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Genetic Targets of Acute Toluene Inhalation in Drosophila melanogaster: DGRP activity, overlapping human orthologs, pathway analyses, GWAS results

Metadata Updated: November 12, 2020

We used the Drosophila Genetics Reference Panel (DGRP), a collection of ~200 homozygous lines of fruit flies whose genomes have been sequenced. We quantified toluene-induced suppression of motor activity in 123 lines of these flies during exposure to toluene, a volatile organic compound known to induce narcosis in mammals via its effects on neuronal ion channels. We then applied genome-wide association analyses on this effect of toluene using the DGRP web portal (, which identified polymorphisms in candidate genes associated with the variation in response to toluene exposure. We tested ~2 million variants and found 82 polymorphisms located in or near 66 candidate genes that were associated with phenotypic variation for sensitivity to toluene at P < 5 x 10-5, and human orthologs for 52 of these candidate Drosophila genes. None of these orthologs are known to be involved in canonical pathways for mammalian neuronal ion channels, including GABA, glutamate, dopamine, glycine, serotonin, and voltage sensitive calcium channels.

This dataset is associated with the following publications: Bushnell, P., W. Ward, T. Morozova, W. Oshiro, M. Lin, R. Judson, S. Hester, J. Mckee, and M. Higuchi. Editor's Highlight: Genetic Targets of Acute Toluene Inhalation in Drosophila melanogaster. TOXICOLOGICAL SCIENCES. Society of Toxicology, 230-239, (2017). Tatum-Gibbs, K.R., J. Mckee , M. Higuchi , and P. Bushnell. Effects of Toluene, Acrolein and Vinyl Chloride on Motor Activity of Drosophila Melanogaster. NEUROTOXICOLOGY AND TERATOLOGY. Elsevier Science Ltd, New York, NY, USA, 47: 114-24, (2015).

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Metadata Created Date November 12, 2020
Metadata Updated Date November 12, 2020

Metadata Source

Harvested from EPA ScienceHub

Additional Metadata

Resource Type Dataset
Metadata Created Date November 12, 2020
Metadata Updated Date November 12, 2020
Publisher U.S. EPA Office of Research and Development (ORD)
Data Last Modified 2018-02-02
Public Access Level public
Bureau Code 020:00
Schema Version
Harvest Object Id c0e9bfdd-3af5-45ab-8acb-e18f3b9bea02
Harvest Source Id 04b59eaf-ae53-4066-93db-80f2ed0df446
Harvest Source Title EPA ScienceHub
Program Code 020:095
Publisher Hierarchy U.S. Government > U.S. Environmental Protection Agency > U.S. EPA Office of Research and Development (ORD)
Related Documents
Source Datajson Identifier True
Source Hash 368317dac63ebd6035c1d73c2535517087400cc5
Source Schema Version 1.1

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