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Related Experiment Videos

Solid phase DNA sequencing using the biotin-avidin system.

S Ståhl1, T Hultman, A Olsson

  • 1Department of Biochemistry, Royal Institute of Technology, Stockholm, Sweden.

Nucleic Acids Research
|April 11, 1988
PubMed
Summary
This summary is machine-generated.

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A new solid-phase DNA sequencing method immobilizes plasmids on avidin agarose. This technique enables efficient DNA sequencing reactions using a single immobilized template for multiple analyses.

Area of Science:

  • Molecular Biology
  • Biochemistry
  • Genetics

Background:

  • Solid-phase DNA sequencing offers advantages over traditional solution-phase methods.
  • Efficient immobilization of DNA templates is crucial for robust solid-phase sequencing.
  • Existing methods may lack versatility or require complex manipulations.

Purpose of the Study:

  • To develop a novel solid-phase DNA sequencing method.
  • To enable directional immobilization of double-stranded plasmid DNA onto avidin agarose.
  • To facilitate efficient and repeatable sequencing reactions from a single immobilized template.

Main Methods:

  • A novel plasmid vector, pRIT27, was designed for directional immobilization.
  • Enzymatic incorporation of biotinylated dUTP (bio-dUTP) into the plasmid.

Related Experiment Videos

  • Strand-specific elution using alkali to obtain single-stranded DNA templates.
  • Immobilized single-stranded DNA was used as a template for dideoxynucleotide sequencing reactions.

    • Main Results:

    • Directional immobilization of double-stranded plasmid DNA onto avidin agarose was achieved.
    • Single-stranded DNA templates were successfully generated and immobilized.
    • The affinity gel allowed consecutive sequencing reactions using the same immobilized template.
    • The method demonstrated potential for both primer-specific and extension-specific labeling.

    Conclusions:

    • The described solid-phase DNA sequencing method provides an efficient approach for template immobilization and sequencing.
    • The technique is versatile and can be adapted for automated DNA sequencing platforms.
    • This method simplifies the sequencing workflow by enabling multiple reactions from a single immobilized template.