The molecular basis of translation initiation and its regulation in eukaryotes

J Brito Querido, I Díaz-López… - Nature Reviews Molecular …, 2024 - nature.com
The regulation of gene expression is fundamental for life. Whereas the role of transcriptional
regulation of gene expression has been studied for several decades, it has been clear over …

Structural insights into the mechanism of scanning and start codon recognition in eukaryotic translation initiation

AG Hinnebusch - Trends in biochemical sciences, 2017 - cell.com
Initiation of translation on eukaryotic mRNAs generally follows the scanning mechanism,
wherein a preinitiation complex (PIC) assembled on the small (40S) ribosomal subunit and …

Structure of a human 48S translational initiation complex

J Brito Querido, M Sokabe, S Kraatz, Y Gordiyenko… - Science, 2020 - science.org
A key step in translational initiation is the recruitment of the 43 S preinitiation complex by the
cap-binding complex [eukaryotic initiation factor 4F (eIF4F)] at the 5′ end of messenger …

Embraced by eIF3: structural and functional insights into the roles of eIF3 across the translation cycle

LS Valášek, J Zeman, S Wagner… - Nucleic acids …, 2017 - academic.oup.com
Protein synthesis is mediated via numerous molecules including the ribosome, mRNA,
tRNAs, as well as translation initiation, elongation and release factors. Some of these factors …

[HTML][HTML] The structure of a human translation initiation complex reveals two independent roles for the helicase eIF4A

J Brito Querido, M Sokabe, I Díaz-López… - Nature Structural & …, 2024 - nature.com
Eukaryotic translation initiation involves recruitment of the 43S pre-initiation complex to the
5′ end of mRNA by the cap-binding complex eIF4F, forming the 48S translation initiation …

Structure of the translating Neurospora ribosome arrested by cycloheximide

L Shen, Z Su, K Yang, C Wu, T Becker… - Proceedings of the …, 2021 - National Acad Sciences
Ribosomes translate RNA into proteins. The protein synthesis inhibitor cycloheximide (CHX)
is widely used to inhibit eukaryotic ribosomes engaged in translation elongation. However …

The role of eIF3 and its individual subunits in cancer

JWB Hershey - Biochimica et Biophysica Acta (BBA)-Gene Regulatory …, 2015 - Elsevier
Specific individual subunits of eIF3 are elevated or reduced in numerous human tumors, and
their ectopic overexpression in immortal cells can result in malignant transformation. The …

Human eIF3: from 'blobology'to biological insight

JHD Cate - … Transactions of the Royal Society B …, 2017 - royalsocietypublishing.org
Translation in eukaryotes is highly regulated during initiation, a process impacted by
numerous readouts of a cell's state. There are many cases in which cellular messenger …

Human eIF3b and eIF3a serve as the nucleation core for the assembly of eIF3 into two interconnected modules: the yeast-like core and the octamer

S Wagner, A Herrmannová, D Šikrová… - Nucleic acids …, 2016 - academic.oup.com
The 12-subunit mammalian eIF3 is the largest and most complex translation initiation factor
and has been implicated in numerous steps of translation initiation, termination and …

[HTML][HTML] A transcript-specific eIF3 complex mediates global translational control of energy metabolism

M Shah, D Su, JS Scheliga, T Pluskal, S Boronat… - Cell reports, 2016 - cell.com
The multi-subunit eukaryotic translation initiation factor eIF3 is thought to assist in the
recruitment of ribosomes to mRNA. The expression of eIF3 subunits is frequently disrupted …