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Mutagenesis, Vol. 16, No. 3, 219-223, May 2001
© 2001 UK Environmental Mutagen Society/Oxford University Press

Assessment of genotoxic damage by the comet assay in white storks (Ciconia ciconia) after the Doñana Ecological Disaster

Nuria Pastor, Miguel López-Lázaro1,, José L. Tella2,, Raquel Baos2,, Fernando Hiraldo2, and Felipe Cortés3,

Department of Cellular Biology, Faculty of Biology, Avda. Reina Mercedes No. 6, 41012 Seville, 1 Department of Pharmacology, Faculty of Pharmacy, University of Seville, and 2 Department of Applied Biology, Estación Biologica de Doñana, C.S.I.C., Spain

Single cell gel electrophoresis, the so-called `Comet' assay, was performed as a genotoxicity test in white storks sampled in an area heavily contaminated after the ecological disaster in south western Spain. This disaster occurred as a consequence of a massive toxic spillage of acid waste rich in heavy metals that impacted on the Doñana National Park. The importance of this protected area as a breeding and wintering site for many endangered bird species makes this analysis of DNA damage of special interest. Our results clearly show that white storks born in the contaminated area 1 year after the toxic spill bear a high burden of genetic damage as compared with control individuals. The possible implications for future survival as well as reproductive rate are discussed.

3 To whom correspondence should be addressed. Email: cortes{at}cica.es


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