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Related Experiment Videos

Using molecular techniques to identify new microbial biocatalysts

H Dalbøge1, L Lange

  • 1Novo Nordisk A/S, Bagsvaerd, Denmark.

Trends in Biotechnology
|July 4, 1998
PubMed
Summary
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Microorganisms evolve efficient enzymes for specific tasks. Advanced molecular techniques and new methods like direct screening and database mining accelerate enzyme discovery and improvement.

Area of Science:

  • Biochemistry and Molecular Biology
  • Enzyme Engineering
  • Microbial Biotechnology

Background:

  • Evolution favors microorganisms producing efficient, substrate-specific enzymes.
  • Molecular techniques have advanced enzyme gene cloning and property optimization.
  • Traditional methods face challenges in accessing microbial diversity.

Purpose of the Study:

  • To review and highlight modern approaches for enzyme discovery and engineering.
  • To emphasize advancements in cloning enzyme genes from microorganisms.
  • To introduce novel strategies for identifying and enhancing biocatalytic activities.

Main Methods:

  • Expression cloning
  • Molecular screening
  • Protein engineering (in vivo and in vitro shuffling)

Related Experiment Videos

  • Direct screening from uncultivated microorganisms
  • Bioinformatic database mining

    • Main Results:

    • Accelerated speed and accuracy in cloning enzyme genes.
    • Generation of enzyme variants with improved biocatalytic properties.
    • Expansion of enzyme discovery to uncultivated microbial resources.
    • Identification of novel enzyme candidates through database mining.

    Conclusions:

    • Modern molecular techniques significantly enhance enzyme discovery and engineering.
    • Novel approaches broaden the scope for identifying and optimizing microbial enzymes.
    • These advancements are crucial for biocatalysis and biotechnology applications.