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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Thiobencarb toxicity and plasma AChE inhibition in the European eel.

The acute toxicity of the herbicide thiobencarb (S-4-chlorobenzyl diethylthiocarbamate) was determined for the European eel (Anguilla anguilla). The 24, 48, 72 and 96 hours median lethal concentrations (LC50) were 25.7, 21.7, 17.0 and 13.2 mg/L, respectively. Fish were also exposed to a sublethal thiobencarb concentration (1/60 LC50-96 hr = 0.22 mg/L) during 96 hours in a flow-through system and then an elimination period of 192 hours in clean water was allowed. Eels were removed and blood samples taken out at each exposure time and recovery period in order to evaluate AChE activity. Thiobencarb induced significant inhibitory effects on plasma AChE activity of A. anguilla from the first contact time with the toxicant. This inhibition (under 50% activity) was maintained during the entire exposure period (96 hours) and even those animals transferred to clean water showed plasma AChE activity different from the controls. Differences between total and specific AChE activity were detected during the exposure period. Total AChE activity in the plasma from animals transferred to a medium free of toxicant recovered its normal value while specific AChE activity remained depressed (< 50%) until five days later.[1]

References

  1. Thiobencarb toxicity and plasma AChE inhibition in the European eel. Fernández-Vega, C., Sancho, E., Ferrando, M.D., Andreu-Moliner, E. Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes. (1999) [Pubmed]
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