel exposure.
Chemosphere. 2009 Oct; 77(3):392-8.C

Abstract

Biological accumulation of nickel and concomitant ecophysiological responses were studied in the leaves of Elodea canadensis treated with different concentrations of Ni (1-50 microM) for 5d. In low concentrations nickel was accumulated mainly in the soluble protein fraction, which correlated with its highest observed accumulation coefficient. In higher concentrations, Ni binding in the non-protein soluble fraction was observed. The effects of increasing nickel concentrations on the accumulation of photosynthetic pigments, gas exchange rates, lipid peroxidation, biosynthesis of thiol-containing compounds and the activity of selected enzymes--markers of oxidative stress were investigated. The appearance of several new polypeptides with apparent molecular weights below 20 kDa, was found by SDS-PAGE in Ni-treated Elodea leaves. Our results indicate that Ni, in concentrations up to 10 microM could induce sub-lethal oxidative stress in Elodea leaves. In response, plants developed detoxification mechanisms including an enhanced biosynthesis of thiol-containing compounds which facilitated Ni accumulation and sequestration in plant tissues effectively. Hence, E. canadensis could be used in the biological removal of Ni from polluted water up to 10 microM concentration.

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Authors+Show Affiliations

Maleva MG
Department of Plant Physiology and Biochemistry, M. Gorky Ural State University, Lenin Av. 51, Ekaterinburg 620000, Russia.
Nekrasova GF
No affiliation info available
Malec P
No affiliation info available
Prasad MN
No affiliation info available
Strzałka K
No affiliation info available

MeSH

BiomarkersChlorophyllEnvironmental ExposureHydrocharitaceaeLipid PeroxidationNickelOxidative StressPeptidesPhotosynthesisPlant LeavesPlant ProteinsSoil Pollutants

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

19692109

Citation

Maleva, Maria G., et al. "Ecophysiological Tolerance of Elodea Canadensis to Nickel Exposure." Chemosphere, vol. 77, no. 3, 2009, pp. 392-8.
Maleva MG, Nekrasova GF, Malec P, et al. Ecophysiological tolerance of Elodea canadensis to nickel exposure. Chemosphere. 2009;77(3):392-8.
Maleva, M. G., Nekrasova, G. F., Malec, P., Prasad, M. N., & Strzałka, K. (2009). Ecophysiological tolerance of Elodea canadensis to nickel exposure. Chemosphere, 77(3), 392-8. https://doi.org/10.1016/j.chemosphere.2009.07.024
Maleva MG, et al. Ecophysiological Tolerance of Elodea Canadensis to Nickel Exposure. Chemosphere. 2009;77(3):392-8. PubMed PMID: 19692109.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Ecophysiological tolerance of Elodea canadensis to nickel exposure. AU - Maleva,Maria G, AU - Nekrasova,Galina F, AU - Malec,Przemysław, AU - Prasad,M N V, AU - Strzałka,Kazimierz, Y1 - 2009/08/18/ PY - 2008/11/24/received PY - 2009/06/23/revised PY - 2009/07/13/accepted PY - 2009/8/21/entrez PY - 2009/8/21/pubmed PY - 2009/10/7/medline SP - 392 EP - 8 JF - Chemosphere JO - Chemosphere VL - 77 IS - 3 N2 - Biological accumulation of nickel and concomitant ecophysiological responses were studied in the leaves of Elodea canadensis treated with different concentrations of Ni (1-50 microM) for 5d. In low concentrations nickel was accumulated mainly in the soluble protein fraction, which correlated with its highest observed accumulation coefficient. In higher concentrations, Ni binding in the non-protein soluble fraction was observed. The effects of increasing nickel concentrations on the accumulation of photosynthetic pigments, gas exchange rates, lipid peroxidation, biosynthesis of thiol-containing compounds and the activity of selected enzymes--markers of oxidative stress were investigated. The appearance of several new polypeptides with apparent molecular weights below 20 kDa, was found by SDS-PAGE in Ni-treated Elodea leaves. Our results indicate that Ni, in concentrations up to 10 microM could induce sub-lethal oxidative stress in Elodea leaves. In response, plants developed detoxification mechanisms including an enhanced biosynthesis of thiol-containing compounds which facilitated Ni accumulation and sequestration in plant tissues effectively. Hence, E. canadensis could be used in the biological removal of Ni from polluted water up to 10 microM concentration. SN - 1879-1298 UR - https://www.unboundmedicine.com/medline/citation/19692109/Ecophysiological_tolerance_of_Elodea_canadensis_to_nickel_exposure_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0045-6535(09)00791-7 DB - PRIME DP - Unbound Medicine ER -