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Related Experiment Videos

An efficient technique for obtaining sequences flanking inserted retroviruses.

C S Huckaby1, R E Kouri, M J Lane

  • 1Genmap Inc., New Haven, CT 06511.

Genetic Analysis, Techniques and Applications
|August 1, 1991
PubMed
Summary
This summary is machine-generated.

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Researchers developed a method to amplify DNA sequences near retroviral insertions for genomic mapping. This technique successfully distinguished between mouse and human DNA in hybrid cells, aiding chromosome mapping.

Area of Science:

  • Genomics
  • Molecular Biology
  • Retroviral Gene Transfer

Background:

  • Retrovirus-mediated gene transfer is crucial for genomic mapping, utilizing dominant selectable markers.
  • DNA probes adjacent to proviral insertions are essential tools for chromosome mapping.
  • Moloney murine leukemia virus (MoMuLV)-based vectors are commonly used in these studies.

Purpose of the Study:

  • To develop a strategy for amplifying chromosomal sequences flanking the 5' Long Terminal Repeat (LTR) of MoMuLV-based vectors.
  • To create valuable DNA probes for precise genomic localization of retroviral insertions.
  • To differentiate proviral origins in interspecies hybrid cells.

Main Methods:

  • Implementation of a strategy for amplification of chromosomal sequences adjacent to the 5' LTR of MoMuLV vectors.

Related Experiment Videos

  • Generation of DNA probes from these amplified flanking sequences.
  • Application of probes in retrovirus-infected mouse-human chromosome 17q hybrid cells.

    • Main Results:

    • The amplification strategy successfully generated probes from sequences flanking the 5' LTR.
    • These derived probes effectively differentiated murine versus human proviral localization.
    • Successful application in mouse-human chromosome 17q hybrid cells confirmed the method's utility.

    Conclusions:

    • The developed strategy provides a valuable tool for genomic mapping using retroviral vectors.
    • Amplification of flanking sequences enables precise localization of proviruses.
    • This method is effective for distinguishing species-specific integration in hybrid cell systems.