Design, construction and in vitro testing of zinc finger nucleases

Dana Carroll, J. Jason Morton, Kelly J. Beumer, David Segal

Research output: Contribution to journalArticle

131 Citations (Scopus)

Abstract

Zinc finger nucleases (ZFNs) are hybrid proteins that have been developed as targetable cleavage reagents for double-stranded DNA, both in vitro and in vivo. This protocol describes the design and construction of new DNA-binding domains comprised of zinc fingers (ZFs) directed at selected DNA sequences. Because the ZFNs must dimerize to cut DNA, they are designed in pairs for any new site. The first step is choosing a DNA segment of interest and searching it for sequences that can be recognized by combinations of existing ZFs. The second step is the construction of coding sequences for the selected ZF sets. Third, these coding sequences are linked to that of the nonspecific cleavage domain from the FokI restriction endonuclease in a cloning vector of choice. Finally, the ZFNs are expressed in Escherichia coli, partially purified, and tested in vitro for cleavage of the target sequences to which they were designed. If all goes smoothly, design, construction and cloning can be completed in about two weeks, with expression and testing completed in one additional week.

Original languageEnglish (US)
Pages (from-to)1329-1341
Number of pages13
JournalNature Protocols
Volume1
Issue number3
DOIs
StatePublished - Aug 2006

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Zinc Fingers
Zinc
Testing
DNA
Genetic Vectors
Cloning
DNA sequences
DNA Restriction Enzymes
Escherichia coli
In Vitro Techniques
Organism Cloning
Proteins

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Design, construction and in vitro testing of zinc finger nucleases. / Carroll, Dana; Morton, J. Jason; Beumer, Kelly J.; Segal, David.

In: Nature Protocols, Vol. 1, No. 3, 08.2006, p. 1329-1341.

Research output: Contribution to journalArticle

Carroll, Dana ; Morton, J. Jason ; Beumer, Kelly J. ; Segal, David. / Design, construction and in vitro testing of zinc finger nucleases. In: Nature Protocols. 2006 ; Vol. 1, No. 3. pp. 1329-1341.
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