Nature Communications (May 2018)

Evolutionary instability of CUG-Leu in the genetic code of budding yeasts

  • Tadeusz Krassowski,
  • Aisling Y. Coughlan,
  • Xing-Xing Shen,
  • Xiaofan Zhou,
  • Jacek Kominek,
  • Dana A. Opulente,
  • Robert Riley,
  • Igor V. Grigoriev,
  • Nikunj Maheshwari,
  • Denis C. Shields,
  • Cletus P. Kurtzman,
  • Chris Todd Hittinger,
  • Antonis Rokas,
  • Kenneth H. Wolfe

DOI
https://doi.org/10.1038/s41467-018-04374-7
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 8

Abstract

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The genetic code for amino acids is nearly universal, and among eukaryotic nuclear genomes the only known reassignments are of codon CUG in yeasts. Here, the authors identify a third independent CUG transition in budding yeasts that is still ongoing with alternative tRNAs present in the genome.