Article
Combined tRNA modification defects impair protein homeostasis and synthesis of the yeast prion protein Rnq1.
Prion - 2 Jan 2017
Schaffrath Raffael, Klassen Roland
Abstract excerpt
Modified nucleosides in tRNA anticodon loops such as 5-methoxy-carbonyl-methyl-2-thiouridine (mcm5s2U) and pseuduridine (Ψ) are thought to be required for an efficient decoding process. In Saccharomyces cerevisiae, the simultaneous presence of mcm5s2U and Ψ38 in tRNAGlnUUG was shown to mediate efficient synthesis of the Q/N rich [PIN+] prion forming protein Rnq1. 1 In the absence of these two tRNA modifications,...
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