NDLI: Increased cytotoxic and genotoxic tolerance of Eisenia fetida (Oligochaeta) to cadmium after long-term exposure.

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Year: 2010 Volume: 19 Issue: 1

Year: 2009 Volume: 18

Year: 2008 Volume: 17

Increased cytotoxic and genotoxic tolerance of Eisenia fetida (Oligochaeta) to cadmium after long-term exposure.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Voua Otomo, P. Reinecke, S. A.
Description	Country affiliation: South Africa Author Affiliation: Voua Otomo P ( Department of Botany and Zoology, Stellenbosch University, Private Bag X1, Matieland, 7602, South Africa.)
Abstract	Since life-cycle studies showed that the earthworm species Eisenia fetida can develop increased tolerance after long-term exposure to a sub-lethal concentration of Cd in the laboratory, we assessed both the cytotoxicity and genotoxicity of Cd in a long-term Cd-exposed population. We exposed E. fetida specimens from this population, from a laboratory control population and from a field population to various concentrations of CdSO(4) in artificial soil water. Toxic effects were measured using the MTT test and the comet assay. The group that had been exposed to Cd for more than a decade was found to be more tolerant to the deleterious effects of Cd at both cellular and molecular levels than the laboratory control population. The field population, which came from a severely metal polluted environment, displayed high tolerance at molecular level as well. The results provide novel biomarker evidence of increased Cd tolerance in E. fetida, but the mechanisms supporting the apparent tolerance, still need to be clarified.
File Format	HTM / HTML
ISSN	09639292
Issue Number	2
Volume Number	19
e-ISSN	15733017
Journal	Ecotoxicology
Language	English
Publisher	Springer
Publisher Date	2010-02-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Ecology Discipline Environmental Health Discipline Toxicology Cadmium Toxicity Drug Tolerance Physiology Environmental Exposure Analysis Oligochaeta Drug Effects Soil Pollutants Animals Biological Markers Metabolism Cadmium Compounds Comet Assay Dose-response Relationship, Drug Genetics Adverse Effects Industrial Waste Cytology Sulfates Time Factors Toxicity Tests Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Health, Toxicology and Mutagenesis Medicine Toxicology Management, Monitoring, Policy and Law

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Increased cytotoxic and genotoxic tolerance of Eisenia fetida (Oligochaeta) to cadmium after long-term exposure

The combined stress effects of atrazine and cadmium on the earthworm Eisenia fetida.

Inhibition and recovery of biomarkers of earthworm Eisenia fetida after exposure to thiacloprid.

Toxicity of a neonicotinoid insecticide, guadipyr, in earthworm (Eisenia fetida).

Bioaccumulation and biological effects in the earthworm Eisenia fetida exposed to natural and depleted uranium.

Biochemical and genetic toxicity of the ionic liquid 1-octyl-3-methylimidazolium chloride on earthworms (Eisenia fetida).

Biological effects of decabromodiphenyl ether (BDE209) and Pb on earthworm (Eisenia fetida) in a soil system.

Ecotoxicity of wastes in avoidance tests with Enchytraeus albidus, Enchytraeus crypticus and Eisenia fetida (Oligochaeta).

Optimization of NRU assay in primary cultures of Eisenia fetida for metal toxicity assessment.

Increased cytotoxic and genotoxic tolerance of Eisenia fetida (Oligochaeta) to cadmium after long-term exposure.

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Increased cytotoxic and genotoxic tolerance of Eisenia fetida (Oligochaeta) to cadmium after long-term exposure

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Inhibition and recovery of biomarkers of earthworm Eisenia fetida after exposure to thiacloprid.

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Bioaccumulation and biological effects in the earthworm Eisenia fetida exposed to natural and depleted uranium.

Biochemical and genetic toxicity of the ionic liquid 1-octyl-3-methylimidazolium chloride on earthworms (Eisenia fetida).

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Increased cytotoxic and genotoxic tolerance of Eisenia fetida (Oligochaeta) to cadmium after long-term exposure.