Nature Communications (Feb 2021)

The TUTase URT1 connects decapping activators and prevents the accumulation of excessively deadenylated mRNAs to avoid siRNA biogenesis

  • Hélène Scheer,
  • Caroline de Almeida,
  • Emilie Ferrier,
  • Quentin Simonnot,
  • Laure Poirier,
  • David Pflieger,
  • François M. Sement,
  • Sandrine Koechler,
  • Christina Piermaria,
  • Paweł Krawczyk,
  • Seweryn Mroczek,
  • Johana Chicher,
  • Lauriane Kuhn,
  • Andrzej Dziembowski,
  • Philippe Hammann,
  • Hélène Zuber,
  • Dominique Gagliardi

DOI
https://doi.org/10.1038/s41467-021-21382-2
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 17

Abstract

Read online

TUTase mediated uridylation of mRNA promotes degradation. Here, Scheer, de Almeida et al. show that Arabidopsis TUTase URT1 interacts directly with the translation inhibitor and decay factor DECAPPING5 and suppresses siRNA biogenesis by preventing accumulation of deadenylated mRNAs