Fruit fly study sheds light on how new genes become functional
DNA
Rockefeller University Jul 14 2025 Most genes are ancient and shared across species. But a small subset of genes are relative newcomers, spontaneously emerging from stretches of DNA that once encoded nothing at all. Now, after nearly a decade of charting these genes in fruit flies, researchers have discovered how these de novo genes are regulated. In complementary studies, in Nature Ecology & Evolution and PNAS , the team showed how transcription factors and genomic neighbors switch these genes
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