ArticlePLoS pathogens2012
A Co-Opted DEAD-Box RNA helicase enhances tombusvirus plus-strand synthesis.
Article in PLoS pathogens, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.
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Who cites it
46 citing papers in PubMed, 80 citations in OpenAlex.
- Molecular gatekeepers: eukaryotic translation factors decoding plant-virus dynamics for resistance engineering.Stress biology · 2026Review
- Potyviruses recruit host eIF4A3 to block m6A-mediated RNA decay by steric hindrance of viral RNA methylation in plants.Nucleic acids research · 2026Article
- Mobilization of nuclear antiviral factors by exportin XPO1 via the actin network inhibits RNA virus replication.PLoS pathogens · 2025Article
- Screening bacterial effectors and human virus proteins in yeast to identify host factors driving tombusvirus RNA recombination: a role for autophagy and membrane phospholipid content.Journal of virology · 2025Article
- The centromeric histone CenH3 is recruited into the tombusvirus replication organelles.PLoS pathogens · 2022Article
- RNA Structure Protects the 5' End of an Uncapped Tombusvirus RNA Genome from Xrn Digestion.Journal of virology · 2021Article
- Genome-wide approaches for the identification of markers and genes associated with sugarcane yellow leaf virus resistance.Scientific reports · 2021Article
- Article
- Role reversal of functional identity in host factors: Dissecting features affecting pro-viral versus antiviral functions of cellular DEAD-box helicases in tombusvirus replication.PLoS pathogens · 2020Article
- Co-opted Cellular Sac1 Lipid Phosphatase and PI(4)P Phosphoinositide Are Key Host Factors during the Biogenesis of the Tombusvirus Replication Compartment.Journal of virology · 2020Article
- Review
- Host protein chaperones, RNA helicases and the ubiquitin network highlight the arms race for resources between tombusviruses and their hosts.Advances in virus research · 2020Article
- Interviral Recombination between Plant, Insect, and Fungal RNA Viruses: Role of the Intracellular CaJournal of virology · 2019Article
- Co-opting the fermentation pathway for tombusvirus replication: Compartmentalization of cellular metabolic pathways for rapid ATP generation.PLoS pathogens · 2019Article
- Virion-associated, host-derived DHX9/RNA helicase A enhances the processivity of HIV-1 reverse transcriptase on genomic RNA.The Journal of biological chemistry · 2019Article
- Blocking tombusvirus replication through the antiviral functions of DDX17-like RH30 DEAD-box helicase.PLoS pathogens · 2019Article
- Article
- Turnip Mosaic Virus Uses the SNARE Protein VTI11 in an Unconventional Route for Replication Vesicle Trafficking.The Plant cell · 2018Article
- Co-opting ATP-generating glycolytic enzyme PGK1 phosphoglycerate kinase facilitates the assembly of viral replicase complexes.PLoS pathogens · 2017Article
- Protein composition analysis of polyhedra matrix of Bombyx mori nucleopolyhedrovirus (BmNPV) showed powerful capacity of polyhedra to encapsulate foreign proteins.Scientific reports · 2017Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Replication of plus-strand RNA viruses depends on recruited host factors that aid several critical steps during replication. In this paper, we show that an essential translation factor, Ded1p DEAD-box RNA helicase of yeast, directly affects replication of Tomato bushy stunt virus (TBSV). To separate the role of Ded1p in viral protein translation from its putative replication function, we utilized a cell-free TBSV replication assay and recombinant Ded1p. The in vitro data show that Ded1p plays a role in enhancing plus-strand synthesis by the viral replicase. We also find that Ded1p is a component of the tombusvirus replicase complex and Ded1p binds to the 3'-end of the viral minus-stranded RNA. The data obtained with wt and ATPase deficient Ded1p mutants support the model that Ded1p unwinds local structures at the 3'-end of the TBSV (-)RNA, rendering the RNA compatible for initiation of (+)-strand synthesis. Interestingly, we find that Ded1p and glyceraldehyde-3-phosphate dehydrogenase (GAPDH), which is another host factor for TBSV, play non-overlapping functions to enhance (+)-strand synthesis. Altogether, the two host factors enhance TBSV replication synergistically by interacting with the viral (-)RNA and the replication proteins. In addition, we have developed an in vitro assay for Flock house virus (FHV), a small RNA virus of insects, that also demonstrated positive effect on FHV replicase activity by the added Ded1p helicase. Thus, two small RNA viruses, which do not code for their own helicases, seems to recruit a host RNA helicase to aid their replication in infected cells.
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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.