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A systematic, genome-wide, phenotype-driven mutagenesis programme for gene function studies in the mouse.

P M Nolan1, J Peters, M Strivens

  • 1MRC Mammalian Genetics Unit and Mouse Genome Centre, Harwell, UK.

Nature Genetics
|August 10, 2000
PubMed
Summary

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This summary is machine-generated.

This study used ethylnitrosourea (ENU) mutagenesis in mice to efficiently identify new gene functions. The large-scale, phenotype-driven screen generated over 500 novel mouse mutants for systematic genetic studies.

Area of Science:

  • Mammalian genetics
  • Genomics
  • Mutagenesis

Background:

  • The completion of the human genome project necessitates systematic methods for determining mammalian gene function.
  • Mouse mutagenesis is crucial for understanding gene roles in mammals.
  • Phenotype-driven approaches offer an unbiased strategy for discovering novel gene functions and pathways.

Purpose of the Study:

  • To conduct a genome-wide, phenotype-driven screen for dominant mutations in mice.
  • To establish an efficient method for generating and identifying novel mouse mutants.
  • To contribute to the systematic study of gene function in mammalian genetics.

Main Methods:

  • Utilized the chemical mutagen ethylnitrosourea (ENU) for mouse mutagenesis.
  • Performed a large-scale, genome-wide screen of over 26,000 mice.

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  • Focused on phenotype-driven identification of dominant mutations.

    • Main Results:

    • Generated and screened over 26,000 mice.
    • Recovered approximately 500 new mouse mutants.
    • Significantly expanded the available mouse mutant resource.

    Conclusions:

    • Phenotype-driven ENU mutagenesis is an effective strategy for identifying novel genes and pathways.
    • The study represents a significant advancement in creating a comprehensive mouse mutant resource.
    • This work is a foundational step towards systematic gene function studies in mammalian genetics.