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In vitro Mutagenesis01:16

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The Sequence Saturation Mutagenesis (SeSaM) method.

Anna Joëlle Ruff1, Tsvetan Kardashliev, Alexander Dennig

  • 1Lehrstuhl für Biotechnologie, RWTH Aachen University, Worringerweg 3, Aachen, 52074, Germany.

Methods in Molecular Biology (Clifton, N.J.)
|July 25, 2014
PubMed
Summary
This summary is machine-generated.

Sequence Saturation Mutagenesis (SeSaM) offers an improved random mutagenesis method over error-prone PCR (epPCR). SeSaM generates diverse mutant libraries by minimizing hot spots and controlling mutational bias.

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Area of Science:

  • Molecular Biology
  • Biotechnology
  • Protein Engineering

Background:

  • Existing error-prone PCR (epPCR) methods for random mutagenesis have limitations.
  • These limitations include mutagenic
  • hot spots
  • and uncontrolled mutational bias.

Purpose of the Study:

  • Introduce Sequence Saturation Mutagenesis (SeSaM) as an advanced random mutagenesis technique.
  • Highlight SeSaM's advantages over traditional epPCR protocols.

Main Methods:

  • SeSaM utilizes universal base analogs for controlled mutagenesis.
  • This method aims to eliminate mutagenic hot spots and increase nucleotide substitutions.

Main Results:

  • SeSaM facilitates the generation of transversion-enriched mutant libraries.
  • This leads to chemically diverse mutant libraries at the protein level.

Conclusions:

  • SeSaM overcomes key limitations of existing epPCR methods.
  • It serves as a complementary technology to transition-biased epPCR for generating diverse mutant libraries.