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Related Experiment Video

Updated: Jul 18, 2025

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

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

Published on: February 5, 2019

Inverse PCR for Site-Directed Mutagenesis.

Diogo Silva¹, Gustavo Santos², Mário Barroca²

¹Instituto de Tecnologia Química e Biológica António Xavier (ITQB), Universidade NOVA de Lisboa, Oeiras, Portugal.

Methods in Molecular Biology (Clifton, N.J.)

|August 22, 2023

Summary

Inverse PCR enables precise DNA mutation introduction using custom primers. This method facilitates genetic engineering by amplifying and modifying circular DNA, crucial for biological and biotechnological research.

Keywords:

Inverse PCR Nonoverlapping primers Protein engineering Site-directed mutagenesis

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Last Updated: Jul 18, 2025

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

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Homemade Site Directed Mutagenesis of Whole Plasmids

Homemade Site Directed Mutagenesis of Whole Plasmids

Published on: May 11, 2009

Area of Science:

Molecular Biology
Biotechnology
Genetic Engineering

Background:

Circular double-stranded DNA sequences are fundamental in molecular biology.
Site-directed mutagenesis is essential for studying gene function and protein engineering.
Existing methods for DNA modification can be complex and time-consuming.

Purpose of the Study:

To describe a simplified inverse PCR method for introducing specific mutations into circular DNA.
To detail the use of nonoverlapping primers for point mutation introduction.
To highlight the utility of inverse PCR in DNA, RNA, and protein research.

Main Methods:

Utilizing custom-designed mutant primers in an inverse orientation for PCR amplification.
Employing nonoverlapping primers, with one primer containing the desired mutation.
Post-PCR processing including DpnI digestion, polynucleotide kinase treatment, and ligation for recircularization.

Main Results:

Successful amplification of a linear, double-stranded, mutated DNA product.
Efficient removal of methylated template DNA using DpnI digestion.
Recircularization of the mutated product for transformation into E. coli.

Conclusions:

Inverse PCR offers a rapid and effective approach for site-directed mutagenesis.
This technique is versatile, allowing for point mutations, insertions, and deletions.
The described method is valuable for diverse applications in biology and biotechnology.