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Related Experiment Videos

Gene transfer into the mouse germ-line

F Costantini, E Lacy

    Journal of Cellular Physiology. Supplement
    |January 1, 1982
    PubMed
    Summary

    Researchers successfully introduced a rabbit beta-globin gene into mice, creating genetically modified animals that can pass the foreign gene to their offspring. This breakthrough enables the development of permanent mouse strains for studying gene regulation.

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    Area of Science:

    • Genetics
    • Molecular Biology
    • Developmental Biology

    Background:

    • The study of gene regulation requires model organisms capable of inheriting foreign genetic material.
    • Transgenic animal models are crucial for understanding gene function and expression patterns.

    Purpose of the Study:

    • To introduce a cloned rabbit beta-globin gene into the mouse germline.
    • To establish permanent mouse strains carrying the introduced foreign gene for future research.

    Main Methods:

    • DNA microinjection of a cloned rabbit beta-globin gene into fertilized mouse eggs.
    • Southern blot hybridization to detect the presence of the rabbit gene in adult mice.
    • In situ hybridization to confirm chromosomal integration of the foreign DNA.

    Main Results:

    • The rabbit beta-globin gene was successfully integrated into the mouse germline in a significant fraction of offspring.
    • Multiple copies of the gene were found, often arranged in tandem arrays.
    • Chromosomal integration was confirmed, with the gene localized to a specific mouse chromosome.

    Conclusions:

    • This technique allows for the creation of transgenic mice carrying foreign genes.
    • These genetically modified mice serve as a valuable tool for investigating globin gene regulation and other genetic studies.

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