DNA shuffling of subgenomic sequences of subtilisin

  • Ness J
  • Welch M
  • Giver L
 et al. 
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Abstract

DNA family shuffling of 26 protease genes was used to create a library of chimeric proteases that was screened for four distinct enzymatic properties. Multiple clones were identified that were significantly improved over any of the parental enzymes for each individual property. Family shuffling, also known as molecular breeding, efficiently created all of the combinations of parental properties, producing a great diversity of property combinations in the progeny enzymes. Thus, molecular breeding, like classical breeding, is a powerful tool for recombining existing diversity to tailor biological systems for multiple functional parameters.

Author-supplied keywords

  • DNA shuffling
  • Directed evolution
  • Molecular breeding
  • Savinase
  • Subtilisin

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Authors

  • Jon E. Ness

  • Mark Welch

  • Manuel Bueno

  • Joel R. Cherry

  • Torben V. Borchert

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