NDLI: A Comparison of Multiple Esterases as Biomarkers of Organophosphate Exposure and Effect in Two Earthworm Species

Content Provider	Springer Nature Link
Author	Henson Ramsey, Heather Schneider, Ashley Stoskopf, Michael K.
Copyright Year	2011
Abstract	Two different earthworm species, Eisenia fetida and Lumbricus terrestris, were exposed to 5 μg/cm2 of malathion to evaluate their usefulness as sentinels of organophosphate exposure and to assess three different esterases, as biomarkers of malathion exposure and effect. Tissue xenobiotic burdens and esterase activity were determined for each species and each esterase in order to assess variability. E. fetida exhibited 4-fold less variability in tissue burdens than did L. terrestris and had less variable basal esterase activities. An attempt was made to correlate malathion and malaoxon tissue burdens with esterase activity post-exposure. There was no malaoxon present in the earthworm tissues. No significant correlations were determined by comparing acetylcholinesterase, butyrylcholinesterase, nor carboxylesterase activities with malathion burdens.
Starting Page	373
Ending Page	378
Page Count	6
File Format	PDF
ISSN	00074861
Journal	Bulletin of Environmental Contamination and Toxicology
Volume Number	86
Issue Number	4
e-ISSN	14320800
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-03-15
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biomarker Esterase Earthworm Organophosphate Soil Science & Conservation Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution Environmental Chemistry Environmental Health Ecotoxicology Pollution
Content Type	Text
Resource Type	Article
Subject	Health, Toxicology and Mutagenesis Pollution Medicine Toxicology

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