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The recognition sites for Cre recombinase called LoxP...

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Updated: May 30, 2026

Site-Directed Mutagenesis for In Vitro and In Vivo Experiments Exemplified with RNA Interactions in Escherichia Coli
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Published on: February 5, 2019

An efficient approach for site-directed mutagenesis using central overlapping primers.

Huiping Wang1, Nan Zhou, Feng Ding

  • 1State Key Laboratory of Cellular Stress Biology and Department of Biomedical Sciences, School of Life Sciences, Xiamen University, Xiamen, Fujian 361005, China.

Analytical Biochemistry
|August 2, 2011
PubMed
Summary

This study introduces Central Overlapping Primers (COP), a novel primer design strategy for site-directed mutagenesis. COP significantly improves mutation efficiency, achieving high rates without specialized cells or extensive screening.

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Last Updated: May 30, 2026

Site-Directed Mutagenesis for In Vitro and In Vivo Experiments Exemplified with RNA Interactions in Escherichia Coli
07:04

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Published on: February 5, 2019

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07:11

Homemade Site Directed Mutagenesis of Whole Plasmids

Published on: May 11, 2009

Area of Science:

  • Molecular Biology
  • Biochemistry
  • Genetics

Background:

  • Site-directed mutagenesis is crucial for protein and nucleic acid studies.
  • Standard mutagenesis methods like QuikChange can suffer from low efficiency.
  • Optimizing mutation generation is essential for research advancement.

Purpose of the Study:

  • To develop a more efficient and robust method for site-directed mutagenesis.
  • To introduce a novel primer design strategy named Central Overlapping Primers (COP).
  • To overcome the limitations of existing mutagenesis protocols.

Main Methods:

  • A new primer design strategy, Central Overlapping Primers (COP), was developed.
  • COP utilizes a pair of bipartite primers with varying lengths.
  • The short primer is designed to be complementary to the central region of the long primer.

Main Results:

  • The COP method demonstrated high efficiency in generating desired mutations.
  • Approximately 90% mutation rate was achieved using the COP strategy.
  • The method eliminated the need for supercompetent Escherichia coli cells and laborious clone screening.

Conclusions:

  • Central Overlapping Primers (COP) offer an efficient and robust approach to site-directed mutagenesis.
  • This novel strategy simplifies the mutagenesis workflow and improves success rates.
  • COP is a valuable tool for structural and functional studies of proteins and nucleic acids.