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http://dx.doi.org/10.11626/KJEB.2016.34.2.124

Ecotoxicity Test Using E. agilis Biomonitoring System  

Lee, Junga (Department of Environmental Energy Engineering, Kyonggi University)
Kim, Kyung Nam (MICRODIGITAL CO., LTD.)
Park, Da Kyung (Department of Environmental Energy Engineering, Kyonggi University)
Publication Information
Korean Journal of Environmental Biology / v.34, no.2, 2016 , pp. 124-131 More about this Journal
Abstract
The toxic responses of flagellate Euglena agilis Carter to 8 heavy metals (Ag, Cd, Cr (VI), Cu, Hg, Ni, Pb, Zn) were measured using E. agilis system (E-Tox), an automated biomonitoring system. The E-Tox measures cell movement parameters, such as velocity, motility, and forms of the cells, as biological endpoints. $EC_{50}$ values from the E. agilis biomonitoring test were compared with the literature data from the tests with Daphnia magna, Vibrio fischeri and Euglena gracilis. Measurement of the E. agilis movement behavior and D. magna acute toxicity test were also conducted for the wastewater samples. E. agilis is less sensitive than D. magna but is comparable to or more sensitive than V. fischeri and E. gracilis for the heavy metals tested in this study. E. agilis shows prompt changes of these parameters for the toxic metal plating wastewater. Major advantages of the E-tox are automatic, easy to handle and fast ecotoxicity monitoring system compared to other biological test systems. These results imply that E. agilis biomonitoring test using E-Tox can be a putative ecotoxicity test as a good early warning tool for the monitoring of toxic wastewater.
Keywords
ecotoxicity; cell movement; metal plating; wastewater; domestic organism;
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