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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.
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.
Mouse Models of Cancer Study02:43

Mouse Models of Cancer Study

Mice have long served as models for studying human biology and pathology because of their phylogenetic and physiological similarity with humans. They are also easy to maintain and breed in the laboratory, and hence, many inbred strains are now available for research. Studies on mice have contributed immeasurably to our understanding of cancer biology.
The development of transgenic, knockout, and knock-in mice has led to an exponential increase in their use as model organisms in research,...
Mutations in Microorganisms01:18

Mutations in Microorganisms

Mutations are heritable changes in an organism’s genome involving alterations in the base sequence of DNA or RNA. These changes can influence cellular processes and phenotypic traits, potentially transforming the unaltered wild type into a mutant form. Such changes, termed forward mutations, are pivotal in shaping the genetic diversity of organisms.RNA viruses exhibit the highest mutation rates due to the absence of robust proofreading mechanisms during genome replication. In contrast,...

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Transgenic Rodent Assay for Quantifying Male Germ Cell Mutant Frequency
14:45

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Published on: August 6, 2014

ENU mutagenesis in mice.

Philippe Georgel1, Xin Du, Kasper Hoebe

  • 1Laboratoire d'Immunogénétique Moléculaire Humaine, Centre de Recherche en Immunologie et Hématologie, Faculté de Médecine, Strasbourg Cedex, France.

Methods in Molecular Biology (Clifton, N.J.)
|March 29, 2008
PubMed
Summary
This summary is machine-generated.

Forward genetics using random germline mutagenesis in mice is an efficient method to discover gene functions. This chapter provides guidelines for this technique, focusing on identifying genes critical for innate immune defense.

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Last Updated: Jul 6, 2026

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Area of Science:

  • Genetics and Genomics
  • Immunology
  • Molecular Biology

Background:

  • Forward genetics has historically driven significant biological discoveries.
  • The near-complete sequencing of the mouse genome enhances the utility of mutagenesis screens.
  • Identifying the function of novel genes is crucial for advancing biological understanding.

Purpose of the Study:

  • To provide a practical guide for performing germline mutagenesis in mice.
  • To highlight the application of germline mutagenesis for gene discovery.
  • To focus on identifying genes essential for innate immune defense.

Main Methods:

  • Random germline mutagenesis in mice.
  • Phenotypic analysis to identify gene function.
  • Application of mutagenesis for innate immunity gene discovery.

Main Results:

  • Germline mutagenesis is an efficient strategy for discovering gene function.
  • This approach is particularly effective for identifying genes involved in essential biological processes.
  • Specific genes crucial for innate immune defense can be identified.

Conclusions:

  • Germline mutagenesis in mice is a powerful tool for functional genomics.
  • This method facilitates the identification of genes critical for innate immunity.
  • The guidelines presented will aid researchers in applying this technique for gene discovery.