A new study of Drosophila melanogaster bridges the gap between quantitative trait loci (QTLs) for lifespan and a gene involved in catecholamine synthesis. The causative gene also contributes to variation in lifespan in a natural population and seems to be subject to balancing selection in nature.
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Curtsinger, J. Peeking under QTL peaks. Nat Genet 34, 358–359 (2003). https://doi.org/10.1038/ng0803-358
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DOI: https://doi.org/10.1038/ng0803-358
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