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 …
regulation of gene expression has been studied for several decades, it has been clear over …
[HTML][HTML] Iron–sulfur clusters as inhibitors and catalysts of viral replication
K Honarmand Ebrahimi, S Ciofi-Baffoni… - Nature Chemistry, 2022 - nature.com
A virus hijacks host cellular machineries and metabolites in order to reproduce. In response,
the innate immune system activates different processes to fight back. Although many aspects …
the innate immune system activates different processes to fight back. Although many aspects …
eIF5B and eIF1A reorient initiator tRNA to allow ribosomal subunit joining
CP Lapointe, R Grosely, M Sokabe, C Alvarado… - Nature, 2022 - nature.com
Translation initiation defines the identity and quantity of a synthesized protein. The process
is dysregulated in many human diseases,. A key commitment step is when the ribosomal …
is dysregulated in many human diseases,. A key commitment step is when the ribosomal …
Universal features of Nsp1-mediated translational shutdown by coronaviruses
K Schubert, ED Karousis, I Ban, CP Lapointe… - Molecular cell, 2023 - cell.com
Summary Nonstructural protein 1 (Nsp1) produced by coronaviruses inhibits host protein
synthesis. The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Nsp1 C …
synthesis. The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Nsp1 C …
[HTML][HTML] Structural basis for translation inhibition by MERS-CoV Nsp1 reveals a conserved mechanism for betacoronaviruses
All betacoronaviruses (β-CoVs) encode non-structural protein 1 (Nsp1), an essential
pathogenicity factor that potently restricts host gene expression. Among the β-CoV family …
pathogenicity factor that potently restricts host gene expression. Among the β-CoV family …
[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 …
5′ end of mRNA by the cap-binding complex eIF4F, forming the 48S translation initiation …
Specific mechanisms of translation initiation in higher eukaryotes: the eIF4G2 story
ED Shestakova, VV Smirnova, IN Shatsky, IM Terenin - Rna, 2023 - rnajournal.cshlp.org
The eukaryotic initiation factor 4G2 (eIF4G2, DAP5, Nat1, p97) was discovered in 1997. Over
the past two decades, dozens of papers have presented contradictory data on eIF4G2 …
the past two decades, dozens of papers have presented contradictory data on eIF4G2 …
Ratchet, swivel, tilt and roll: a complete description of subunit rotation in the ribosome
Protein synthesis by the ribosome requires large-scale rearrangements of the 'small'subunit
(SSU;∼ 1 MDa), including inter-and intra-subunit rotational motions. However, with nearly …
(SSU;∼ 1 MDa), including inter-and intra-subunit rotational motions. However, with nearly …
[HTML][HTML] Molecular basis for recognition and deubiquitination of 40S ribosomes by Otu2
In actively translating 80S ribosomes the ribosomal protein eS7 of the 40S subunit is
monoubiquitinated by the E3 ligase Not4 and deubiquitinated by Otu2 upon ribosomal …
monoubiquitinated by the E3 ligase Not4 and deubiquitinated by Otu2 upon ribosomal …
[HTML][HTML] Visualization of translation reorganization upon persistent ribosome collision stress in mammalian cells
Aberrantly slow ribosomes incur collisions, a sentinel of stress that triggers quality control,
signaling, and translation attenuation. Although each collision response has been studied in …
signaling, and translation attenuation. Although each collision response has been studied in …