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PROfusion: genetically tagged proteins for functional proteomics and beyond.

B L Kreider1

  • 1Phylos, Inc., 128 Spring Street, Lexington, MA 02421, USA.

Medicinal Research Reviews
|May 8, 2000
PubMed
Summary

Phylos, Inc. developed PROfusion technology, linking proteins to their mRNA for large-scale functional genomics. This enables the selection of proteins with desired functions from massive synthetic and natural libraries.

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Area of Science:

  • Functional genomics
  • Molecular biology
  • Biotechnology

Background:

  • Protein function discovery is crucial for understanding biological processes.
  • Existing methods for library construction have limitations in scale and efficiency.
  • A need exists for novel technologies to create and screen large protein libraries.

Purpose of the Study:

  • To introduce and describe the PROfusion technology for protein-mRNA tagging.
  • To demonstrate the construction of large synthetic and natural protein libraries using this technology.
  • To highlight the utility of PROfusion technology for selecting proteins based on function.

Main Methods:

  • Development of PROfusion technology for covalent protein-mRNA tagging.
  • Construction of synthetic and natural protein libraries in vitro.

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  • Selection of proteins with specific functions from large libraries.
  • Utilizing linked mRNA for PCR amplification and identification.

    • Main Results:

    • PROfusion technology enables direct linkage of proteins to their genetic information (mRNA).
    • Creation of exceptionally large libraries, up to 10^14 molecules.
    • Demonstrated capability to select proteins based on desired functions.
    • Facilitated subsequent PCR amplification and identification of selected proteins.

    Conclusions:

    • PROfusion technology is a powerful new tool for functional genomics.
    • The ability to construct massive libraries significantly advances protein discovery.
    • This technology streamlines the process of identifying functional proteins for various applications.