Genome-wide Survey of Ribosome Collision

Peixun Han, Yuichi Shichino, Tilman Schneider-Poetsch, Mari Mito, Satoshi Hashimoto, Tsuyoshi Udagawa, Kenji Kohno, Minoru Yoshida, Yuichiro Mishima, Toshifumi Inada, Shintaro Iwasaki

Research output: Contribution to journalArticlepeer-review

40 Citations (Scopus)


Ribosome movement is not always smooth and is rather often impeded. For ribosome pauses, fundamental issues remain to be addressed, including where ribosomes pause on mRNAs, what kind of RNA/amino acid sequence causes this pause, and the physiological significance of this attenuation of protein synthesis. Here, we survey the positions of ribosome collisions caused by ribosome pauses in humans and zebrafish using modified ribosome profiling. Collided ribosomes, i.e., disomes, emerge at various sites: Pro-Pro/Gly/Asp motifs; Arg-X-Lys motifs; stop codons; and 3′ untranslated regions. The electrostatic interaction between the charged nascent chain and the ribosome exit tunnel determines the eIF5A-mediated disome rescue at the Pro-Pro sites. In particular, XBP1u, a precursor of endoplasmic reticulum (ER)-stress-responsive transcription factor, shows striking queues of collided ribosomes and thus acts as a degradation substrate by ribosome-associated quality control. Our results provide insight into the causes and consequences of ribosome pause by dissecting collided ribosomes.

Original languageEnglish
Article number107610
JournalCell Reports
Issue number5
Publication statusPublished - 2020 May 5


  • XBP
  • disome
  • disome profiling
  • eIF5A
  • ribosome
  • ribosome collision
  • ribosome profiling
  • ribosome-associated quality control (RQC)
  • translation
  • translation elongation

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)


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