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Publication : The endogenous siRNA pathway in Drosophila impacts stress resistance and lifespan by regulating metabolic homeostasis.

First Author  Lim Do-Hwan Year  2011
Journal  FEBS Lett. Volume  585
Pages  3079-85 PubMed ID  21889502
Abstract Text  Small non-coding RNAs regulate gene expression in a sequence-specific manner. In Drosophila, Dicer-2 (Dcr-2) functions in the biogenesis of endogenous small interfering RNAs (endo-siRNAs). We identified 21 distinct proteins that exhibited a ≥ 1.5-fold change as a consequence of loss of dcr-2 function. Most of these were metabolic genes implicated in stress resistance and aging. dcr-2 Mutants had reduced lifespan and were hypersensitive to oxidative, endoplasmic reticulum, starvation, and cold stresses. Furthermore, loss of dcr-2 function led to abnormal lipid and carbohydrate metabolism. Our results suggest roles for the endo-siRNA pathway in metabolic regulation and defense against stress and aging in Drosophila. Doi  10.1016/j.febslet.2011.08.034
Issue  19 Month  Oct

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