ArticleJournal of virology2021
Unique Mutations in the Murine Hepatitis Virus Macrodomain Differentially Attenuate Virus Replication, Indicating Multiple Roles for the Macrodomain in Coronavirus Replication.
Article in Journal of virology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
38 citing papers in PubMed, 1 synthesis or guideline pooled it, 49 citations in OpenAlex.
- The Reassessed Potential of SARS-CoV-2 Attenuation for COVID-19 Vaccine Development-A Systematic Review.Viruses · 2022Pooled it
- Development of GS-441524 derivatives as potent SARS-CoV-2 Mac1 inhibitors via a direct-to-biology approach.European journal of medicinal chemistry · 2026Article
- Review
- Development of GS-441524 Derivatives as Potent SARS-CoV-2 Mac1 Inhibitors via a Direct-to-Biology Approach.bioRxiv : the preprint server for biology · 2026Article
- An autoimmunity-associated allele ofProceedings of the National Academy of Sciences of the United States of America · 2026Article
- Hepatitis E Virus ORF1 Polyprotein Harbors a Pocket-Like Cavity That Is Vital for Virus Replication and Represents a Novel Antiviral Target.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Article
- An Autoimmunity-associated allele ofbioRxiv : the preprint server for biology · 2025Article
- Article
- The Mac1 ADP-ribosylhydrolase is a Therapeutic Target for SARS-CoV-2.bioRxiv : the preprint server for biology · 2025Article
- Mutations differentially affecting the coronavirus Mac1 ADP-ribose binding and hydrolysis activities indicate that it promotes multiple stages of the viral replication cycle.Journal of virology · 2025Article
- Article
- Article
- Recombinant infectious bronchitis virus containing mutations in non-structural proteins 10, 14, 15, and 16 and within the macrodomain provides complete protection against homologous challenge.Journal of virology · 2025Article
- Comparative Interactome Profiling of Nonstructural Protein 3 Across SARS-CoV-2 Variants Emerged During the COVID-19 Pandemic.Viruses · 2025Article
- Interferon-induced ADP-ribosylation: technical developments driving ICAB discovery.Bioscience reports · 2025Review
- IFN-bioRxiv : the preprint server for biology · 2025Article
- IFN-γ signaling is required for the efficient replication of murine hepatitis virus (MHV) strain JHM in the brains of infected mice.PloS one · 2025Article
- Mutation of a highly conserved isoleucine residue in loop 2 of several β-coronavirus macrodomains indicates that enhanced ADP-ribose binding is detrimental for replication.Journal of virology · 2024Article
- A Novel Self-Amplifying mRNA with Decreased Cytotoxicity and Enhanced Protein Expression by Macrodomain Mutations.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
Corrections and comments
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
All coronaviruses (CoVs) contain a macrodomain, also termed Mac1, in nonstructural protein 3 (nsp3) that binds and hydrolyzes mono-ADP-ribose (MAR) covalently attached to proteins. Despite several reports demonstrating that Mac1 is a prominent virulence factor, there is still a limited understanding of its cellular roles during infection. Currently, most of the information regarding the role of CoV Mac1 during infection is based on a single point mutation of a highly conserved asparagine residue, which makes contact with the distal ribose of ADP-ribose. To determine if additional Mac1 activities contribute to CoV replication, we compared the replication of murine hepatitis virus (MHV) Mac1 mutants, D1329A and N1465A, to the previously mentioned asparagine mutant, N1347A. These residues contact the adenine and proximal ribose in ADP-ribose, respectively. N1465A had no effect on MHV replication or pathogenesis, while D1329A and N1347A both replicated poorly in bone marrow-derived macrophages (BMDMs), were inhibited by PARP enzymes, and were highly attenuated
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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.