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Related Experiment Videos

Fishing for complements: finding genes by direct selection

M Lovett1

  • 1Department of Biochemistry, University of Texas Southwestern Medical Center at Dallas 75235-8591.

Trends in Genetics : TIG
|October 1, 1994
PubMed
Summary
This summary is machine-generated.

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Direct selection is a powerful cDNA enrichment technique for complex genomes. This method aids in gene mapping and identifying low-expression genes, accelerating genetic research.

Area of Science:

  • Genomics
  • Molecular Biology
  • Biotechnology

Background:

  • Mapping complex genomes and identifying all genes is challenging with current technologies.
  • Discovering genes, especially those expressed at low levels, requires sensitive methods.

Purpose of the Study:

  • To introduce and detail the direct selection technique for isolating cDNAs from large genomic regions.
  • To highlight the utility of direct selection in gene mapping and genetic disease research.

Main Methods:

  • Direct selection utilizes hybridization-based selection and polymerase chain reaction (PCR).
  • This technique enriches specific complementary DNAs (cDNAs) from complex genomic samples.

Main Results:

  • Achieves up to 100,000-fold enrichment of target cDNAs.

Related Experiment Videos

  • Enables simultaneous gene searches across multiple complex tissues.

    • Conclusions:

    • Direct selection is effective for positional cloning and identifying low-expression transcriptional units.
    • The technique broadly applies to cDNA cloning and isolating related genes from complex cDNA pools.