Resumen de Visualizing the transfer-messenger RNA as the ribosome resumes translation

Jie Fu, Yaser Hashem, Iwona Wower, Jianlin Lei, Hstau Y. Liao, Christian Zwieb, Jacek Wower, Joachim Frank

• Bacterial ribosomes that are stalled on mRNAs lacking a stop codon can be rescued by a process called ‘transtranslation' that involves the ribonucleoprotein complex tmRNA–SmpB. This cryo-EM study, and the copublished study by Weis et al, reveal how translation on tmRNA is resumed