Eukaryotic Ribosome Assembly

A Vanden Broeck, S Klinge - Annual Review of Biochemistry, 2024 - annualreviews.org
During the last ten years, developments in cryo–electron microscopy have transformed our
understanding of eukaryotic ribosome assembly. As a result, the field has advanced from a …

The eRF1 degrader SRI-41315 acts as a molecular glue at the ribosomal decoding center

JPL Coelho, MCJ Yip, K Oltion, J Taunton… - Nature Chemical …, 2024 - nature.com
Translation termination is an essential cellular process, which is also of therapeutic interest
for diseases that manifest from premature stop codons. In eukaryotes, translation termination …

Single-Molecule Imaging of Integral Membrane Protein Dynamics and Function

A Modak, Z Kilic, K Chattrakun, DS Terry… - Annual Review of …, 2024 - annualreviews.org
Integral membrane proteins (IMPs) play central roles in cellular physiology and represent
the majority of known drug targets. Single-molecule fluorescence and fluorescence …

Specific tRNAs promote mRNA decay by recruiting the CCR4-NOT complex to translating ribosomes

X Zhu, VE Cruz, H Zhang, JP Erzberger, JT Mendell - Science, 2024 - science.org
The CCR4-NOT complex is a major regulator of eukaryotic messenger RNA (mRNA)
stability. Slow decoding during translation promotes association of CCR4-NOT with …

Structural analysis of the dynamic ribosome-translocon complex

AJO Lewis, F Zhong, RJ Keenan, RS Hegde - Elife, 2024 - elifesciences.org
The protein translocon at the endoplasmic reticulum comprises the Sec61 translocation
channel and numerous accessory factors that collectively facilitate the biogenesis of …

SMYD5 is a ribosomal methyltransferase that catalyzes RPL40 lysine methylation to enhance translation output and promote hepatocellular carcinoma

B Miao, L Ge, C He, X Wang, J Wu, X Li, K Chen, J Wan… - Cell research, 2024 - nature.com
While lysine methylation is well-known for regulating gene expression transcriptionally, its
implications in translation have been largely uncharted. Trimethylation at lysine 22 …

A Zpr1 co-chaperone mediates folding of eukaryotic translation elongation factor 1A via a GTPase cycle

AJ McQuown, AR Nelliat, D Reif, IM Sabbarini… - Molecular Cell, 2023 - cell.com
General protein folding is mediated by chaperones that utilize ATP hydrolysis to regulate
client binding and release. Zinc-finger protein 1 (Zpr1) is an essential ATP-independent …

UFM1 E3 ligase promotes recycling of 60S ribosomal subunits from the ER

PA DaRosa, I Penchev, SC Gumbin, F Scavone… - Nature, 2024 - nature.com
Reversible modification of target proteins by ubiquitin and ubiquitin-like proteins (UBLs) is
widely used by eukaryotic cells to control protein fate and cell behaviour. UFM1 is a UBL that …

Phosphorylation of P-stalk proteins defines the ribosomal state for interaction with auxiliary protein factors

K Filipek, S Blanchet, E Molestak, M Zaciura… - EMBO …, 2024 - embopress.org
Ribosomal action is facilitated by the orchestrated work of trans-acting factors and ribosomal
elements, which are subject to regulatory events, often involving phosphorylation. One such …

FRET-guided modeling of nucleic acids

FD Steffen, RA Cunha, RKO Sigel… - Nucleic Acids …, 2024 - academic.oup.com
The functional diversity of RNAs is encoded in their innate conformational heterogeneity.
The combination of single-molecule spectroscopy and computational modeling offers new …