C3P3-G1: first generation of a eukaryotic artificial cytoplasmic expression system.
Journal
Nucleic acids research
ISSN: 1362-4962
Titre abrégé: Nucleic Acids Res
Pays: England
ID NLM: 0411011
Informations de publication
Date de publication:
18 03 2019
18 03 2019
Historique:
accepted:
25
01
2019
revised:
03
12
2018
received:
11
11
2018
pubmed:
7
2
2019
medline:
16
10
2019
entrez:
7
2
2019
Statut:
ppublish
Résumé
Most eukaryotic expression systems make use of host-cell nuclear transcriptional and post-transcriptional machineries. Here, we present the first generation of the chimeric cytoplasmic capping-prone phage polymerase (C3P3-G1) expression system developed by biological engineering, which generates capped and polyadenylated transcripts in host-cell cytoplasm by means of two components. First, an artificial single-unit chimeric enzyme made by fusing an mRNA capping enzyme and a DNA-dependent RNA polymerase. Second, specific DNA templates designed to operate with the C3P3-G1 enzyme, which encode for the transcripts and their artificial polyadenylation. This system, which can potentially be adapted to any in cellulo or in vivo eukaryotic expression applications, was optimized for transient expression in mammalian cells. C3P3-G1 shows promising results for protein production in Chinese Hamster Ovary (CHO-K1) cells. This work also provides avenues for enhancing the performances for next generation C3P3 systems.
Identifiants
pubmed: 30726994
pii: 5307548
doi: 10.1093/nar/gkz069
pmc: PMC6412113
doi:
Substances chimiques
Poly A
24937-83-5
DNA-Directed RNA Polymerases
EC 2.7.7.6
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
2681-2698Informations de copyright
© The Author(s) 2019. Published by Oxford University Press on behalf of Nucleic Acids Research.
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