Tools of Recombinant DNA Technology

  • Dennis W. Ross


Restriction endonucleases, also called restriction enzymes, are bacterial proteins that cut the long, linear DNA molecule into fragments. Restriction enzymes are a major tool of recombinant DNA technology. A restriction enzyme recognizes a specific nucleotide sequence, such as AGCT, and cuts DNA wherever that combination of “letters” occurs. These enzymes are isolated from bacteria and named with a three- or four-letter sequence followed by a roman numeral. For example, EcoRI is a restriction enzyme isolated from Escherichia coli.


Southern Blot Transgenic Animal Foreign Gene Slot Blot Radioactive Probe 
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Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • Dennis W. Ross
    • 1
    • 2
  1. 1.The School of Medicine, Department of PathologyThe University of North Carolina at Chapel HillChapel HillUSA
  2. 2.Department of PathologyForsyth Memorial HospitalWinston-SalemUSA

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