ArticleNucleic acids research2022
Cap-independent translation and a precisely located RNA sequence enable SARS-CoV-2 to control host translation and escape anti-viral response.
Article in Nucleic acids research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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Who cites it
32 citing papers in PubMed, 45 citations in OpenAlex.
- Specific RNA structures and elements in the 5'-UTR of the SARS-CoV-2 genome and subgenomic RNA are critical for its infection.Genes & diseases · 2026Article
- Mechanism and key RNA determinants of SARS-CoV-2 Nsp1-induced endonucleolytic cleavage of mRNA.bioRxiv : the preprint server for biology · 2026Article
- A transferable SARS-CoV-2 IRES module enables dual translation initiation for enhanced antigen expression in COVID-19 mRNA vaccines.Molecular therapy. Nucleic acids · 2026Article
- Structure and sequence characteristics of 5'-stem-loop 1 modulate the escape from nsp1-mediated repression in SARS-CoV-2 variants.Nucleic acids research · 2026Article
- Strategic variations in sarbecovirus and merbecovirus Nsp1 linker regions for translation inhibition.Nucleic acids research · 2026Article
- SARS-CoV-2 nonstructural protein 1 suppresses host transcription by reducing RNA polymerase II levels.iScience · 2025Article
- Article
- Inhibitors of eIF1A-ribosome interaction unveil uORF-dependent regulation of translation initiation and antitumor and antiviral effects.The EMBO journal · 2025Article
- Crystallographic and cryoEM analyses reveal SARS-CoV-2 SL5 is a mobile T-shaped four-way junction with deep pockets.RNA (New York, N.Y.) · 2025Article
- The differential effect of SARS-CoV-2 NSP1 on mRNA translation and stability reveals new insights linking ribosome recruitment, codon usage, and virus evolution.Nucleic acids research · 2025Article
- The transcriptional and translational landscape of HCoV-OC43 infection.PLoS pathogens · 2025Article
- eIF4E-independent translation is largely eIF3d-dependent.Nature communications · 2024Article
- The 5'-terminal stem-loop RNA element of SARS-CoV-2 features highly dynamic structural elements that are sensitive to differences in cellular pH.Nucleic acids research · 2024Article
- Article
- Host-like RNA Elements Regulate Virus Translation.Viruses · 2024Review
- The art of hijacking: how Nsp1 impacts host gene expression during coronaviral infections.Biochemical Society transactions · 2024Review
- SARS-CoV-2 Nsp1 cooperates with initiation factors EIF1 and 1A to selectively enhance translation of viral RNA.PLoS pathogens · 2024Article
- Decoding the genome of SARS-CoV-2: a pathway to drug development through translation inhibition.RNA biology · 2024Review
- Coronavirus takeover of host cell translation and intracellular antiviral response: a molecular perspective.The EMBO journal · 2024Review
- An Evolutionarily Conserved Strategy for Ribosome Binding and Host Translation Inhibition by β-coronavirus Non-structural Protein 1.Journal of molecular biology · 2023Article
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Authors and funding
12 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Translation of SARS-CoV-2-encoded mRNAs by the host ribosomes is essential for its propagation. Following infection, the early expressed viral protein NSP1 binds the ribosome, represses translation, and induces mRNA degradation, while the host elicits an anti-viral response. The mechanisms enabling viral mRNAs to escape this multifaceted repression remain obscure. Here we show that expression of NSP1 leads to destabilization of multi-exon cellular mRNAs, while intron-less transcripts, such as viral mRNAs and anti-viral interferon genes, remain relatively stable. We identified a conserved and precisely located cap-proximal RNA element devoid of guanosines that confers resistance to NSP1-mediated translation inhibition. Importantly, the primary sequence rather than the secondary structure is critical for protection. We further show that the genomic 5'UTR of SARS-CoV-2 drives cap-independent translation and promotes expression of NSP1 in an eIF4E-independent and Torin1-resistant manner. Upon expression, NSP1 further enhances cap-independent translation. However, the sub-genomic 5'UTRs are highly sensitive to eIF4E availability, rendering viral propagation partially sensitive to Torin1. We conclude that the combined NSP1-mediated degradation of spliced mRNAs and translation inhibition of single-exon genes, along with the unique features present in the viral 5'UTRs, ensure robust expression of viral mRNAs. These features can be exploited as potential therapeutic targets.
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