Overview of Experimental Strategies on the Detection and Isolation of Recombinant Proteins and Their Applications

  • Rocky S. Tuan
Part of the Methods in Molecular Biology™ book series (MIMB, volume 63)


Recent advances in recombinant DNA technology have permitted the direct cloning of DNA fragments (either derived from naturally occurring or artificially designed gene sequences) into various cloning vectors including bacteriophages, plasmids, and viruses. Such recombinant constructs represent the basic reagents of molecular biology. A major application utilizing cloned DNA sequences is the expression of the cloned DNA into a protein product, i.e., the expression of recombinant genes. Because the cloned DNA sequences may be modified or altered, recombinant expression technology thus enables the investigator to “custom-design” the final protein product. Furthermore, most expression vectors are designed to allow the linking of various “tags” to the expressed recombinant protein to facilitate subsequent detection and isolation. This chapter provides a brief overview of the technologies currently employed in “tagging” expressed recombinant proteins and the corresponding detection and isolation methodologies, as well as some of the applications utilizing recombinant gene products.


Green Fluorescent Protein Recombinant Gene Recombinant Gene Expression Final Protein Product Yeast Transcriptional Activator 
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Copyright information

© Humana Press Inc., Totowa, NJ 1997

Authors and Affiliations

  • Rocky S. Tuan
    • 1
    • 2
  1. 1.Department of Orthopaedic SurgeryThomas Jefferson UniversityPhiladelphia
  2. 2.Department of Biochemistry and Molecular PharmacologyThomas Jefferson UniversityPhiladelphia

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