Endocrine disrupting chemicals accumulate in earthworms exposed to sewage effluent

Markman, Shai, Guschina, Irina A., Barnsley, Sara, Buchanan, Katherine L., Pascoe, David and Muller, Carsten T. 2007, Endocrine disrupting chemicals accumulate in earthworms exposed to sewage effluent, Chemosphere, vol. 70, no. 1, pp. 119-125.

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Title Endocrine disrupting chemicals accumulate in earthworms exposed to sewage effluent
Author(s) Markman, Shai
Guschina, Irina A.
Barnsley, Sara
Buchanan, Katherine L.
Pascoe, David
Muller, Carsten T.
Journal name Chemosphere
Volume number 70
Issue number 1
Start page 119
End page 125
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2007-11
ISSN 0045-6535
1879-1298
Keyword(s) earthworms
sewage
endocrine disruptors
eisenia fetida
Summary Endocrine disrupting chemicals (EDCs) can alter endocrine function in exposed animals. Such critical effects, combined with the ubiquity of EDCs in sewage effluent and potentially in tapwater, have led to concerns that they could be major physiological disruptors for wildlife and more controversially for humans. Although sewage effluent is known to be a rich source of EDCs, there is as yet no evidence for EDC uptake by invertebrates that live within the sewage treatment system. Here, we describe the use of an extraction method and GC–MS for the first time to determine levels of EDCs (e.g., dibutylphthalate, dioctylphthalate, bisphenol-A and 17β-estradiol) in tissue samples from earthworms (Eisenia fetida) living in sewage percolating filter beds and garden soil. To the best of our knowledge, this is the first such use of these techniques to determine EDCs in tissue samples in any organism. We found significantly higher concentrations of these chemicals in the animals from sewage percolating filter beds. Our data suggest that earthworms can be used as bioindicators for EDCs in these substrates and that the animals accumulate these compounds to levels well above those reported for waste water. The potential transfer into the terrestrial food chain and effects on wildlife are discussed.
Language eng
Field of Research 060603 Animal Physiology - Systems
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2007, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30018504

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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