Chemosphere 2014 Jun 01;104:57-62. doi: 10.1016/j.chemosphere.2013.10.057.

Toxicity of four spill-treating agents on bacterial growth and sea urchin embryogenesis.

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The toxicity of spill-treating agents (STAs) is a topic that needs to be assessed prior to their potential application in environmental disasters. The aim of the present work was to study the effects of four commercial STAs (CytoSol, Finasol OSR 51, Agma OSD 569 and OD4000) on the growth of marine (Phaeobacter sp., Pseudomonas sp.) and terrestrial (Leuconostoc mesenteroides) bacteria, and sea urchin (Paracentrotus lividus) embryolarval development. In general, STA did not inhibit significantly the biomass production of the tested marine bacteria. Finasol OSR 51 and OD4000 clearly inhibited the growth of L. mesenteroides and an accurate description of the kinetics was provided by a proposed bivariate equation. For this species, a global parameter (EC50,τ) was defined to summarize the set of growth kinetics. Using this parameter Finasol OSR 51 was found to be less toxic (754μL L(-1)) than OD4000 (129μL L(-1)). For the sea urchin embryo assay, the ranking of toxicity as EC50 (μL L(-1)) was Agma OSD 569 (34.0)<CytoSol (26.3)<OD4000 (2.2)<Finasol OSR 51 (1.2).

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Genes referenced: LOC100887844 LOC583082 osr2