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Related Concept Videos

In vitro Mutagenesis01:16

In vitro Mutagenesis

To learn more about the function of a gene, researchers can observe what happens when the gene is inactivated or “knocked out,” by creating genetically engineered knockout animals. Knockout mice have been particularly useful as models for human diseases such as cancer, Parkinson’s disease, and diabetes.

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Related Experiment Video

Updated: May 23, 2026

Generating Genetically Modified Plasmodium berghei Sporozoites
10:16

Generating Genetically Modified Plasmodium berghei Sporozoites

Published on: May 5, 2023

Improved Plasmodium berghei lines for conditional mutagenesis.

Dhruv Panchal1, Kavitha Govindasamy, Arti Rana

  • 1Department of Microbiology and Molecular Genetics, University of Medicine and Dentistry of New Jersey - New Jersey Medical School, Newark 07103, USA.

Molecular and Biochemical Parasitology
|March 28, 2012
PubMed
Summary
This summary is machine-generated.

Improved Plasmodium berghei lines enable stable, stage-specific gene knockout for genetic analysis. This overcomes limitations of previous parasite lines, enhancing research into parasite development.

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CRISPR/Cas9 Gene Editing to Make Conditional Mutants of Human Malaria Parasite P. falciparum

Published on: September 18, 2018

Area of Science:

  • Malariology
  • Molecular Parasitology
  • Genetics

Background:

  • Conditional mutagenesis is vital for studying Plasmodium berghei gene function.
  • Existing methods in the NK65 strain show unstable recombinase integration, causing inconsistent gene knockout.
  • This instability hinders reliable genetic analysis of parasite development.

Purpose of the Study:

  • To develop improved Plasmodium berghei parasite lines for stable and efficient conditional mutagenesis.
  • To enable stage-specific gene excision in the widely used ANKA strain.
  • To overcome the limitations of existing recombinase-expressing lines.

Main Methods:

  • Construction of new P. berghei lines with stably integrated DNA recombinase.
  • Utilizing pre-erythrocytic stage-specific promoters for recombinase expression.
  • Validation of efficient and stage-specific target gene excision in the ANKA strain.

Main Results:

  • Successfully generated P. berghei lines with stable DNA recombinase integration.
  • Demonstrated efficient and stage-specific gene excision in the ANKA strain.
  • Overcame the instability issues associated with previous NK65-based lines.

Conclusions:

  • The new P. berghei lines provide a reliable tool for conditional mutagenesis.
  • These improved lines facilitate robust genetic studies of parasite development stages.
  • This advancement supports further research into malaria parasite biology and control.