Directed PCR-free engineering of highly repetitive DNA sequences
2011

PCR-Free Cloning of Repetitive DNA Sequences

publication Evidence: moderate

Author Information

Author(s): Annika Scior, Steffen Preissler, Miriam Koch, Elke Deuerling

Primary Institution: University of Konstanz

Hypothesis

Can a PCR-free method be developed for the efficient generation of highly repetitive DNA sequences?

Conclusion

The study presents a PCR-free cloning strategy that allows for the efficient generation of highly repetitive DNA sequences of defined lengths.

Supporting Evidence

  • The method allows for the cloning of defined stretches of Poly-Q encoding sequences.
  • It can also generate polyadenine sequences for in vitro transcription of mRNA.
  • The approach is straightforward and can be completed in a short time frame.

Takeaway

The researchers found a way to clone long repetitive DNA sequences without using PCR, making the process easier and more accurate.

Methodology

The study used antiparallel oligonucleotides flanked by Type IIS endonucleases for seamless elongation of repetitive DNA sequences.

Limitations

The method may not be suitable for all types of repetitive sequences and relies on specific enzyme availability.

Digital Object Identifier (DOI)

10.1186/1472-6750-11-87

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