Abstract
AbstractEver since their introduction a decade ago, stable introns, a type of noncoding (nc)RNAs, are found to be key players in different important cellular processes acting through regulation of gene expression and feedback loops to maintain cellular homeostasis. Despite being commonly regarded as useless byproducts, recent studies in yeast suggested that stable introns are essential for cell survivability under starvation. In Drosophila, we found that a stable intron, sisR‐1, has a direct effect in regulating mitochondrial dynamics during short‐term fasting and subsequently improved overall oocyte quality. We speculated that the beneficial effects implicated by sisR‐1 is through the activation of mitohormesis, an interesting phenomenon in mitochondrial biology. Mitohormesis is suggested to improve health span and lifespan of cells and organisms, but the involvement of ncRNAs is not well‐documented. Here, we discuss the potential role of sisR‐1 and other ncRNAs in activating mitohormesis and the possible applications in improving cellular and organismal health.
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