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Effects of heavy metals on the nitrogen metabolism of the aquatic moss Fontinalis antipyretica L. ex Hedw. A 15N tracer study.
Environ Sci Pollut Res Int. 2002; 9(6):417-21.ES

Abstract

The assessment of pollution in aquatic systems necessitates an accurate indication of toxicity of heavy metals for organisms and ecosystems. We used the stable nitrogen isotope 15N to estimate the influence of the heavy metals Cd, Pb and Zn on the synthesis of nitrogen-containing fractions in the aquatic moss Fontinalis antipyretica. This method permits conclusions concerning inhibitory effects of these heavy metals on the assimilation of nitrogen and the biosynthesis of amino acids and proteins. The moss was exposed to metal concentrations of 25-500 microM over a period of 5-10 days. 15N abundance of exposed plants was compared with that of control plants. Similar to a loss of vitality determined using a fluorometric assay, a decrease of the 15N abundance in the N fractions of Fontinalis antipyretica was measured in dependence on the metal concentration. Nevertheless, the individual inhibition by the distinct metals was different, so that the following order of toxicity was derived: Cd >> Pb > Zn.

Authors+Show Affiliations

Sutter K
Dept. of Biochemistry, Div. of Ecological and Plant Biochemistry, Martin-Luther University, Halle-Wittenberg, Kurt-Mothes-Str. 3, D-06120 Halle, Germany.
Jung K
No affiliation info available
Krauss GJ
No affiliation info available

MeSH

Amino AcidsBryopsidaCadmiumDose-Response Relationship, DrugEnvironmental MonitoringLeadMetals, HeavyNitrogenNitrogen IsotopesPlant ProteinsWater Pollutants, ChemicalZinc

Pub Type(s)

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

Language

eng

PubMed ID

12515351

Citation

Sutter, Kristin, et al. "Effects of Heavy Metals On the Nitrogen Metabolism of the Aquatic Moss Fontinalis Antipyretica L. Ex Hedw. a 15N Tracer Study." Environmental Science and Pollution Research International, vol. 9, no. 6, 2002, pp. 417-21.
Sutter K, Jung K, Krauss GJ. Effects of heavy metals on the nitrogen metabolism of the aquatic moss Fontinalis antipyretica L. ex Hedw. A 15N tracer study. Environ Sci Pollut Res Int. 2002;9(6):417-21.
Sutter, K., Jung, K., & Krauss, G. J. (2002). Effects of heavy metals on the nitrogen metabolism of the aquatic moss Fontinalis antipyretica L. ex Hedw. A 15N tracer study. Environmental Science and Pollution Research International, 9(6), 417-21.
Sutter K, Jung K, Krauss GJ. Effects of Heavy Metals On the Nitrogen Metabolism of the Aquatic Moss Fontinalis Antipyretica L. Ex Hedw. a 15N Tracer Study. Environ Sci Pollut Res Int. 2002;9(6):417-21. PubMed PMID: 12515351.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effects of heavy metals on the nitrogen metabolism of the aquatic moss Fontinalis antipyretica L. ex Hedw. A 15N tracer study. AU - Sutter,Kristin, AU - Jung,Klaus, AU - Krauss,Gerd-Joachim, PY - 2003/1/8/pubmed PY - 2003/1/29/medline PY - 2003/1/8/entrez SP - 417 EP - 21 JF - Environmental science and pollution research international JO - Environ Sci Pollut Res Int VL - 9 IS - 6 N2 - The assessment of pollution in aquatic systems necessitates an accurate indication of toxicity of heavy metals for organisms and ecosystems. We used the stable nitrogen isotope 15N to estimate the influence of the heavy metals Cd, Pb and Zn on the synthesis of nitrogen-containing fractions in the aquatic moss Fontinalis antipyretica. This method permits conclusions concerning inhibitory effects of these heavy metals on the assimilation of nitrogen and the biosynthesis of amino acids and proteins. The moss was exposed to metal concentrations of 25-500 microM over a period of 5-10 days. 15N abundance of exposed plants was compared with that of control plants. Similar to a loss of vitality determined using a fluorometric assay, a decrease of the 15N abundance in the N fractions of Fontinalis antipyretica was measured in dependence on the metal concentration. Nevertheless, the individual inhibition by the distinct metals was different, so that the following order of toxicity was derived: Cd >> Pb > Zn. SN - 0944-1344 UR - https://www.unboundmedicine.com/medline/citation/12515351/Effects_of_heavy_metals_on_the_nitrogen_metabolism_of_the_aquatic_moss_Fontinalis_antipyretica_L__ex_Hedw__A_15N_tracer_study_ DB - PRIME DP - Unbound Medicine ER -