Nature Communications (Mar 2017)

RNA surveillance via nonsense-mediated mRNA decay is crucial for longevity in daf-2/insulin/IGF-1 mutant C. elegans

  • Heehwa G. Son,
  • Mihwa Seo,
  • Seokjin Ham,
  • Wooseon Hwang,
  • Dongyeop Lee,
  • Seon Woo A. An,
  • Murat Artan,
  • Keunhee Seo,
  • Rachel Kaletsky,
  • Rachel N. Arey,
  • Youngjae Ryu,
  • Chang Man Ha,
  • Yoon Ki Kim,
  • Coleen T. Murphy,
  • Tae-Young Roh,
  • Hong Gil Nam,
  • Seung-Jae V. Lee

DOI
https://doi.org/10.1038/ncomms14749
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 11

Abstract

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The decline of DNA and protein quality control contributes to organismal ageing. Here, Sonet al. report that nonsense-mediated mRNA decay, a RNA quality control mechanism, is enhanced in long-lived daf-2 mutant worms and contributes to their longevity by regulating expression of the yars-2/tyrosyl tRNA synthetase.