ArticleRNA (New York, N.Y.)2021
An open interface in the pre-80S ribosome coordinated by ribosome assembly factors Tsr1 and Dim1 enables temporal regulation of Fap7.
Article in RNA (New York, N.Y.), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 21 citations in OpenAlex.
- A disease associated mutant reveals how Ltv1 orchestrates RP assembly and rRNA folding of the small ribosomal subunit head.PLoS genetics · 2023Article
- A disease associated mutant reveals how Ltv1 orchestrates RP assembly and rRNA folding of the small ribosomal subunit head.bioRxiv : the preprint server for biology · 2023Article
- Quality control ensures fidelity in ribosome assembly and cellular health.The Journal of cell biology · 2023Review
- The nucleoplasmic phase of pre-40S formation prior to nuclear export.Nucleic acids research · 2022Article
- Using DMS-MaPseq to uncover the roles of DEAD-box proteins in ribosome assembly.Methods (San Diego, Calif.) · 2022Article
- CryoEM structures of pseudouridine-free ribosome suggest impacts of chemical modifications on ribosome conformations.Structure (London, England : 1993) · 2022Article
- The modifying enzyme Tsr3 establishes the hierarchy of Rio kinase binding in 40S ribosome assembly.RNA (New York, N.Y.) · 2022Article
- Release of the ribosome biogenesis factor Bud23 from small subunit precursors in yeast.RNA (New York, N.Y.) · 2022Article
- Attacking a DEAD problem: The role of DEAD-box ATPases in ribosome assembly and beyond.Methods in enzymology · 2022Article
- Genetics animates structure: leveraging genetic interactions to study the dynamics of ribosome biogenesis.Current genetics · 2021Review
- Assembly factors chaperone ribosomal RNA folding by isolating helical junctions that are prone to misfolding.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- The World of Stable Ribonucleoproteins and Its Mapping With Grad-Seq and Related Approaches.Frontiers in molecular biosciences · 2021Review
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
Abstract
During their maturation, nascent 40S subunits enter a translation-like quality control cycle, where they are joined by mature 60S subunits to form 80S-like ribosomes. While these assembly intermediates are essential for maturation and quality control, how they form, and how their structure promotes quality control, remains unknown. To address these questions, we determined the structure of an 80S-like ribosome assembly intermediate to an overall resolution of 3.4 Å. The structure, validated by biochemical data, resolves a large body of previously paradoxical data and illustrates how assembly and translation factors cooperate to promote the formation of an interface that lacks many mature subunit contacts but is stabilized by the universally conserved methyltransferase Dim1. We also show how Tsr1 enables this interface by blocking the canonical binding of eIF5B to 40S subunits, while maintaining its binding to 60S. The structure also shows how this interface leads to unfolding of the platform, which allows for temporal regulation of the ATPase Fap7, thus linking 40S maturation to quality control during ribosome assembly.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.