ArticleVirologica Sinica2015
Introduction of temperature-sensitive helper and donor plasmids into Bac-to-Bac baculovirus expression systems.
Article in Virologica Sinica, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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.
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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.
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Who cites it
7 citing papers in PubMed, 7 citations in OpenAlex.
- Baculoviruses exploit the mitotic kinase CDK1 to disrupt the nuclear lamina.PLoS pathogens · 2026Article
- The conserved cysteines at position 18, 36, and 49 of Autographa californica multiple nucleopolyhedrovirus VP39 are essential for virus replication.Virus genes · 2024Article
- Autographa californica multiple nucleopolyhedrovirusJournal of virology · 2024Article
- Therapeutic Application and Structural Features of Adeno-Associated Virus Vector.Current issues in molecular biology · 2024Review
- Baculovirus infection induces disruption of the nuclear lamina.Scientific reports · 2017Article
- The Autographa californica Multiple NucleopolyhedrovirusJournal of virology · 2017Article
- Plutella xylostella granulovirus late gene promoter activity in the context of the Autographa californica multiple nucleopolyhedrovirus genome.Virologica Sinica · 2016Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In the baculovirus shuttle vector (bacmid) system, a helper plasmid and a donor plasmid are employed to insert heterologous genes into a cloned baculovirus genome via Tn7 transposition in Escherichia coli. The helper and donor plasmids are usually cotransfected with constructed bacmids into insect cells, which will lead to integration of these plasmids into the viral genome, and hence to the production of defective virions. In this study, to facilitate the preparation of plasmid-free recombinant bacmids, we modified a set of helper and donor plasmids by replacing their replication origins with that of a temperature-sensitive (ts) plasmid, pSIM6. Using the resulting ts helper plasmid pMON7124(ts) and the ts donor plasmid pFB1(ts)-PH-GFP, a recombinant bacmid, bAcWT-PG(-), was constructed, and the transposition efficiency was found to be 33.1%. The plasmids were then removed by culturing at 37 °C. For bAcWT-PG(-), the infectious progeny virus titer and the protein expression level under the control of the polyhedrin promoter were similar to those of a bacmid constructed with unmodified helper and donor plasmids. These ts plasmids will be useful for obtaining plasmid-free bacmids for both heterologous protein production and fundamental studies of baculovirus biology.
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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.