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| Citation | Jordan, K.W., Craver, K.L., Magwire, M.M., Cubilla, C.E., Mackay, T.F., Anholt, R.R. (2012). Genome-Wide Association for Sensitivity to Chronic Oxidative Stress in Drosophila melanogaster. PLoS ONE 7(6): e38722. (Export to RIS) | ||
| FlyBase ID | FBrf0218606 | ||
| Publication Type | Research paper | ||
| PubMed ID | 22715409 | ||
| PubMed Abstract | Reactive oxygen species (ROS) are a common byproduct of mitochondrial energy metabolism, and can also be induced by exogenous sources, including UV light, radiation, and environmental toxins. ROS generation is essential for maintaining homeostasis by triggering cellular signaling pathways and host defense mechanisms. However, an imbalance of ROS induces oxidative stress and cellular death and is associated with human disease, including age-related locomotor impairment. To identify genes affecting sensitivity and resistance to ROS-induced locomotor decline, we assessed locomotion of aged flies of the sequenced, wild-derived lines from the Drosophila melanogaster Genetics Reference Panel on standard medium and following chronic exposure to medium supplemented with 3 mM menadione sodium bisulfite (MSB). We found substantial genetic variation in sensitivity to oxidative stress with respect to locomotor phenotypes. We performed genome-wide association analyses to identify candidate genes associated with variation in sensitivity to ROS-induced decline in locomotor performance, and confirmed the effects for 13 of 16 mutations tested in these candidate genes. Candidate genes associated with variation in sensitivity to MSB-induced oxidative stress form networks of genes involved in neural development, immunity, and signal transduction. Many of these genes have human orthologs, highlighting the utility of genome-wide association in Drosophila for studying complex human disease. | ||
| DOI | 10.1371/journal.pone.0038722 | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | PLoS ONE | ||
| Title | PLoS ONE | ||
| Publication Year | 2006- | ||
| ISBN/ISSN | 1932-6203 | ||
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Data from Reference
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| Alleles (15)
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| Genes (14)
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