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Environ Toxicol


Title:Drosophila melanogaster as a model to characterize fungal volatile organic compounds
Author(s):Inamdar AA; Zaman T; Morath SU; Pu DC; Bennett JW;
Address:"Department of Plant Biology and Pathology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey 08901, USA"
Journal Title:Environ Toxicol
Year:2014
Volume:20121109
Issue:7
Page Number:829 - 836
DOI: 10.1002/tox.21825
ISSN/ISBN:1522-7278 (Electronic) 1520-4081 (Linking)
Abstract:"Fungi are implicated in poor indoor air quality and may pose a potential risk factor for building/mold related illnesses. Fungi emit numerous volatile organic compounds (VOCs) as alcohols, esters, ethers, ketones, aldehydes, terpenoids, thiols, and their derivatives. The toxicity profile of these VOCs has never been explored in a model organism, which could enable the performance of high throughput toxicological assays and lead to a better understanding of the mechanism of toxicity. We have established a reductionist Drosophila melanogaster model to evaluate the toxicity of fungal VOCs. In this report, we assessed the toxicity of fungal VOCs emitted from living cultures of species in the genera, Trichoderma, Aspergillus, and Penicillium and observed a detrimental effect on larval survival. We then used chemical standards of selected fungal VOCs to assess their toxicity on larval and adult Drosophila. We compared the survival of adult flies exposed to these fungal VOCs with known industrial toxic chemicals (formaldehyde [37%], xylene, benzene, and toluene). Among the tested fungal VOC standards, the compounds with eight carbons (C8) caused greater truncation of fly lifespan than tested non-C8 fungal VOCs and industrial toxins. Our data validate the use of Drosophila melanogaster as a model with the potential to elucidate the mechanistic attributes of different toxic VOCs emitted by fungi and also to explore the potential link between reported human illnesses/symptoms and exposure to water damaged and mold contaminated buildings"
Keywords:"Air Pollutants/*analysis/toxicity Air Pollution, Indoor/*analysis Animals Benzene/analysis Butanols/analysis/toxicity Drosophila melanogaster/*drug effects/growth & development *Environmental Microbiology Fungi/*chemistry Hexanols/analysis/toxicity Larva/;"
Notes:"MedlineInamdar, Arati A Zaman, Taslim Morath, Shannon U Pu, David C Bennett, Joan W eng Research Support, Non-U.S. Gov't 2012/11/10 Environ Toxicol. 2014 May; 29(7):829-36. doi: 10.1002/tox.21825. Epub 2012 Nov 9"

 
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