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Multisite Assembly of Gateway Induced Clones (MAGIC): a flexible cloning toolbox withdiverse applications in vertebrate model systems.

Gillespie, W.; Zhang, Y.; Ruiz, O. E.; Cerda, J.; Ortiz-Guzman, J.; Turner, W. D.; Largoza, G.; Sherman, M.; Mosser, L. E.; Fujimoto, E.; Chien, C.-B.; Kwan, K. M.; Arenkiel, B. R.; Devine, W. P.; Wythe, J.

2024-07-13 molecular biology
10.1101/2024.07.13.603267 bioRxiv
Show abstract

Here we present the Multisite Assembly of Gateway Induced Clones (MAGIC) system, which harnesses site-specific recombination-based cloning via Gateway technology for rapid, modular assembly of between 1 and 3 "Entry" vector components, all into a fourth, standard high copy "Destination" plasmid backbone. The MAGIC toolkit spans a range of in vitro and in vivo uses, from directing tunable gene expression, to driving simultaneous expression of microRNAs and fluorescent reporters, to enabling site-specific recombinase-dependent gene expression. All MAGIC system components are directly compatible with existing multisite gateway Tol2 systems currently used in zebrafish, as well as existing eukaryotic cell culture expression Destination plasmids, and available mammalian lentiviral and adenoviral Destination vectors, allowing rapid cross-species experimentation. Moreover, herein we describe novel vectors with flanking piggyBac transposon elements for stable genomic integration in vitro or in vivo when used with piggyBac transposase. Collectively, the MAGIC system facilitates transgenesis in cultured mammalian cells, electroporated mouse and chick embryos, as well as in injected zebrafish embryos, enabling the rapid generation of innovative DNA constructs for biological research due to a shared, common plasmid platform.

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