ArticleFrontiers in immunology2019
Porcine Deltacoronavirus Nucleocapsid Protein Suppressed IFN-β Production by Interfering Porcine RIG-I dsRNA-Binding and K63-Linked Polyubiquitination.
Article in Frontiers in immunology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.
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Who cites it
44 citing papers in PubMed, 74 citations in OpenAlex.
- Nuclear shuttling of CDC4 mediated broad-spectrum antiviral activity against diverse coronaviruses.Emerging microbes & infections · 2025Article
- SADS-CoV nsp5 Inhibits Interferon Production by Targeting Kinase IKKε.Microorganisms · 2025Article
- Interplay of swine acute diarrhoea syndrome coronavirus and the host intrinsic and innate immunity.Veterinary research · 2025Review
- Porcine deltacoronavirus nucleocapsid protein interacts with the Grb2 through its proline-rich motifs to induce activation of the Raf-MEK-ERK signal pathway and promote virus replication.The Journal of general virology · 2024Article
- Porcine deltacoronavirus nucleocapsid protein antagonizes JAK-STAT signaling pathway by targeting STAT1 through KPNA2 degradation.Journal of virology · 2024Article
- Porcine deltacoronavirus nonstructural protein 2 inhibits type I and III IFN production by targeting STING for degradation.Veterinary research · 2024Article
- Swine acute diarrhea syndrome coronavirus nucleocapsid protein antagonizes the IFN response through inhibiting TRIM25 oligomerization and functional activation of RIG-I/TRIM25.Veterinary research · 2024Article
- Serial passage of PDCoV in cell culture reduces its pathogenicity and its damage of gut microbiota homeostasis in piglets.mSystems · 2024Article
- FBXW8 suppresses PDCoV proliferation via the NPD52-dependent autophagic degradation of a viral nucleocapsid protein.Frontiers in immunology · 2024Article
- Broad antagonism of coronaviruses nsp5 to evade the host antiviral responses by cleaving POLDIP3.PLoS pathogens · 2023Article
- Prediction and Verification of Curcumin as a Potential Drug for Inhibition of PDCoV Replication in LLC-PK1 Cells.International journal of molecular sciences · 2023Article
- Development of Specific Monoclonal Antibodies against Porcine RIG-I-like Receptors Revealed the Species Specificity.International journal of molecular sciences · 2023Article
- Co-infection of porcine deltacoronavirus and porcine epidemic diarrhea virus induces early TRAF6-mediated NF-κB and IRF7 signaling pathways through TLRs.Scientific reports · 2022Article
- Swine Enteric Coronavirus: Diverse Pathogen-Host Interactions.International journal of molecular sciences · 2022Review
- A Comparative Transcriptomic Analysis Reveals That HSP90AB1 Is Involved in the Immune and Inflammatory Responses to Porcine Deltacoronavirus Infection.International journal of molecular sciences · 2022Article
- SARS-CoV-2 NSP5 and N protein counteract the RIG-I signaling pathway by suppressing the formation of stress granules.Signal transduction and targeted therapy · 2022Article
- Viruses utilize ubiquitination systems to escape TLR/RLR-mediated innate immunity.Frontiers in immunology · 2022Review
- Modulation of Innate Antiviral Immune Response by Porcine Enteric Coronavirus.Frontiers in microbiology · 2022Review
- MiR-142-5p/FAM134B Axis Manipulates ER-Phagy to Control PRRSV Replication.Frontiers in immunology · 2022Article
- Mechanism of selenomethionine inhibiting of PDCoV replication in LLC-PK1 cells based on STAT3/miR-125b-5p-1/HK2 signaling.Frontiers in immunology · 2022Article
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Porcine deltacoronavirus (PDCoV) is a newly detected porcine coronavirus causing serious vomiting and diarrhea in piglets, especially newborn piglets. There has been an outbreak of PDCoV in worldwide since 2014, causing significant economic losses in the pig industry. The interferon (IFN)-mediated antiviral response is an important component of virus-host interactions and plays an essential role in inhibiting virus infection. However, the mechanism of PDCoV escaping the porcine immune surveillance is unclear. In the present study, we demonstrated that the PDCoV nucleocapsid (N) protein antagonizes porcine IFN-β production after vesicular stomatitis virus (VSV) infection or poly(I:C) stimulation. PDCoV N protein also suppressed the activation of porcine IFN-β promoter when it was stimulated by porcine RLR signaling molecules. PDCoV N protein targeted porcine retinoic acid-inducible gene I (pRIG-I) and porcine TNF receptor associated factor 3 (pTRAF3) by directly interacting with them. The N-terminal region (1-246 aa) of PDCoV N protein was important for interacting with pRIG-I and interfere its function. We confirmed that PDCoV N antagonizes IFN-β production by associating with pRIG-I to impede it from binding double-stranded RNA. Furthermore, porcine Riplet (pRiplet) was an important activator for pRIG-I by mediating the K63-linked polyubiquitination. However, PDCoV N protein restrained the pRiplet binding pRIG-I to inhibit pRIG-I K63-linked polyubiquitination. Taken together, our results revealed a novel mechanism by which PDCoV N protein interferes with the early activation of pRIG-I in the host antiviral response. The novel findings provide a new insight into PDCoV on evading the host innate immune response and may provide new therapeutic targets and more efficacious vaccines strategies for PDCoV infections.
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