Integral Study of Paramecium caudatum Acute and Chronic Toxicity, Sites of Entry and Distribution, Bioconcentration and Body Burdens of Five Metals

An integral analysis of the acute and chronic toxicity, bioaccumulation, sites of entry, and distribution of four trace metals: copper, iron, lead, and nickel, and the non-trace metal mercury were performed in the ciliate Paramecium caudatum . Mercury was the fastest metal accumulated, and the most...

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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology 2023-08, Vol.111 (2), p.19-19, Article 19
Main Authors: Hernández-Flores, Saraí, Santos-Medrano, Gustavo Emilio, Rico-Martínez, Roberto
Format: Article
Language:English
Subjects:
Animals
Aquatic animals
Aquatic biota
Aquatic Pollution
Bioaccumulation
Biological magnification
Biota
Body Burden
Chronic toxicity
Copper
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Environmental Monitoring
Heavy metals
Ingestion
Iron
Mercury
Mercury (metal)
Mercury - analysis
Metals
Metals - analysis
Metals, Heavy - analysis
Nickel
Paramecium caudatum
Pollution
Rotifera
Soil Science & Conservation
Toxicity
Toxicology
Trace Elements - analysis
Trace metals
Waste Water Technology
Water Management
Water Pollutants, Chemical - analysis
Water Pollutants, Chemical - toxicity
Water Pollution Control
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Summary:An integral analysis of the acute and chronic toxicity, bioaccumulation, sites of entry, and distribution of four trace metals: copper, iron, lead, and nickel, and the non-trace metal mercury were performed in the ciliate Paramecium caudatum . Mercury was the fastest metal accumulated, and the most toxic. The sensitivity of Paramecium caudatum to the five metals tested (Cu, Fe, Hg, Ni, and Zn) falls in the range of other ciliate species. We observed similarities between the toxicity of the five metals to the ciliate P. caudatum with the rotifer Euchlanis dilatata : (a) Mercury was the most toxic metal in terms of acute and body burdens. (b) Acute values were very similar in both species, Hg as the most toxic and Fe as the less toxic, (c) the vacuole/ingestion chronic tests were more sensitive than growth inhibition chronic tests. These analyses would ideally help generate safer guidelines for protecting aquatic biota.
ISSN:0007-4861
1432-0800
DOI:10.1007/s00128-023-03768-8