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Golden Gate assembly of BioBrick-compliant parts using Type II restriction endonucleases
Author(s) -
Ichiro Matsumura
Publication year - 2022
Publication title -
biotechniques/biotechniques
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.617
H-Index - 131
eISSN - 1940-9818
pISSN - 0736-6205
DOI - 10.2144/btn-2021-0083
Subject(s) - restriction enzyme , plasmid , subcloning , dna , biology , recombinant dna , golden gate , genetics , computational biology , gene , engineering , civil engineering , span (engineering)
Aims: New methods of DNA recombination that capture the principal advantages of the BioBrick standard (ease of design) and Golden Gate assembly (decreased labor) are demonstrated here. Methods & materials: Both methods employ DNA methyltransferase expression vectors, available from Addgene, that protect selected sites on different plasmids from particular Type II restriction endonucleases. No other reagents are required. Results: The 4R/2M discontinuous DNA assembly is more efficient (produces more desired recombinant plasmids) and as specific (produces few undesired recombination products) as conventional subcloning. The 5RM continuous DNA assembly is approximately as efficient and specific as conventional Golden Gate assembly, even though in vivo methylation of one plasmid is incomplete. Conclusion: Both methylase-assisted methods streamline BioBrick assembly workflows without complicating the design of synthetic parts.

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