Applied Biochemistry and Biotechnology

, Volume 50, Issue 1, pp 45–56 | Cite as

Triglyceride hydrolysis and stability of a recombinant cutinase fromFusarium solani in AOT-iso-octane reversed micelles

  • E. P. Melo
  • M. R. Airesbarros
  • J. M. S. Cabral
Article
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Abstract

A recombinant cutinase fromFusarium solani was encapsulated in AOT reversed micelles. Physicochemical parameters of the system were optimized relative to triolein hydrolysis. Kinetic studies of triglyceride hydrolysis showed a decrease in specificity with increase of the acyl chain length. Stability of cutinase in the system under study is lower than in aqueous solution and decreases with increase in the water content in the system (W0 = [H2O]/[AOT]). The products of triolein hydrolysis had little effect on the cutinase stability. Although glycerol did not alter the stability, oleic acid decreases the enzyme stability. The increase in log P of solvent (fromiso-octane ton-dodecane) decreased the stability. Deactivation profiles were fitted with the Henley and Sadana model (1).

Index Entries

Recombinant cutinase reversed micelles triglyceride hydrolysis stability 
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Copyright information

© Humana Press Inc. 1995

Authors and Affiliations

  • E. P. Melo
    • 1
  • M. R. Airesbarros
    • 1
  • J. M. S. Cabral
    • 1
  1. 1.Laboratório de Engenharia BioquímicaInstitute Superior TécnicoLisbonPortugal

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