John Wiley & Sons, Ltd.

Dermal exposure of Eisenia andrei earthworms: Effects of heavy metals on metallothionein and phytochelatin synthase gene expressions in coelomocytes

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Parameters like total number of coelomocytes, riboflavin content in coelomocytes, expression of genes implied in metal homeostasis and detoxification mechanisms can be used as biomarkers in order to assess the impact of metals on Annelids. Defense biomarkers (detoxification gene expressions and coelomocyte parameters) were investigated in the ecotoxicologically important species Eisenia andrei following in vivo exposure to 5 different metals (zinc, copper, nickel, lead and cadmium) at known concentrations. Coelomocyte numbers and riboflavin content were not affected by metallic exposure but metal‐specific gene expression variations could be evidenced and discussed. This article is protected by copyright. All rights reserved

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