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Related Experiment Videos

Suppression subtractive hybridization.

Denis V Rebrikov1, Sejal M Desai, Paul D Siebert

  • 1Evrogen JSC and Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.

Methods in Molecular Biology (Clifton, N.J.)
|February 19, 2004
PubMed
Summary

Suppression subtractive hybridization (SSH) is a powerful technique for identifying rare DNA sequences. This method combines normalization and subtraction to efficiently isolate differentially expressed genes or genomic DNA fragments.

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Area of Science:

  • Molecular Biology
  • Genomics

Background:

  • Suppression subtractive hybridization (SSH) is a key technique for comparing DNA samples.
  • SSH is widely applied in both cDNA and genomic DNA subtraction for library generation.

Purpose of the Study:

  • To detail the mechanism and applications of SSH.
  • To highlight its efficiency in enriching rare DNA sequences.

Main Methods:

  • SSH utilizes suppression PCR for normalization and subtraction in a single procedure.
  • Normalization equalizes DNA fragment abundance, while subtraction removes common sequences.

Main Results:

  • SSH significantly increases the likelihood of identifying low-abundance, differentially expressed sequences.
  • The technique has demonstrated over 1000-fold enrichment of rare sequences in a single round.

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Conclusions:

  • SSH is an effective and efficient method for generating subtracted DNA libraries.
  • It simplifies the analysis of differentially expressed sequences in complex biological samples.