Molecular and Cellular Biochemistry

, Volume 224, Issue 1–2, pp 159–168

Improving the quality of industrially important enzymes by directed evolution

  • Rajendra Rani Chirumamilla
  • Reddivari Muralidhar
  • Roger Marchant
  • Poonam Nigam
Article

Abstract

Directed evolution is a new process for developing industrially viable biocatalysts. This technique does not require a comprehensive knowledge of the relationships between sequence structure and function of proteins as required by protein engineering. It mimics the process of Darwinian evolution in a test tube combining random mutagenesis and recombination with screening or selection for enzyme variants that have the desired properties. Directed evolution helps in enhancing the enzyme performance both in natural and synthetic environments. This article reviews the process of directed evolution and its application to improve substrate specificity, activity, enantioselectivity and thermal stability.

directed evolution substrate specificity activity enantioselectivity thermal stability mutagenesis 

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Copyright information

© Kluwer Academic Publishers 2001

Authors and Affiliations

  • Rajendra Rani Chirumamilla
    • 1
  • Reddivari Muralidhar
    • 1
  • Roger Marchant
    • 1
  • Poonam Nigam
    • 1
  1. 1.Biotechnology Research GroupUniversity of Ulster at Coleraine, NIrelandUK

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