NDLI: DNA damage in barn swallows (Hirundo rustica) from the Chernobyl region detected by use of the comet assay.

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DNA damage in barn swallows (Hirundo rustica) from the Chernobyl region detected by use of the comet assay.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Bonisoli-Alquati, Andrea Voris, Andrew Mousseau, Timothy A. Møller, Anders Pape Saino, Nicola Wyatt, Michael D.
Spatial Coverage	Ukraine
Description	Author Affiliation: Bonisoli-Alquati A ( Dipartimento di Biologia, Sez. Ecologia, Università degli Studi di Milano, via Celoria 26, I-20133 Milano, Italy. andrea.bonisoli@unimi.it )
Abstract	We investigated levels of DNA damage in blood cells of barn swallows (Hirundo rustica) inhabiting the Chernobyl region to evaluate whether chronic exposure to low-level radioactive contamination continues to induce genetic damage in free-living populations of animals. Blood samples were obtained from barn swallows collected at sites with different background levels of radiation, including a relatively uncontaminated area. The extent of DNA damage was evaluated using the alkaline (pH=12.1) comet assay, a robust and sensitive electrophoresis-based technique widely employed in research ranging from biomonitoring to clinical studies. We found that levels of DNA damage, as indexed by the extent of DNA migration, were increased in barn swallows living in areas surrounding Chernobyl when compared to swallows sampled at low-level sites. The results we obtained are consistent with previous findings on this same species, which showed that swallows breeding in areas heavily contaminated with radionuclides have increased mutation rates, higher oxidative stress and incidence of morphological aberrations and tumors. Overall, these results indicate that chronic exposure to radioactive contaminants, even 20years after the accident at the Chernobyl nuclear power plant, continues to induce DNA damage in cells of free-living animals.
File Format	HTM / HTML
ISSN	15320456
Issue Number	3
Volume Number	151
Journal	Comparative Biochemistry and Physiology Part C: Toxicology & Pharmacology
Language	English
Publisher	Elsevier
Publisher Date	2010-04-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Toxicology Discipline Pharmacology Chernobyl Nuclear Accident Comet Assay Dna Damage Radioactive Hazard Release Swallows Physiology Animals Dose-response Relationship, Radiation Female Geography Male Genetics Ukraine Journal Article
Content Type	Text
Resource Type	Article
Subject	Cell Biology Physiology Health, Toxicology and Mutagenesis Medicine Aquatic Science Biochemistry Toxicology Animal Science and Zoology

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Impaired swimming behaviour and morphology of sperm from barn swallows Hirundo rustica in Chernobyl.

Increased oxidative stress in barn swallows from the Chernobyl region.

Elevated frequency of abnormalities in barn swallows from Chernobyl

The effects of radiation on sperm swimming behavior depend on plasma oxidative status in the barn swallow (Hirundo rustica).

Long-term effects of radiation exposure on health.

Some aspects of mutation research after a low-dose radiation exposure.

Non-cancer effects in acute radiation syndrome survivors in Ukraine.

Evaluation of the Comet Assay for Assessing the Dose-Response Relationship of DNA Damage Induced by Ionizing Radiation

Effect of chronic low dose natural radiation in human peripheral blood mononuclear cells: Evaluation of DNA damage and repair using the alkaline comet assay.

DNA damage in barn swallows (Hirundo rustica) from the Chernobyl region detected by use of the comet assay.

Similar Documents

Impaired swimming behaviour and morphology of sperm from barn swallows Hirundo rustica in Chernobyl.

Increased oxidative stress in barn swallows from the Chernobyl region.

Elevated frequency of abnormalities in barn swallows from Chernobyl

The effects of radiation on sperm swimming behavior depend on plasma oxidative status in the barn swallow (Hirundo rustica).

Long-term effects of radiation exposure on health.

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Non-cancer effects in acute radiation syndrome survivors in Ukraine.

Evaluation of the Comet Assay for Assessing the Dose-Response Relationship of DNA Damage Induced by Ionizing Radiation

Effect of chronic low dose natural radiation in human peripheral blood mononuclear cells: Evaluation of DNA damage and repair using the alkaline comet assay.

DNA damage in barn swallows (Hirundo rustica) from the Chernobyl region detected by use of the comet assay.