Applied Microbiology and Biotechnology

, Volume 99, Issue 3, pp 1229–1236 | Cite as

Immobilised whole-cell recombinant monoamine oxidase biocatalysis

  • Petra Zajkoska
  • Michal Rosenberg
  • Rachel Heath
  • Kirk J. Malone
  • Radek Stloukal
  • Nicholas J. Turner
  • Martin RebrošEmail author
Biotechnologically relevant enzymes and proteins


This work demonstrates the first example of the immobilisation of MAO-N whole cells to produce a biocatalyst that remained suitable for repetitive use after 11 months of storage and stable up to 15 months after immobilisation. The production of Escherichia coli expressing recombinant MAO-N was scaled up to bioreactors under regulated, previously optimised conditions (10 % DO, pH 7), and the amount of biomass was almost doubled compared to flask cultivation. Subsequently, pilot immobilisation of the whole-cell biocatalyst using LentiKats® technology was performed. The amount of the immobilised biomass was optimised and the process was scaled up to a production level by immobilising 15 g of dry cell weight per litre of polyvinyl alcohol to produce 3 kg of whole-cell ready-to-use biocatalyst. The immobilised biocatalyst retained its initial activity over six consecutive biotransformations of the secondary amine model compound 3-azabicylo [3,3,0]octane, a building block of the hepatitis C drug telaprevir. Consecutive cultivation cycles in growth conditions not only increased the initial specific activity of biocatalyst produced on the industrial plant by more than 30 %, but also significantly increased the rate of the biotransformation compared to the non-propagated biocatalyst.


Immobilisation E. coli MAO-N Biotransformation Amine 



The research leading to these results has received funding from the European Union Seventh Framework Programme BIONEXGEN under grant agreement no. 266025. This work was co-funded by the Slovak Research and Development Agency under contract no. DO7RP-0042-11.

Supplementary material

253_2014_5983_MOESM1_ESM.pdf (189 kb)
ESM 1 (PDF 189 kb)


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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Petra Zajkoska
    • 1
  • Michal Rosenberg
    • 1
  • Rachel Heath
    • 2
  • Kirk J. Malone
    • 2
  • Radek Stloukal
    • 3
  • Nicholas J. Turner
    • 2
  • Martin Rebroš
    • 1
    Email author
  1. 1.Institute of Biotechnology and Food Science, Faculty of Chemical and Food TechnologySlovak University of TechnologyBratislavaSlovakia
  2. 2.School of Chemistry, Manchester Institute of BiotechnologyUniversity of ManchesterManchesterUK
  3. 3.LentiKats a.sPrague 6Czech Republic

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