Sirt4 is a mitochondrial regulator of metabolism and lifespan in Drosophila melanogaster [Genetics]

Sirtuins are an evolutionarily conserved family of NAD+-dependent deacylases that control metabolism, stress response, genomic stability, and longevity. Here, we show the sole mitochondrial sirtuin in Drosophila melanogaster, Sirt4, regulates energy homeostasis and longevity. Sirt4 knockout flies have a short lifespan, with increased sensitivity to starvation and decreased fertility and...

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