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Dichlorvos exposure impedes extraction and amplification of DNA from insects in museum collections
Stockholm University, Faculty of Science, Department of Zoology, Systematic Zoology.
Swedish Museum of Natural History, Molecular Systematics Laboratory.
Swedish Museum of Natural History, Entomology department.
Swedish Museum of Natural History, Research Department.
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2010 (English)In: Frontiers in Zoology, ISSN 1742-9994, Vol. 7, no 2, 1-8 p.Article in journal (Refereed) Published
Abstract [en]

Background: The insecticides dichlorvos, paradichlorobenzene and naphthalene have been commonly used to eradicate pest insects from natural history collections. However, it is not known how these chemicals affect the DNA of the specimens in the collections. We thus tested the effect of dichlorvos, paradichlorobenzene and naphthalene on DNA of insects (Musca domestica) by extracting and amplifying DNA from specimens exposed to insecticides in two different concentrations over increasing time intervals.

Results: The results clearly show that dichlorvos impedes both extraction and amplification of mitochondrial and nuclear DNA after relatively short time, whereas paradichlorobenzene and naphthalene do not.

Conclusion: Collections treated with paradichlorobenzene and naphthalene, are better preserved concerning DNA, than those treated with dichlorvos. Non toxic pest control methods should, however, be preferred due to physical damage of specimens and putative health risks by chemicals.

Place, publisher, year, edition, pages
2010. Vol. 7, no 2, 1-8 p.
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Research subject
URN: urn:nbn:se:su:diva-38743DOI: 10.1186/1742-9994-7-2ISI: 000274695800001OAI: diva2:314326
Available from: 2010-04-27 Created: 2010-04-27 Last updated: 2011-12-05Bibliographically approved

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