ArticleJournal of virology2012
The Autographa californica M nucleopolyhedrovirus ac79 gene encodes an early gene product with structural similarities to UvrC and intron-encoded endonucleases that is required for efficient budded virus production.
Article in Journal of virology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 23 citations in OpenAlex.
- Assembly and Genome Annotation of Different Strains of Apple Fruit Moth Virus (International journal of molecular sciences · 2024Article
- Multifaceted interactions between host ESCRT-III and budded virus-related proteins involved in entry and egress of the baculovirus Autographa californica multiple nucleopolyhedrovirus.Journal of virology · 2024Article
- BmNPV Orf 65 (Bm65) Is Identified as an Endonuclease Directly Facilitating UV-Induced DNA Damage Repair.Journal of virology · 2022Article
- Dissecting the Cell Entry Pathway of Baculovirus by Single-Particle Tracking and Quantitative Electron Microscopic Analysis.Journal of virology · 2019Article
- The Autographa californica Multiple NucleopolyhedrovirusJournal of virology · 2019Article
- The complete genome sequence of a second alphabaculovirus from the true armyworm, Mythimna unipuncta: implications for baculovirus phylogeny and host specificity.Virus genes · 2019Article
- The Motif ofFrontiers in microbiology · 2019Article
- Article
- Protein composition analysis of polyhedra matrix of Bombyx mori nucleopolyhedrovirus (BmNPV) showed powerful capacity of polyhedra to encapsulate foreign proteins.Scientific reports · 2017Article
- Genome analysis of Heliothis virescens ascovirus 3h isolated from China.Virologica Sinica · 2017Article
- Article
- Baculoviruses: sophisticated pathogens of insects.PLoS pathogens · 2013Review
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Autographa californica M nucleopolyhedrovirus (AcMNPV) orf79 (ac79) gene is a conserved gene in baculoviruses and shares homology with genes in ascoviruses, iridoviruses, and several bacteria. Ac79 has a conserved motif and structural similarities to UvrC and intron-encoded endonucleases. Ac79 is produced at early times during infection and concentrates in the nucleus of infected cells at late times, suggesting a cellular compartment-specific function. To investigate its function, an ac79-knockout bacmid was generated through homologous recombination in Escherichia coli. Titration assays showed that budded virus (BV) production was reduced in the ac79-knockout virus compared to control viruses, following either virus infection or the transfection of bacmid DNA. The ac79-knockout virus-infected cells produced plaques smaller than those infected with control ac79-carrying viruses. No obvious differences were observed in viral DNA synthesis, viral protein accumulation, or the formation of occlusion bodies in ac79-knockout and control viral DNA-transfected cells, indicating progression into the late and very late phases of viral infection. However, comparative analyses of the amounts of BV genomic DNA and structural proteins in a given quantity of infectious virions suggested that the ac79-knockout virus produced more noninfectious BV in infected cells than the control virus. The structure of the ac79-knockout BV determined by transmission electron microscopy appeared to be similar to that of the control virus, although aberrant capsid protein-containing tubular structures were observed in the nuclei of ac79-knockout virus-infected cells. Tubular structures were not observed for ac79 viruses with mutations in conserved endonuclease residues. These results indicate that Ac79 is required for efficient BV production.
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