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JoVE Journal
Bioengineering
Use of In Vivo Assembly for High-efficiency Plasmid Construction
Use of In Vivo Assembly for High-efficiency Plasmid Construction
JoVE Journal
Bioengineering
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JoVE Journal Bioengineering
Use of In Vivo Assembly for High-efficiency Plasmid Construction

Use of In Vivo Assembly for High-efficiency Plasmid Construction

Full Text
1,535 Views
06:25 min
February 7, 2025

DOI: 10.3791/67870-v

Hannah G. Braun1, Jenny-Lee Thomassin1

1College of Medicine, Department of Biochemistry, Microbiology, and Immunology,University of Saskatchewan

In vivo assembly is a ligation-independent cloning method that relies on intrinsic DNA repair enzymes in bacteria to assemble DNA fragments by homologous recombination. This protocol is both time and cost-effective, as few reagents are required, and cloning efficiency can be as high as 99 %.

My doctoral research is focused on studying proteins that are secreted by bacteria. I specifically want to understand if some of these secreted proteins are important for causing human infections. A major challenge in working with recently isolated clinical bacteria is their antibiotic resistance, which hinders molecular genetic techniques that rely on antibiotic selection, such as gene deletions and genetic complementation.

This cloning protocol is faster and more cost effective since IVA eliminates the need for specialized enzymes and sequential enzymatic reactions for plasmid assembly before E.coli transformation. To begin, launch a specialized DNA analysis software on a computer system. Artificially assemble the desired plasmid.

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